首页 > 最新文献

Journal of the Indonesian Tropical Animal Agriculture最新文献

英文 中文
The genetic diversity of heat shock protein 70 gene at promoter and 5' untranslated region in beef cattle 肉牛热休克蛋白70基因启动子和5'非翻译区的遗传多样性
IF 0.3 Q3 Veterinary Pub Date : 2021-06-06 DOI: 10.14710/JITAA.46.2.136-144
I. Suhendro, J. Jakaria, R. R. Noor
This study was aimed to identify genetic diversity in the promoter area and 5' UTR (untranslated region) HSP70 (heat shock protein 70) gene in several beef cattle in Indonesia. A total of 86 blood samples of Bali, Madura, PO (Peranakan Ongole), Limousine, and BB (Belgian Blue) cattle were used in this study. The extracted DNA of all blood samples was then analyzed using the direct sequencing method. The genotyping results showed the presence of five SNP (Single Nucleotide Polymorphism) in the promoter region, namely g.-393T>C, g.-343C>A, g.-202T>C and g.-69T>G and three SNPs at 5' UTR, i.e., g.19A>G, g.45C>T, and g.100_101ins30. The frequency of SNP alleles found in PO, Limousine, and BB cattle was in equilibrium, whereas in Bali and Madura cattle populations, the allele frequency was disequilibrium. In general, the level of diversity of observed alleles ranged from low to high (0.26-1.00), where SNP g.19A>G had the widest variety. It was successfully revealed in this analysis that the SNP g.-69T>G binds to both the NF-Y and CAAT box transcription factor. In addition, the 30 bp (base pair) insertions (g.100_101ins30) that were identified in Bali and Madura cattle have never been reported in previous research studies.
本研究旨在鉴定印度尼西亚几头肉牛启动子区和5’UTR(非翻译区)HSP70(热休克蛋白70)基因的遗传多样性。本研究共使用了86份巴厘岛、马杜拉、PO(Peranakan Ongole)、Limousine和BB(比利时蓝)牛的血液样本。然后使用直接测序方法分析所有血液样本的提取DNA。基因分型结果显示启动子区存在5个SNP(单核苷酸多态性),即g.-393T>C、g.-343C>A、g.-202T>C和g.-69T>g,以及5'UTR的3个SNP,即g.19A>g、g.45C>T和g.100_101ins30。在PO、Limousine和BB牛中发现的SNP等位基因频率处于平衡状态,而在Bali和Madura牛群体中,等位基因的频率不平衡。总的来说,观察到的等位基因的多样性水平从低到高(0.26-1.00)不等,其中SNP g.19A>g的多样性最广。该分析成功地揭示了SNP g.-69T>g与NF-Y和CAAT盒转录因子结合。此外,在巴厘岛和马杜拉牛中发现的30bp(碱基对)插入(g.100_101ins30)在以前的研究中从未报道过。
{"title":"The genetic diversity of heat shock protein 70 gene at promoter and 5' untranslated region in beef cattle","authors":"I. Suhendro, J. Jakaria, R. R. Noor","doi":"10.14710/JITAA.46.2.136-144","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.136-144","url":null,"abstract":"This study was aimed to identify genetic diversity in the promoter area and 5' UTR (untranslated region) HSP70 (heat shock protein 70) gene in several beef cattle in Indonesia. A total of 86 blood samples of Bali, Madura, PO (Peranakan Ongole), Limousine, and BB (Belgian Blue) cattle were used in this study. The extracted DNA of all blood samples was then analyzed using the direct sequencing method. The genotyping results showed the presence of five SNP (Single Nucleotide Polymorphism) in the promoter region, namely g.-393T>C, g.-343C>A, g.-202T>C and g.-69T>G and three SNPs at 5' UTR, i.e., g.19A>G, g.45C>T, and g.100_101ins30. The frequency of SNP alleles found in PO, Limousine, and BB cattle was in equilibrium, whereas in Bali and Madura cattle populations, the allele frequency was disequilibrium. In general, the level of diversity of observed alleles ranged from low to high (0.26-1.00), where SNP g.19A>G had the widest variety. It was successfully revealed in this analysis that the SNP g.-69T>G binds to both the NF-Y and CAAT box transcription factor. In addition, the 30 bp (base pair) insertions (g.100_101ins30) that were identified in Bali and Madura cattle have never been reported in previous research studies.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"136-144"},"PeriodicalIF":0.3,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44244507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Comparison of the favorable gain values of genetic improvement among Indonesian grade cow breeds selected for agrotechnopark intensification 农业科技园集约化选用印尼级奶牛品种遗传改良有利增益值的比较
IF 0.3 Q3 Veterinary Pub Date : 2021-06-06 DOI: 10.14710/JITAA.46.2.106-113
Umar Paputungan, M. Hendrik, Surtijono Edmundus Siswosubroto
This research was aimed to compare the small and big truncation point proportions intended to evaluate gain values of genetic improvement for Indonesian Local cow breed groups selected for Agrotechnopark (integrated bio-cycle farming system) intensification. Animal live weights were collected from 674 Indonesian grade breed cows kept by local household farmers in North Sulawesi province. Data of cows were corrected by adjusting to six years old ages. All cows were divided into three breed groups with different genetic compositions of Bali breed cow generation (BG) of 207 cows, Ongole grade cow generation (OG) of 189 cows, and Local grade cow generation (LG) of 178 cows. The genetic improvements of BG, OG and LG were analyzed involving selection intensity (i), accuracy of selection (r), and standard deviation (SD) of breed group traits under selection. Results of this study showed that the critical components was genetic development of local grade breeds by choosing small proportion of 10% truncation point for Agrotechnopark intensification of selected elite cows groups among BG, OG and LG populations with the positive live weight gains of 58.6 kg, 23.15 kg, and 28.62 kg per generation, respectively compared with larger percentages of 20% and 30% proportions of truncation Agrotechnopark is integrated bio-cycle farming system (Paputungan et al.) 106
本研究旨在比较小截断点和大截断点比例,以评估选择用于Agrotecopark(综合生物循环农业系统)集约化的印尼当地奶牛品种群的遗传改良增益值。从北苏拉威西省当地家庭农场主饲养的674头印尼级奶牛身上采集了动物活体重量。奶牛的数据通过调整到6岁年龄进行了校正。将所有奶牛分为三个具有不同遗传组成的品种组,即207头奶牛的巴厘品种奶牛代(BG)、189头奶牛的翁戈勒级奶牛代(OG)和178头奶牛的地方级奶牛代。对BG、OG和LG的遗传改良进行了分析,包括选择强度(i)、选择准确度(r)和选择下品种群性状的标准差(SD)。本研究结果表明,关键组成部分是地方级品种的遗传发育,在BG、OG和LG群体中选择10%的小比例截断点对选定的精英奶牛群进行农业技术园强化,每代活重分别增加58.6公斤、23.15公斤和28.62公斤,与20%和30%的截断比例相比,Agrotechpark是综合生物循环农业系统(Paputungan等人)106
{"title":"Comparison of the favorable gain values of genetic improvement among Indonesian grade cow breeds selected for agrotechnopark intensification","authors":"Umar Paputungan, M. Hendrik, Surtijono Edmundus Siswosubroto","doi":"10.14710/JITAA.46.2.106-113","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.106-113","url":null,"abstract":"This research was aimed to compare the small and big truncation point proportions intended to evaluate gain values of genetic improvement for Indonesian Local cow breed groups selected for Agrotechnopark (integrated bio-cycle farming system) intensification. Animal live weights were collected from 674 Indonesian grade breed cows kept by local household farmers in North Sulawesi province. Data of cows were corrected by adjusting to six years old ages. All cows were divided into three breed groups with different genetic compositions of Bali breed cow generation (BG) of 207 cows, Ongole grade cow generation (OG) of 189 cows, and Local grade cow generation (LG) of 178 cows. The genetic improvements of BG, OG and LG were analyzed involving selection intensity (i), accuracy of selection (r), and standard deviation (SD) of breed group traits under selection. Results of this study showed that the critical components was genetic development of local grade breeds by choosing small proportion of 10% truncation point for Agrotechnopark intensification of selected elite cows groups among BG, OG and LG populations with the positive live weight gains of 58.6 kg, 23.15 kg, and 28.62 kg per generation, respectively compared with larger percentages of 20% and 30% proportions of truncation Agrotechnopark is integrated bio-cycle farming system (Paputungan et al.) 106","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"106-113"},"PeriodicalIF":0.3,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47736973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
mtDNA D-loop sequence analysis of Kalang, Krayan, and Thale Noi buffaloes (Bubalus bubalis) in Indonesia and Thailand reveal genetic diversity 印度尼西亚和泰国的Kalang、Krayan和Thale Noi水牛(Bubalus bubalis)的mtDNA d -环序列分析揭示了遗传多样性
IF 0.3 Q3 Veterinary Pub Date : 2021-06-06 DOI: 10.14710/JITAA.46.2.93-105
S. Suhardi, P. Summpunn, S. Wuthisuthimethavee
Kalang (KBuf), Krayan (KrBuf), and Thale Noi buffaloes (TBuf) are swamp buffalo genetic resources in Indonesia and Thailand. The maternally inherited mitochondrial DNA (mtDNA),
Kalang (KBuf)、Krayan (KBuf)和Thale Noi水牛(TBuf)是印度尼西亚和泰国的沼泽水牛遗传资源。母体遗传的线粒体DNA (mtDNA),
{"title":"mtDNA D-loop sequence analysis of Kalang, Krayan, and Thale Noi buffaloes (Bubalus bubalis) in Indonesia and Thailand reveal genetic diversity","authors":"S. Suhardi, P. Summpunn, S. Wuthisuthimethavee","doi":"10.14710/JITAA.46.2.93-105","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.93-105","url":null,"abstract":"Kalang (KBuf), Krayan (KrBuf), and Thale Noi buffaloes (TBuf) are swamp buffalo genetic resources in Indonesia and Thailand. The maternally inherited mitochondrial DNA (mtDNA),","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"93-105"},"PeriodicalIF":0.3,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47459807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The interaction of intestinal bacteria and feed: a case study of intensive-duck husbandry in Central Java 肠道细菌与饲料的相互作用——以中爪哇集约化养鸭为例
IF 0.3 Q3 Veterinary Pub Date : 2021-06-06 DOI: 10.14710/JITAA.46.2.154-165
R. Susanti, M. Dafip, W. Christijanti, A. Yuniastuti
This study was aimed to compare sugars and amino acid content in duck’s feed and the intestinal bacteria's effects to improve ducks' quality. This research was an observational exploration involving five duck husbandries from Semarang, Temanggung, Magelang, Pati, and Salatiga District, Central Java. A total of 5 g of intestinal contents were collected from each of the five ducks randomly selected from each husbandry. The feed and intestinal contents were then analyzed using high-performance liquid chromatography (HPLC). The highest amino acid types were glutamate, aspartate, lysine, valine, and isoleucine, while the lowest was asparagine found in all sample farms. Intestinal contents freshly extracted then placed in dark bottles sterile for microbiome analysis with primers 6S rRNA V3-V4 genome identification. The concentration of glucose, fructose, and galactose in the intestine has increased significantly caused by digested polysaccharides. The composition of bacteria plays a vital role in digesting polysaccharides, makes them quickly absorbed by duck’s intestine cells. The abundance of bacteria in all sample locations was dominated by the phylum Firmicutes, especially Lactobacilalles, Bacilalles, and Clostridialles. Over feeding may not effective in sugar and essential amino acid absorption, however, it may play an essential role in the diversity of gut bacteria to produce necessary component for duck’s physiology.
本试验旨在比较鸭饲料中糖和氨基酸含量以及肠道菌群对鸭品质的改善作用。这项研究是一项观察性探索,涉及来自中爪哇三宝垄、Temanggung、Magelang、patti和Salatiga区的五个养鸭场。从每个饲养区随机选取5只野鸭,每只取5 g肠道内容物。采用高效液相色谱法对饲料和肠道内容物进行分析。所有样品农场的氨基酸类型最高的是谷氨酸、天冬氨酸、赖氨酸、缬氨酸和异亮氨酸,最低的是天冬酰胺。新鲜提取的肠道内容物置于无菌的深色瓶中,用引物6S rRNA V3-V4基因组鉴定进行微生物组分析。肠道内葡萄糖、果糖和半乳糖的浓度因消化多糖而显著增加。细菌的组成对多糖的消化起着至关重要的作用,使其迅速被鸭肠细胞吸收。所有样品位置的细菌丰度以厚壁菌门为主,尤其是乳杆菌门、芽孢杆菌门和梭菌门。过度喂养可能不利于糖和必需氨基酸的吸收,但它可能在肠道细菌的多样性中发挥重要作用,以产生鸭生理所需的必要成分。
{"title":"The interaction of intestinal bacteria and feed: a case study of intensive-duck husbandry in Central Java","authors":"R. Susanti, M. Dafip, W. Christijanti, A. Yuniastuti","doi":"10.14710/JITAA.46.2.154-165","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.154-165","url":null,"abstract":"This study was aimed to compare sugars and amino acid content in duck’s feed and the intestinal bacteria's effects to improve ducks' quality. This research was an observational exploration involving five duck husbandries from Semarang, Temanggung, Magelang, Pati, and Salatiga District, Central Java. A total of 5 g of intestinal contents were collected from each of the five ducks randomly selected from each husbandry. The feed and intestinal contents were then analyzed using high-performance liquid chromatography (HPLC). The highest amino acid types were glutamate, aspartate, lysine, valine, and isoleucine, while the lowest was asparagine found in all sample farms. Intestinal contents freshly extracted then placed in dark bottles sterile for microbiome analysis with primers 6S rRNA V3-V4 genome identification. The concentration of glucose, fructose, and galactose in the intestine has increased significantly caused by digested polysaccharides. The composition of bacteria plays a vital role in digesting polysaccharides, makes them quickly absorbed by duck’s intestine cells. The abundance of bacteria in all sample locations was dominated by the phylum Firmicutes, especially Lactobacilalles, Bacilalles, and Clostridialles. Over feeding may not effective in sugar and essential amino acid absorption, however, it may play an essential role in the diversity of gut bacteria to produce necessary component for duck’s physiology.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"154-165"},"PeriodicalIF":0.3,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42727431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The growth and production of antimicrobial compounds from Lactobacillus plantarum IIA-1A5 on cheese whey medium 植物乳杆菌IIA-1A5在奶酪乳清培养基上的生长和抗菌化合物的产生
IF 0.3 Q3 Veterinary Pub Date : 2021-06-06 DOI: 10.14710/JITAA.46.2.173-184
A. Mutmainna, I. I. Arief, C. Budiman
Plantaricin IIA-1A5 is a bacteriocin produced by Lactobacillus plantarum IIA-1A5 which is isolated from Indonesian beef, and it inhibits activity of Gram negative and positive pathogenic bacteria. However, preparation of the antibacterial agent for further applications or studies is costly due to the usage of a bacterial medium. Therefore, this study was aimed to investigate the feasibility of cheese whey as a growth medium for production of the bacteriocin. The growth curve of Lactobacillus plantarum IIA-1A5 in producing antimicrobial compounds was found to occur in the logarithmic phase with an incubation time of 28 and 32 hours. Purification of plantaricin IIA-1A5 produced peptides with a molecular weight of 9.59 kDa consisting of whey and whey+ (20g/L sucrose, 12.5 g/L tryptone and 7.5 g/L yeast extract); thus, the peptide was grouped as class IIa (<10 kDa) bacteriocin. The protein concentration of plantaricin IIA-1A5 with whey+ (sucrose, tryptone, and yeast extract) treatment and Cheese whey could act as media for bacteriocin production (Mutmainna et al.) 173 whey treatment was 1883.17 mg/ml and lower than 325.58 mg/ml, respectively. Based on the antimicrobial activity test using a paper disc method, plantaricin IIA-1A5 demonstrated antimicrobial activity against Staphylococcus aureus ATCC 25923; the whey and whey+ treatment yielded 38.02 IU/dL and 321 IU/dL, respectively, while antimicrobial activity against Escherichia coli ATCC 25922 using whey and whey+ treatment yielded 44.85 IU/dL and 172.08 IU/dL, respectively. The effectiveness of the antimicrobial properties of plantaricin IIA-1A5 in the whey medium is proven through the results of this study. In short, the whey is appropriate growth medium for bacteriocin production.
Plantaricin IIA-1A5是从印度尼西亚牛肉中分离出来的植物乳杆菌IIA-1A5产生的细菌素,它能抑制革兰氏阴性和阳性致病菌的活性。然而,制备用于进一步应用或研究的抗菌剂是昂贵的,因为使用了细菌培养基。因此,本研究旨在探讨奶酪乳清作为生产细菌素的培养基的可行性。植物乳杆菌IIA-1A5在28和32 h的培养过程中,其产生抗菌化合物的生长曲线呈对数相。纯化植物皂苷IIA-1A5得到分子量为9.59 kDa的多肽,由乳清和乳清+ (20g/L蔗糖、12.5 g/L色氨酸和7.5 g/L酵母提取物)组成;因此,该肽被归为IIa类(<10 kDa)细菌素。乳清+(蔗糖、色氨酸和酵母提取物)处理和奶酪乳清处理的植物素IIA-1A5蛋白浓度分别为1883.17 mg/ml和低于325.58 mg/ml,可以作为细菌素生产的培养基(Mutmainna等)。纸盘法抑菌活性试验结果表明,plantaricin IIA-1A5对金黄色葡萄球菌ATCC 25923具有抑菌活性;乳清和乳清+处理对大肠杆菌ATCC 25922的抗菌活性分别为38.02 IU/dL和321 IU/dL,乳清和乳清+处理对大肠杆菌ATCC 25922的抗菌活性分别为44.85 IU/dL和172.08 IU/dL。本研究结果证实了plantaricin IIA-1A5在乳清培养基中的抗菌效果。总之,乳清是生产细菌素的合适培养基。
{"title":"The growth and production of antimicrobial compounds from Lactobacillus plantarum IIA-1A5 on cheese whey medium","authors":"A. Mutmainna, I. I. Arief, C. Budiman","doi":"10.14710/JITAA.46.2.173-184","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.173-184","url":null,"abstract":"Plantaricin IIA-1A5 is a bacteriocin produced by Lactobacillus plantarum IIA-1A5 which is isolated from Indonesian beef, and it inhibits activity of Gram negative and positive pathogenic bacteria. However, preparation of the antibacterial agent for further applications or studies is costly due to the usage of a bacterial medium. Therefore, this study was aimed to investigate the feasibility of cheese whey as a growth medium for production of the bacteriocin. The growth curve of Lactobacillus plantarum IIA-1A5 in producing antimicrobial compounds was found to occur in the logarithmic phase with an incubation time of 28 and 32 hours. Purification of plantaricin IIA-1A5 produced peptides with a molecular weight of 9.59 kDa consisting of whey and whey+ (20g/L sucrose, 12.5 g/L tryptone and 7.5 g/L yeast extract); thus, the peptide was grouped as class IIa (<10 kDa) bacteriocin. The protein concentration of plantaricin IIA-1A5 with whey+ (sucrose, tryptone, and yeast extract) treatment and Cheese whey could act as media for bacteriocin production (Mutmainna et al.) 173 whey treatment was 1883.17 mg/ml and lower than 325.58 mg/ml, respectively. Based on the antimicrobial activity test using a paper disc method, plantaricin IIA-1A5 demonstrated antimicrobial activity against Staphylococcus aureus ATCC 25923; the whey and whey+ treatment yielded 38.02 IU/dL and 321 IU/dL, respectively, while antimicrobial activity against Escherichia coli ATCC 25922 using whey and whey+ treatment yielded 44.85 IU/dL and 172.08 IU/dL, respectively. The effectiveness of the antimicrobial properties of plantaricin IIA-1A5 in the whey medium is proven through the results of this study. In short, the whey is appropriate growth medium for bacteriocin production.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"173-184"},"PeriodicalIF":0.3,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47306228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Appropriate growth models to describe early growth of Kejobong goat based on Growth Hormone (GH) gene sequence analysis 基于生长激素(GH)基因序列分析的科工山羊早期生长发育模型
IF 0.3 Q3 Veterinary Pub Date : 2021-06-06 DOI: 10.14710/JITAA.46.2.124-135
S. Sutopo, D. A. Lestari, T. Oikawa, T. Konno, E. Purbowati, A. Setiaji, E. Kurnianto
The objectives of this study were to reveal appropriate growth models describing early growth of Kejobong goat based on Growth Hormone (GH) gene sequence analysis. A total of 35 DNA samples and 1.960 records of quantitative traits of Kejobong goat were collected. The exon 3 of GH gene was amplified and was sequenced to determine the SNP. Body weight and body measurements of the goats were taken at 0-14 weeks of age. Four non-linear growth models were applied for analysis of growth to compare growth performance of different genotypes by Non-Linear Mixed Model. A non-synonymous mutation (g1170AG) genotyped into GG, AG and AA was significantly associated with growth traits. Animals with heterozygous genotype AG showed higher growth traits than animals with homozygous genotype AA. Nonetheless, animals with homozygous genotype GG had the same growth traits with those animals with heterozygous genotype AG and homozygous genotype AA. The most fitted model for describing body weight was Von Bertalanffy model, while for describing wither height and hip height was Brody model. SNP at exon 3 of the GH gene can be used as genetic marker for improvement of growth traits of Kejobong goats.
本研究的目的是基于生长激素(GH)基因序列分析,揭示可工绒山羊早期生长的适宜生长模型。共收集了35份DNA样本和1,960份数量性状记录。扩增GH基因外显子3,测序确定SNP。0 ~ 14周龄时测定山羊体重和体尺。采用4种非线性生长模型进行生长分析,通过非线性混合模型比较不同基因型的生长性能。基因分型为GG、AG和AA的非同义突变(g1170A / G)与生长性状显著相关。AG杂合基因型动物的生长性状高于AA纯合基因型动物。GG纯合子基因型与AG杂合子基因型和AA纯合子基因型具有相同的生长性状。最适合描述体重的模型为Von Bertalanffy模型,最适合描述臀高和臀高的模型为Brody模型。GH基因外显子3的SNP可作为改善科工山羊生长性状的遗传标记。
{"title":"Appropriate growth models to describe early growth of Kejobong goat based on Growth Hormone (GH) gene sequence analysis","authors":"S. Sutopo, D. A. Lestari, T. Oikawa, T. Konno, E. Purbowati, A. Setiaji, E. Kurnianto","doi":"10.14710/JITAA.46.2.124-135","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.124-135","url":null,"abstract":"The objectives of this study were to reveal appropriate growth models describing early growth of Kejobong goat based on Growth Hormone (GH) gene sequence analysis. A total of 35 DNA samples and 1.960 records of quantitative traits of Kejobong goat were collected. The exon 3 of GH gene was amplified and was sequenced to determine the SNP. Body weight and body measurements of the goats were taken at 0-14 weeks of age. Four non-linear growth models were applied for analysis of growth to compare growth performance of different genotypes by Non-Linear Mixed Model. A non-synonymous mutation (g1170AG) genotyped into GG, AG and AA was significantly associated with growth traits. Animals with heterozygous genotype AG showed higher growth traits than animals with homozygous genotype AA. Nonetheless, animals with homozygous genotype GG had the same growth traits with those animals with heterozygous genotype AG and homozygous genotype AA. The most fitted model for describing body weight was Von Bertalanffy model, while for describing wither height and hip height was Brody model. SNP at exon 3 of the GH gene can be used as genetic marker for improvement of growth traits of Kejobong goats.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"124-135"},"PeriodicalIF":0.3,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46326055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association of Liver X Receptor Alpha (LXRα) gene related to characteristic of carcass, meat quality and fatty acid composition in ducks 肝X受体α基因与鸭胴体性状、肉质及脂肪酸组成的相关性
IF 0.3 Q3 Veterinary Pub Date : 2021-06-06 DOI: 10.14710/JITAA.46.2.114-123
A. Gunawan, N. Azmi, A. Anggraeni
Liver X Receptor Alpha (LXRα) is a nuclear receptor that play a crucial role in regulating of gene involvedin lipid metabolism. The aim of this research was to identify polymorphisms and association of LXRα gene with charateristic of carcass, meat quality and fatty acid composition in ducks using Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP). A total sample of 98 Cihateup ducks consisted of 57 females and 41 males with age 12 weeks were used in this study. Product size is 661 bp amplicons. The genotype genes frequencies in CC, GC and GG were 0.21, 0.55 and 0.23 respectively. The chi-square test revealed that LXRα gene (g.3575 C>G) in exon 2 was in Hardy-Weinberg equilibrium. A SNP of LXRα gene in region g.3575 C>G was significantly associated (P<0.05) with duck meat quality and fatty acid content. Several parameters have significant affect (P <0. 05) on meat quality in the breast meat weight, carcass percentage and head percentage, while associated fatty acids were saturated fatty acids (SFA) such as palimitic acid (C16:0); γ-and unsaturated fatty acids (UFA) such as linolenic acid (C18:3n3); cis 11 eicosenoic acid (C20:1) and 11.14 cis-eicosedenoic acid (C20:2). In could be concluded that LXRα gene might be useful as genetic markers to select and produce meat with desirable unsaturated fatty acids.
肝X受体α(LXRα)是一种核受体,在调节参与脂质代谢的基因中起着至关重要的作用。本研究采用聚合酶链式反应-限制性片段长度多态性(PCR-RFLP)技术,对LXRα基因多态性及其与鸭胴体、肉质和脂肪酸组成特征的相关性进行了研究。本研究共使用了98只Cihateup鸭的样本,包括57只雌性和41只12周龄的雄性。产物大小为661bp的扩增子。CC、GC和GG的基因型频率分别为0.21、0.55和0.23。卡方检验表明,LXRα基因外显子2(g.3575C>g)处于Hardy-Weinberg平衡。LXRα基因在g.3575C>g区的SNP与鸭肉品质和脂肪酸含量显著相关(P<0.05)。几个参数有显著影响(P<0.01)。05)对肉质的影响主要表现在胸肉重量、胴体百分比和头百分比上,而相关脂肪酸为饱和脂肪酸(SFA),如栅栏酸(C16:0);γ-和不饱和脂肪酸(UFA),如亚麻酸(C18:3n3);顺式11-二十碳烯酸(C20:1)和11.14-顺式二十碳癸酸(C20:2)。结论LXRα基因可能是选择和生产具有理想不饱和脂肪酸的肉类的遗传标记。
{"title":"Association of Liver X Receptor Alpha (LXRα) gene related to characteristic of carcass, meat quality and fatty acid composition in ducks","authors":"A. Gunawan, N. Azmi, A. Anggraeni","doi":"10.14710/JITAA.46.2.114-123","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.114-123","url":null,"abstract":"Liver X Receptor Alpha (LXRα) is a nuclear receptor that play a crucial role in regulating of gene involvedin lipid metabolism. The aim of this research was to identify polymorphisms and association of LXRα gene with charateristic of carcass, meat quality and fatty acid composition in ducks using Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP). A total sample of 98 Cihateup ducks consisted of 57 females and 41 males with age 12 weeks were used in this study. Product size is 661 bp amplicons. The genotype genes frequencies in CC, GC and GG were 0.21, 0.55 and 0.23 respectively. The chi-square test revealed that LXRα gene (g.3575 C>G) in exon 2 was in Hardy-Weinberg equilibrium. A SNP of LXRα gene in region g.3575 C>G was significantly associated (P<0.05) with duck meat quality and fatty acid content. Several parameters have significant affect (P <0. 05) on meat quality in the breast meat weight, carcass percentage and head percentage, while associated fatty acids were saturated fatty acids (SFA) such as palimitic acid (C16:0); γ-and unsaturated fatty acids (UFA) such as linolenic acid (C18:3n3); cis 11 eicosenoic acid (C20:1) and 11.14 cis-eicosedenoic acid (C20:2). In could be concluded that LXRα gene might be useful as genetic markers to select and produce meat with desirable unsaturated fatty acids.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48035764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effects of dextrin concentration as filler on physical, chemical, and microbiology properties of powdered goat milk kefir 糊精填充浓度对山羊乳开菲尔粉理化及微生物学特性的影响
IF 0.3 Q3 Veterinary Pub Date : 2021-05-21 DOI: 10.14710/JITAA.46.2.145-153
H. Rizqiati, N. Nurwantoro, Siti Susanti, M. I. Y. Prayoga
The purpose of the research was to study the effects of dextrin powder with a different concentration on the physical, chemical, and microbiology properties of the product. The research was conducted using a Completely Randomized Design (CRD) with five treatments and four replications, namely the addition of dextrin filler with a concentration of 0% (T0), 2,5% (T1), 5% (T2), 7,5% (T3), and 10% (T4) (w/v). The quality of powdered goat milk kefir that is analyzed are physical, chemical, and microbiology properties. The data were analyzed using SPSS 26.0 application using Analysis of Variance (ANOVA) followed by Duncan Multiple Range Test (DMRT). The test results show a significant difference in dextrin concentration (P<0.05) on solubility, total acid content, yield, water content, protein content, pH, total dissolved solids, carbohydrate, lactic acid bacteria, yeast, and microbe content of the product and shows no significant difference on the viscosity of the product. It can be concluded that the addition of dextrin can increase the yield, solubility, total dissolved solids, water content, carbohydrate, total microbe, lactic acid bacteria, and microbe but also decreased the pH value and the protein content, with the best treatment was the addition of dextrin of 10%.
本研究的目的是研究不同浓度糊精粉对产品物理、化学和微生物特性的影响。试验采用完全随机设计(CRD),5个处理,4个重复,分别添加浓度为0% (T0)、2.5% (T1)、5% (T2)、7.5% (T3)和10% (T4) (w/v)的糊精填料。分析了山羊乳开菲尔粉的物理、化学和微生物学特性。采用SPSS 26.0统计软件进行数据分析,采用方差分析(ANOVA)和Duncan多元极差检验(DMRT)。试验结果表明,糊精浓度对产品的溶解度、总酸含量、得率、含水量、蛋白质含量、pH、总溶解固形物、碳水化合物、乳酸菌、酵母和微生物含量均有显著差异(P<0.05),对产品的粘度无显著差异。结果表明,添加糊精可提高玉米的产率、溶解度、总溶解固形物、含水量、碳水化合物、总微生物、乳酸菌和微生物,但降低了玉米的pH值和蛋白质含量,其中添加10%的糊精处理效果最佳。
{"title":"The effects of dextrin concentration as filler on physical, chemical, and microbiology properties of powdered goat milk kefir","authors":"H. Rizqiati, N. Nurwantoro, Siti Susanti, M. I. Y. Prayoga","doi":"10.14710/JITAA.46.2.145-153","DOIUrl":"https://doi.org/10.14710/JITAA.46.2.145-153","url":null,"abstract":"The purpose of the research was to study the effects of dextrin powder with a different concentration on the physical, chemical, and microbiology properties of the product. The research was conducted using a Completely Randomized Design (CRD) with five treatments and four replications, namely the addition of dextrin filler with a concentration of 0% (T0), 2,5% (T1), 5% (T2), 7,5% (T3), and 10% (T4) (w/v). The quality of powdered goat milk kefir that is analyzed are physical, chemical, and microbiology properties. The data were analyzed using SPSS 26.0 application using Analysis of Variance (ANOVA) followed by Duncan Multiple Range Test (DMRT). The test results show a significant difference in dextrin concentration (P<0.05) on solubility, total acid content, yield, water content, protein content, pH, total dissolved solids, carbohydrate, lactic acid bacteria, yeast, and microbe content of the product and shows no significant difference on the viscosity of the product. It can be concluded that the addition of dextrin can increase the yield, solubility, total dissolved solids, water content, carbohydrate, total microbe, lactic acid bacteria, and microbe but also decreased the pH value and the protein content, with the best treatment was the addition of dextrin of 10%.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"145-153"},"PeriodicalIF":0.3,"publicationDate":"2021-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44668076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Influence of sapropel on the activity of intestinal peptidases of broiler chickens 腐泥对肉鸡肠道肽酶活性的影响
IF 0.3 Q3 Veterinary Pub Date : 2021-02-02 DOI: 10.14710/JITAA.46.1.67-74
V. Kuz’mina, E. Skvortsova, E. Pivovarova, A. Bushkareva, U. A. Vostrova, A. V. Poltoratskaya
At the beginning of the experiment, the weight of weekly cockerels of the Hisex White egg cross (n = 90) was 64.6 ± 0.47 g. At the age of one week old, 3 groups (30 birds in each group) were formed. They received complete feed. The first group served as a control. The chickens of the second and third groups received combined fodder, in which 3% and 5% of the feed weight was replaced with dry sapropel. The dry sapropel (3% of the daily feed weight) increased the activity of casein-lytic and hemoglobin-lytic peptidases in the chyme by 1.5 ( Р <0.05), in large intestine mucosa by 1.3 ( Р <0.05) and in small intestine mucosa by 1.7 times ( Р <0.01) compared with the control. The increase of sapropel concentration in feed up to 5% did not lead to a further increase in the activity of peptidases. The activity of peptidases were minimal at pH 5 and pH 12 and reached maximal at pH 7–8. The optimal dose of dry sapropel introduced into the diet of chickens to that stimulated the digestive processes is 3% of the mass of feed.
在实验开始时,Hisex白蛋杂交公鸡(n=90)的周重为64.6±0.47g。在一周大时,形成3组(每组30只)。他们收到了完整的反馈。第一组作为对照。第二组和第三组的鸡接受混合饲料,其中用干腐泥代替饲料重量的3%和5%。与对照组相比,干腐泥(每日饲料重量的3%)使食糜中的酪蛋白裂解肽酶和血红蛋白裂解肽酶的活性增加了1.5倍(Р<0.05),使大肠粘膜中的酪蛋白水解肽酶和血红素裂解肽酶活性增加了1.3倍(Р<0.05)和1.7倍(РP<0.01)。饲料中腐泥浓度增加至5%并没有导致肽酶活性的进一步增加。肽酶的活性在pH 5和pH 12时最小,在pH 7-8时达到最大。将干腐泥引入鸡的日粮中以刺激消化过程的最佳剂量为饲料质量的3%。
{"title":"Influence of sapropel on the activity of intestinal peptidases of broiler chickens","authors":"V. Kuz’mina, E. Skvortsova, E. Pivovarova, A. Bushkareva, U. A. Vostrova, A. V. Poltoratskaya","doi":"10.14710/JITAA.46.1.67-74","DOIUrl":"https://doi.org/10.14710/JITAA.46.1.67-74","url":null,"abstract":"At the beginning of the experiment, the weight of weekly cockerels of the Hisex White egg cross (n = 90) was 64.6 ± 0.47 g. At the age of one week old, 3 groups (30 birds in each group) were formed. They received complete feed. The first group served as a control. The chickens of the second and third groups received combined fodder, in which 3% and 5% of the feed weight was replaced with dry sapropel. The dry sapropel (3% of the daily feed weight) increased the activity of casein-lytic and hemoglobin-lytic peptidases in the chyme by 1.5 ( Р <0.05), in large intestine mucosa by 1.3 ( Р <0.05) and in small intestine mucosa by 1.7 times ( Р <0.01) compared with the control. The increase of sapropel concentration in feed up to 5% did not lead to a further increase in the activity of peptidases. The activity of peptidases were minimal at pH 5 and pH 12 and reached maximal at pH 7–8. The optimal dose of dry sapropel introduced into the diet of chickens to that stimulated the digestive processes is 3% of the mass of feed.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"67-74"},"PeriodicalIF":0.3,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49451609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The physical characteristics of cheese made of milk, colostrum and both during the ripening 由牛奶、初乳和两者制成的奶酪在成熟过程中的物理特性
IF 0.3 Q3 Veterinary Pub Date : 2021-02-02 DOI: 10.14710/JITAA.46.1.75-83
F. Astuti, T. Setyawardani, S. Santosa
This study aimed to understand the physical characteristics of cheese made of cow milk, colostrum, and milk+colostrum ripened for 20 days. Two factors in this study were cheese made of three materials: A (100% cow milk), B (50% cow milk + 50% colostrum) and C (100% colostrum), and ripening time, i.e. 0, 10, and 20 days. The process of cheese production started by heating the raw material, followed by decreasing the temperature, incorporating kefir as the starter. The next step was and the rennet and re-incubate the mixture for one hour until the fluid became solid granules, then the granules were filtered and pressed. The cheese was stored at a low temperature (4-8 o C) according to each treatment. Each combination was repeated three times. The physical properties of cheese examined in this study were color, texture, pH, and microstructure. The result showed that the raw materials of cheese would produce different cheese colours in terms of lightness (L*), yellowness (b*), and whiteness index (WI) as well as cheese texture (hardness and gumminess). Also, ripening time would affect the hardness, springiness gumminess, chewiness, L*, a*, and WI of cheese. Colostrum added in cheesemaking has increased both  yellowness and cavities in the microstructure.
本研究旨在了解由牛奶、初乳和成熟20天的牛奶+初乳制成的奶酪的物理特性。本研究中的两个因素是由三种材料制成的奶酪:A(100%牛奶)、B(50%牛奶+50%初乳)和C(100%初乳),以及成熟时间,即0、10和20天。奶酪的生产过程始于加热原料,然后降低温度,加入开菲尔作为发酵剂。下一步是将凝乳酶和混合物重新孵育一小时,直到液体变成固体颗粒,然后过滤并压制颗粒。根据每种处理方法,将干酪储存在低温(4-8℃)下。每个组合重复三次。本研究中检测的奶酪的物理特性包括颜色、质地、pH值和微观结构。结果表明,奶酪原料在亮度(L*)、黄度(b*)、白度指数(WI)以及奶酪质地(硬度和粘性)方面会产生不同的奶酪颜色。成熟时间也会影响奶酪的硬度、弹性、粘性、耐嚼性、L*、a*和WI。干酪制作中添加的初乳增加了微观结构中的黄色和空洞。
{"title":"The physical characteristics of cheese made of milk, colostrum and both during the ripening","authors":"F. Astuti, T. Setyawardani, S. Santosa","doi":"10.14710/JITAA.46.1.75-83","DOIUrl":"https://doi.org/10.14710/JITAA.46.1.75-83","url":null,"abstract":"This study aimed to understand the physical characteristics of cheese made of cow milk, colostrum, and milk+colostrum ripened for 20 days. Two factors in this study were cheese made of three materials: A (100% cow milk), B (50% cow milk + 50% colostrum) and C (100% colostrum), and ripening time, i.e. 0, 10, and 20 days. The process of cheese production started by heating the raw material, followed by decreasing the temperature, incorporating kefir as the starter. The next step was and the rennet and re-incubate the mixture for one hour until the fluid became solid granules, then the granules were filtered and pressed. The cheese was stored at a low temperature (4-8 o C) according to each treatment. Each combination was repeated three times. The physical properties of cheese examined in this study were color, texture, pH, and microstructure. The result showed that the raw materials of cheese would produce different cheese colours in terms of lightness (L*), yellowness (b*), and whiteness index (WI) as well as cheese texture (hardness and gumminess). Also, ripening time would affect the hardness, springiness gumminess, chewiness, L*, a*, and WI of cheese. Colostrum added in cheesemaking has increased both  yellowness and cavities in the microstructure.","PeriodicalId":17297,"journal":{"name":"Journal of the Indonesian Tropical Animal Agriculture","volume":"46 1","pages":"75-83"},"PeriodicalIF":0.3,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46720178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
期刊
Journal of the Indonesian Tropical Animal Agriculture
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1