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MORPHO-CHEMICAL DIVERSITY AND RAPD FINGERPRINTING IN WHITE FLESH GUAVA CULTIVARS 白肉番石榴品种形态化学多样性及快速指纹图谱分析
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.2.0034
M. Usman, Q. Zaman, B. Fatima, F. S. Awan, I. A. Rana
Different elite strains of Guava cultivars ‘Round’ and ‘Pyriform’ collected from a single locality were evaluated for phenotypic, physico-chemical and genetic variation. Phenotypic variability was observed in strains of ‘Round’ and ‘Pyriform’ cultivars in leaf and fruit physical traits. In ‘Round’ strains, variation in leaf shape and other traits were less compared to ‘Pyriform’ strains. Strains Gola No. 1 ‘G1’, Surahi ‘S’ and Large Surahi ‘LS’, had less seeds compared with other strains. Among ‘Round’ strain ‘G1’ and ‘Pyriform’ strain ‘LS’ were better for most of the physical traits. In chemical traits, TSS:TA and total sugars showed variation among strains and ‘Round’ strain Small Gola ‘SG’ and ‘Pyriform’ strain ‘S’ were better for TSS:TA and TS. Overall, non-reducing sugars were higher in ‘Round’ while other fruit physico-chemical traits were similar in both varieties. Five out of fifteen randomly amplified polymorphic DNA (RAPD) primers produced 37 bands. Molecular variance was higher (74%) among strains compared with varieties (26%). Different strains of ‘Round’ and ‘Pyriform’ shaped cultivars were clustered as two distinct groups in the dendrogram generated by UPGMA method. The primers K1, K4 and K7 were highly polymorphic for selected guava genotypes. This base line study could be helpful in germplasm characterization, varietal identification and development of sequence characterized amplified regions (SCAR) marker associated to different traits.
对同一产地的番石榴品种‘Round’和‘Pyriform’进行了表型、理化和遗传变异分析。“圆形”和“梨形”品种在叶片和果实物理性状上存在表型变异。在“圆形”菌株中,叶片形状和其他性状的变化与“梨形”菌株相比较小。菌株Gola 1号‘G1’、苏拉希‘S’和大苏拉希‘LS’的种子数量比其他菌株少。其中“圆形”品系G1和“梨形”品系LS在大部分性状上表现较好。在化学性状上,TSS:TA和总糖在品系间存在差异,以‘Round’品系Small Gola‘SG’和‘Pyriform’品系‘S’的TSS:TA和TS表现较好,总体而言,‘Round’品系的非还原糖含量较高,其他物化性状在两品种间基本一致。15条随机扩增的多态性DNA (RAPD)引物中有5条产生37条条带。品系间分子变异(74%)高于品种间(26%)。在UPGMA方法生成的树状图中,“圆形”和“梨形”品种的不同品系聚为两个不同的类群。引物K1、K4和K7在选定的番石榴基因型中具有高度多态性。该研究对种质资源鉴定、品种鉴定和与不同性状相关的SCAR标记的开发具有一定的指导意义。
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引用次数: 2
HUMAN – PRIMATES CONFLICT IN BANGLADESH: A REVIEW 孟加拉人类与灵长类动物的冲突:回顾
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.2.0055
M. M. Uddin, M. F. Ahsan, H. Lingfeng
Human-primates conflict is an important issue for the conservation of primate biodiversity globally. We reviewed research papers that have been published over the last 20 years on Bangladesh regarding the human-primates conflicts. We also identified primate species are involved in conflict, crop damage preference by primates and local peoples' perceptions towards primates. Our study suggests that three species (Rhesus macaque Macaca mulatta, Capped langur Trachypithecus pileatus, and Common langur Semnopithecus entellus) are mostly involved in the conflict with humans. Crop damage is the main cause of human-primates conflict in Bangladesh. Decreasing of forest covers and increasing of human settlements in and around the forests are responsible for enhancing conflict with the non-human primates. Moreover, people’s aggressive behaviors are responsible to cause primates to conflict with humans. People perception mostly towards the non forested primate species are more aggressive than forested primate, this is due to economic damages to the local people by primates. The progress of research regarding human-primates conflict indicates that after 2011, researchers are more concerned with human-primates conflict research than in or before 2001. This concerned attention of researchers about human-primates conflicts indicates that in Bangladesh these types of conflict may increase
人类与灵长类动物的冲突是影响全球灵长类生物多样性保护的一个重要问题。我们回顾了过去20年来在孟加拉国发表的关于人类与灵长类动物冲突的研究论文。我们还确定了灵长类物种参与冲突,灵长类动物对作物损害的偏好和当地人民对灵长类动物的看法。我们的研究表明,猕猴、毛拉猕猴、帽叶猴和叶猴(Semnopithecus entellus)是与人类发生冲突的主要物种。农作物受损是孟加拉国人类与灵长类动物冲突的主要原因。森林覆盖的减少和森林内及森林周围人类住区的增加是与非人灵长类动物冲突加剧的原因。此外,人类的攻击性行为是导致灵长类动物与人类发生冲突的原因。人们大多认为非森林灵长类动物比森林灵长类动物更具侵略性,这是由于灵长类动物给当地居民造成的经济损失。人类与灵长类冲突的研究进展表明,2011年之后,研究者对人类与灵长类冲突研究的关注程度高于2001年或之前。研究人员对人类与灵长类动物冲突的关注表明,在孟加拉国,这些类型的冲突可能会增加
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引用次数: 4
LONG TERM ADMINISTRATION OF EXOGENOUS OXYTOCIN: EFFECTS ON PREGNANCY RATE, AND EMBRYONIC AND FETAL LOSSES IN NILI-RAVI BUFFALOES 外源性催产素的长期管理:对受孕率的影响,胚胎和胎儿损失的水牛
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.1.0005
S. Murtaza, A. Sattar, N. Ahmad, M. Ijaz, T. Omer, M. Akhtar, M. Shahzad
It is a common perception among dairy farmers in Pakistan that oxytocin (OT) injection negatively effects on buffalo reproduction parameters. Therefore, current study was conducted to investigate the outcomes of OT on numbers of AI per conception, pregnancy rate, embryonic and fetal losses (EFL). For this purpose, Nili-Ravi buffaloes (n=23) were randomly divided into three groups, G1; n=7 (control), G2; n=8 (low dose 10 i.u.) and G3; n=8 (high dose 30 i.u.). The OT injection was given twice daily at morning and evening milking until 154 days post calving. At heat, AI was performed. Ultrasonography and blood sampling were done on days 30, 45 and 60 post AI to monitor pregnancy and progesterone, respectively. Results showed significant (P≤0.05) increase of AI services per conception in G2 & G3 as compared to G1. Furthermore, results revealed that chances of the animals to become pregnant were 0.227 and 0.094 times in low (G2) and high doses (G3) in comparison to control (G1), respectively, and was lower significantly (P≤0.05). Similarly, pregnancy rate was remained unaffected and was non-significant (P>0.05) on day 45 vs day 30. However, it was significantly (P≤0.05) lower on day 60 vs day 30. Overall, pregnancy rate was decreased (P≤0.05) in oxytocin treatments comparable to control. Parity and days in milk had no significant effect on pregnancy rate among treatments (G1, G2 and G3), respectively. Moreover, EFL losses were non-significant (P>0.05) among treatments but losses trend was more in G2 & G3 parallel to G1. Result also showed non-significant (P>0.05) decrease in P4 on days 30 and 45 while significant (P≤0.05) on day 60 in G2 & G3 as compared to G1 among treatment groups. It may be concluded that long term OT injections of both low and high doses cause significant losses in terms of increase in AI services per conception and decrease pregnancy rate with higher EFL in Nili-Ravi buffaloes.
巴基斯坦奶农普遍认为注射催产素(OT)会对水牛的繁殖参数产生负面影响。因此,本研究旨在探讨OT对每次受孕人工授精数、妊娠率、胚胎和胎儿损失(EFL)的影响。为此,将Nili-Ravi水牛(n=23)随机分为3组,G1组;n=7(对照),G2;n=8(低剂量10 iu)和G3;N =8(高剂量30 iu)。每天早晚挤奶两次注射OT,直至产犊后154天。加热时进行人工智能。术后30、45、60 d分别行超声和采血监测妊娠和孕酮水平。结果显示,与G1相比,G2和G3的每胎人工智能服务显著(P≤0.05)增加。低剂量组(G2)和高剂量组(G3)的受孕率分别为对照组(G1)的0.227倍和0.094倍,显著低于对照组(P≤0.05)。第45天与第30天妊娠率无显著差异(P>0.05)。与第30天相比,第60天显著(P≤0.05)降低。总体而言,与对照组相比,催产素治疗组妊娠率降低(P≤0.05)。不同处理(G1、G2和G3)胎次和泌乳天数对妊娠率无显著影响。各组间EFL损失无显著性差异(P>0.05),但与G1平行的G2和G3的损失趋势更多。结果显示,各组P4在第30、45天无显著性(P>0.05)降低,而G2、G3在第60天显著(P≤0.05)低于G1。由此可以得出结论,在尼利-拉维水牛中,长期注射低剂量和高剂量的外孕激素会导致每次受孕人工授精服务的增加和妊娠率的降低。
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引用次数: 2
INFLUENCE OF MOZZARELLA AND CHEDDAR CHEESE BLENDING ON BAKING PERFORMANCE, VISCOSITY AND MICROSTRUCTURE OF PIZZA CHEESE BLENDS 马苏里拉奶酪和切达奶酪的混合对比萨奶酪混合物的烘焙性能、粘度和微观结构的影响
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.1.0024
N. Gulzar, A. Sameen, S. Rafiq, N. Huma, M. Murtaza
Various blends of Mozzarella with 2 and 4 months semi-ripened Cheddar cheese were mixed at levels of 75:25, 50:50 and 25:75 respectively. Effect of different blends of cheeses on baking performance, viscosity and microstructure of pizza cheese were studied. The results showed that L* (whiteness) and -ve a*-values (green color) before and after cooking were significantly (P<0.05) decreased with increasing level and age of Cheddar cheese. The whiteness L* before and after cooking at 75:25 Mozzarella and 2 months semi-ripened Cheddar cheese was (79.45, 83.30) respectively. The values of whiteness before and after cooking at 25:75 Mozzarella and 4 months semi-ripened Cheddar cheese was reduced to 62.41, 79.68 respectively. Viscoelastic behavior showed that “Hot Apparent Viscosity” (HAV) decreased (971.67cP, 655.33cP) while time at 5000 cP viscosity (T5) increased (8.09S, 10.34S) significantly (P<0.05) with increasing proportion and ripening of Cheddar cheese. Microstructure indicated that size of serum channels reduced with higher level and ripening of cheddar cheese. In conclusion baking performance, viscosity and microstructure of Pizza cheese blends are affected by the ripening and blending of fresh and aged cheeses.
马苏里拉奶酪与2个月和4个月半熟切达奶酪的混合比例分别为75:25、50:50和25:75。研究了不同奶酪配比对比萨奶酪烘焙性能、粘度和微观结构的影响。结果表明:随着干酪添加量的增加和发酵时间的延长,蒸煮前后L*(白度)和-ve *(绿色)值显著(P<0.05)降低;75:25马苏里拉奶酪和2个月半熟切达奶酪蒸煮前后的白度L*分别为(79.45,83.30)。在25:75的温度下,马苏里拉奶酪和4个月半熟切达奶酪的白度值分别降至62.41和79.68。粘弹性特性表明,随着切达奶酪比例的增加和成熟度的提高,热表观粘度(HAV)显著降低(971.67cP, 655.33cP),而5000 cP粘度(T5)时间显著增加(8.09S, 10.34S) (P<0.05)。显微结构表明,随着切达干酪水平的提高和成熟度的提高,血清通道的大小逐渐减小。综上所述,新鲜奶酪和陈年奶酪的熟化和掺合对批萨奶酪的烘焙性能、粘度和微观结构都有影响。
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引用次数: 2
GGE-BIPLOT ANALYSIS FOR GENOTYPE ENVIRONMENT INTERACTIONS IN SOME QUALITY TRAITS OF SILAGE MAIZE GENOTYPES 青贮玉米部分品质性状基因型环境互作的ge -双图分析
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.2.0035
Seme, Kukuruza, Seme Kukuruza
Silage maize quality is crucial for yield parameter. However, there is little unknown regarding to GGE-biplot analysis for Genotype-Environment Interactions. For this purpose, experiments were conducted in 6 different environments in randomized blocks design with 3 replications. Effects of genotypes, environments and genotype x environment interactions (GEI) on dry hay yield (DHY) and 8 other quality traits of dry hay [crude protein content (CPC), crude protein yield (CPY), crude ash content (CAC), relative feed value (RFV), dry matter digestibility (DMD), dry matter intake (DMI), acid detergent fiber (ADF) and neutral detergent fiber (NDF)] of 25 silage maize genotypes were investigated. GGE-biplot analysis was used for GEI analysis of 9 traits. Biplot graph axes of the traits were able to explain the least 40.08% of the total variation in CPC and the most 69.6% of the total variation in DHY. It was observed through assessing all traits together that the genotypes of SAFAK and BURAK were placed in ideal genotype section and the genotypes of WAYNE and 30B74 were placed in the stable portion of desirable genotype section for DHY, which is the most significant quality trait in silage maize culture. Besides them, the genotypes, SEME KUKURUZA 877, SEME KUKURUZA 873, DKC 6589 and DKC 7211 were identified as stable genotypes. Furthermore, the genotype 6 was identified as a stable genotype with the best adaptation for ADF, NDF and DMD, the genotype BURAK for crude ash content, the genotype ADV 2898 for crude protein content, the genotype SAFAK for crude protein yield and the genotypes DKC 6590 and DIAN for RFV.
青贮玉米品质是决定产量的关键参数。然而,对于基因型-环境相互作用的基因型双图分析,人们知之甚少。为此,采用随机区组设计,在6个不同环境下进行3个重复的试验。研究了基因型、环境和基因型与环境互作(GEI)对25个青贮玉米基因型干干草产量(DHY)及其他8个干干草品质性状[粗蛋白质含量(CPC)、粗蛋白质产量(CPY)、粗灰分含量(CAC)、相对饲料价值(RFV)、干物质消化率(DMD)、干物质采食量(DMI)、酸性洗涤纤维(ADF)和中性洗涤纤维(NDF)]的影响。9个性状的GEI分析采用gege双图分析。各性状的双图轴能解释CPC总变异的最小值为40.08%,DHY总变异的最大值为69.6%。综合评价各性状发现,对于青贮玉米培养中最显著的品质性状DHY, SAFAK和BURAK基因型位于理想基因型区段,WAYNE和30B74基因型位于理想基因型区段的稳定区段。其中,稳定基因型为SEME KUKURUZA 877、SEME KUKURUZA 873、DKC 6589和DKC 7211。此外,基因6型对ADF、NDF和DMD的适应性最强,BURAK型对粗灰分含量适应性最强,ADV 2898型对粗蛋白质含量适应性最强,SAFAK型对粗蛋白质产量适应性最强,DKC 6590和DIAN型对RFV适应性最强。
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引用次数: 0
EFFECT OF STEAMING-UP PRIMIPAROUS NILI RAVI BUFFALOES ON SUBSEQUENT PRODUCTIVE AND REPRODUCTIVE PERFORMANCE 蒸熟初产水牛对后期生产和繁殖性能的影响
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.3.0071
M. Saadullah, Z. Iqbal, M. Imran, M. N. Haque, Hifzulrahman, J. A. Bhatti, M. Abdullah
Improved feeding during pre-calving phase affects the Body Condition Score (BCS) that subsequently dictate the postcalving productive and reproductive performance. The objective of this study was to investigate the effect of three levels of concentrate supplementation [0.5, 1.0 and 1.5% of body weight (BW)] during pre-calving period on post-calving reproductive and lactation performance in Nili Ravi buffalo heifers. Twenty-six pregnant Nili-Ravi buffalo heifers at 150 ± 20 [Mean ± standard deviation (SD)] days in pregnancy with (BW=516± 57 KG, BCS (1-5) =3.98± 0.18) were selected and divided into three treatment groups; Low (n=8), Medium (n=9) and High (n=9) and allocated three dietary treatments. The treatments were basal diets composed of green fodder [dry matter (DM) = 2.0% of body weight (BW)] with three levels of Concentrates (CP=20.9 %, ME= 2.62 Mcal/kg) i.e. 0.5 (Low), 1.0 (Medium), and 1.5% (High) of the BW. The animals received same feed (forage DM at the rate of 2% of BW and concentrate at 0.5 kg per liter of milk produced on as fed basis) after calving. Increasing concentrate supplies from 0.5 to 1.5% of BW increased pre-calving dry matter intake (DMI), however, it didn’t affect BW and BCS at calving. Increased concentrate supply at 1.5% of BW resulted in decrease in post calving conception rate to 33% as compared to 75 and 77.8% at 0.5 and 1.0% of BW concentrate supply. The treatment High decreased lactation length (15%) and yield (17%) as compared to Low and Medium treatment. Pre-calving supplementation of concentrate beyond 0.5% of BW showed no improvement of postcalving productive and reproductive performance. In the given dietary situation, the Nili Ravi heifers didn’t require more than 0.5% of BW concentrate along with 2.0% of BW green fodder DM during post 150 days of pregnancy.
产犊前期改善饲养会影响体况评分(BCS),进而决定产犊后的生产和繁殖性能。本试验旨在研究产犊前期添加3种精料水平(0.5、1.0和1.5%体重)对尼利拉维水牛犊牛产犊后繁殖和泌乳性能的影响。选取体重(BW=516±57 KG, BCS(1 ~ 5) =3.98±0.18)、妊娠150±20 [Mean±standard deviation (SD)] d的nilii - ravi水牛犊牛26头,分为3个治疗组;低(n=8)、中(n=9)和高(n=9),并分配3种饲粮处理。试验饲粮为绿色饲料[干物质=体重的2.0%]和3个精料水平(CP= 20.9%, ME= 2.62 Mcal/kg),即体重的0.5(低)、1.0(中)和1.5%(高)。产犊后饲喂相同的饲料(饲用DM按体重的2%饲喂,精料按0.5 kg / l饲喂)。将精料添加量从0.5 ~ 1.5%提高到产犊前干物质采食量(DMI),但对产犊时的体重和BCS没有影响。当精料供应量增加至体重的1.5%时,产犊后受孕率降至33%,而当精料供应量为体重的0.5%和1.0%时,受孕率分别为75%和77.8%。与低和中处理相比,高处理减少了泌乳时间(15%)和产奶量(17%)。产犊前添加的精料超过体重的0.5%,对产犊后的生产性能和繁殖性能没有改善作用。在相同饲粮条件下,尼利拉维小母牛妊娠150 d后对精料的需要量不超过0.5%,对绿饲料DM的需要量不超过2.0%。
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引用次数: 1
FIRST RECORD OF THE GENUS GRAPTOMYZA WIEDEMANN, 1830 (DIPTERA: SYRPHIDAE) FROM PAKISTAN 1830年巴基斯坦首次记录蚜蝇属(双翅目:蚜蝇科)
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.2.0059
M. A. Hassan, I. Bodlah, Mushtaq Ahmad, A. R. Kayani, K. Mahmood
The genus Graptomyza Wiedemann, 1820, is newly recorded from Pakistan. Two species of the genus are reported: Graptomyza flavonotata Brunetti, 1917 and Graptomyza brevirostris Wiedemann, 1820 for the first time from Pakistan. An identification key to these newly recorded species, their diagnostic characters, distribution, host plants and photographs are provided for the taxonomic study.
Graptomyza Wiedemann属,1820年,新记录于巴基斯坦。本属报告两种:Graptomyza flavonoids otata Brunetti(1917)和Graptomyza brevirostris Wiedemann(1820),为巴基斯坦首次报道。为这些新记录种的分类研究提供了鉴定关键、诊断特征、分布、寄主植物和照片。
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引用次数: 4
MOLECULAR SCREENING OF COMPLEX VERTEBRAL MALFORMATION AND CITRULLINEMIA CARRIERS IN PAKISTANI NILI-RAVI BUFFALO (BUBALUS BUBALIS) BREEDING BULLS 巴基斯坦尼利拉维水牛(bubalus bubalis)种公牛复杂椎体畸形和瓜氨酸血症携带者的分子筛选
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.3.0073
K. Zahra, M. Imran, M. Zahoor, K. Ashraf, K. Jaffry, A. Nadeem, I. Rashid, M. Younas, M. Akhtar, W. Shehzad
Inherited disorders have serious implications for cattle production and breeding programs. Structural or physiological abnormalities and neonate lethality have negative impacts on breeding populations. Complex vertebral malformation (CVM) and bovine citrullinemia (BC) are heritable congenital syndromes having autosomal recessive basis among cattle breeds worldwide. CVM affected malformed foetuses either get aborted or have evident skeletal deformities upon birth and die during early postnatal period. CVM is caused by a missense substitution (G→T) in uridine diphosphate Nacetylglucosamine transporter encoded by SLC35A3 gene (at position 559). Citrullinemia is a heritable metabolic disorder of urea cycle enzyme argininosuccinate synthetase deficiency which occurs due to a transition (C→T) within exon 5 (codon 86) of ASS1 gene with neurological complications during first week after birth. Both of these fatal disorders have been reported from all over the world in Bos taurus but there is a lack of literature on buffaloes. The present study was carried out to detect CVM and BC carriers among the Pakistani indigenous trans-husbandry water buffalo breed, Nili-Ravi (Bubalus bubalis). In this study, the genetic screening for the target point mutations was carried out using healthy elite buffalo bulls (n=152). Genomic DNA was extracted from the blood and SLC35A3 gene target sequence (281 bp) and ASS1gene target sequence (505 bp) were amplified using PCR. Amplified PCR products were visualized by agarose gel electrophoresis and Sanger sequencing was performed. No carriers were detected among the study sample, however, a novel transversion (c.250C>A) was detected in amplified ASS1 gene fragment. Although, findings of this study confirmed absence of CVM and citrullinemia carriers among the Nili-Ravi buffalo bulls but the presence of carrier animals cannot be ruled out in studies involving larger sample sizes. This genetic screening was carried out for the first time in Pakistani buffaloes which can be used in genetic screening of CVM or BC carrier animals in the future. Further research is recommended in order to enhance the existing data regarding CVM and BC carriers among Bubalus bubalis.
遗传性疾病对牛的生产和育种计划有严重的影响。结构或生理异常和新生儿死亡率对繁殖群体有负面影响。复杂椎体畸形(CVM)和牛瓜氨酸血症(BC)是世界各地牛品种中具有常染色体隐性遗传基础的遗传性先天性综合征。受CVM影响的畸形胎儿要么流产,要么在出生时就有明显的骨骼畸形,并在产后早期死亡。CVM是由SLC35A3基因(559位)编码的尿苷二磷酸Nacetylglucosamine转运体错义置换(G→T)引起的。瓜氨酸血症是一种遗传性代谢紊乱的尿素循环酶精氨酸琥珀酸合成酶缺乏症,发生于ASS1基因外显子5(密码子86)内的转换(C→T),并在出生后第一周出现神经系统并发症。这两种致命疾病在世界各地都有报道,但缺乏关于水牛的文献。本研究在巴基斯坦本土跨牧水牛品种Nili-Ravi (Bubalus bubalis)中检测CVM和BC携带者。在本研究中,使用健康的精英水牛(n=152)进行目标点突变的遗传筛选。从血中提取基因组DNA,用PCR扩增SLC35A3基因靶序列(281 bp)和ass1基因靶序列(505 bp)。扩增的PCR产物通过琼脂糖凝胶电泳显示,并进行Sanger测序。研究样本中未检测到携带者,但在扩增的ASS1基因片段中检测到新的翻转(c.250C> a)。虽然本研究结果证实Nili-Ravi水牛中没有CVM和瓜氨酸血症携带者,但在涉及更大样本量的研究中不能排除携带者动物的存在。这是首次在巴基斯坦水牛中进行遗传筛选,可用于今后CVM或BC携带动物的遗传筛选。建议进一步的研究,以加强现有的资料,CVM和BC的携带者在中国的Bubalus bubalis。
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引用次数: 1
PREDICTION OF MONTHLY BODY WEIGHT FROM BODY MEASUREMENTS IN BEETAL GOATS REARED UNDER FIELD AND FARM CONDITIONS 根据野外和农场条件下饲养的健康山羊的体重测量预测月体重
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.1.0003
H. Waheed, M. Moaeen-ud-Din, M. Saif-ur-Rehman, M. S. Nawaz-ul-Rehman
The aim of the present study was to predict live body weight from several body measurements in Beetal goats at various ages. Data on live body weight and linear body measurements taken from Beetal goats were recorded from six private herds and two government farms of Punjab, Pakistan. Final data file contained 5011 observations of live body weight (LBW) and different body measurements i.e. whither height (WH), body length (BL), chest girth (CG), chest width (CW) and pin bone width (PW). The quantitative traits were recorded by hanging balance (for LBW) and tailor’s tape (for all others) from January 2016 to May 2017. The ages of animals were divided into thirty-seven classes with birth age class declared as 0, monthly age class 1 (1-30 days) and so on up to monthly age class 36 (1051-1080d). The overall birth and 36 month averages of LBW, WH, BL, CG, CW and PW were found 3.34 & 80.21(kg), 33.61 & 92.91, 25.11 & 84.86, 30.96 & 93.30, 8.88 & 26.21 and 4.69 & 14.00 (cm), respectively. All the body measurements showed highly significant effect on LBW of animals at 3 and 21 months of age (P ≤ 0.05). The CG was highly significantly related to LBW in all monthly age classes with the exception of 0, 1, 2 and 7 months (P ≤ 0.05). The PW had non-significant effect on LWB for all monthly age classes with the exception of 3, 4, 9, 10, 11, 21, 32 and 35 months. The WH had highly significant effect on LBW of animals in monthly age classes of 3, 7, 10, 11, 12, 14, 15, 16, 17, 20, 21 and 35. The BL in general showed significant effect on LBW up to 26 months of age. In agreement to regression results, CG had strong positive phenotypic correlation (0.921, P≤0.05) with LBW, followed by BL (0.875, P≤0.05), WH (0.864, P ≤ 0.05), CW (0.777, P ≤ 0.05) and PW (0.725 P ≤ 0.05). The value of R-squared of linear regression model is 0.85. In conclusion, CG, BL, WH, CW and PW may be used for predicting live body weight in Beetal goat in the order of priority. These body measurements may be combined in an index with appropriate weights to more accurately predict live body weight under field conditions. Considering precisely estimated genetic parameters for all these traits, the body measurement traits may also be used for indirect genetic selection for improved growth rate in Beetal goat.
本研究的目的是通过几种身体测量来预测不同年龄的北美山羊的活体重。从巴基斯坦旁遮普省的六个私人畜群和两个政府农场记录了Beetal山羊的活体重和线性体重测量数据。最终数据文件包含5011个活体体重(LBW)和不同的身体测量值,即臀高(WH)、体长(BL)、胸围(CG)、胸宽(CW)和胸针骨宽(PW)。从2016年1月至2017年5月,通过吊秤(LBW)和裁缝胶带(其他所有)记录数量性状。动物年龄分为37个班,出生年龄班为0,月龄班为1(1-30天),以此类推,月龄班为36 (1051-1080d)。出生总体重(LBW)、平均体重(WH)、平均体重(BL)、平均体重(CG)、平均体重(CW)和平均体重(PW)分别为3.34和80.21(kg)、33.61和92.91、25.11和84.86、30.96和93.30、8.88和26.21、4.69和14.00 (cm)。3月龄和21月龄各体测量值对动物体重均有极显著影响(P≤0.05)。除0、1、2、7月龄外,其他月龄组仔猪CG与LBW极显著相关(P≤0.05)。除3、4、9、10、11、21、32和35月龄外,PW对LWB无显著影响。黄芪对3、7、10、11、12、14、15、16、17、20、21和35月龄动物的体重有极显著影响。总体而言,在26月龄前,体重对体重有显著影响。与回归结果一致,CG与LBW呈强正相关(0.921,P≤0.05),其次是BL (0.875, P≤0.05)、WH (0.864, P≤0.05)、CW (0.777, P≤0.05)和PW (0.725 P≤0.05)。线性回归模型的r平方值为0.85。综上所述,CG、BL、WH、CW和PW可作为预测山羊活体重的优先指标。这些体重测量可以与适当的体重组合成一个指数,以更准确地预测野外条件下的活体重。考虑到这些性状的遗传参数的精确估计,体型测量性状也可用于提高毛山羊生长速率的间接遗传选择。
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引用次数: 6
ENZYMATIC TREATMENT OF PALM KERNEL CAKE IMPROVES INTESTINAL HEALTH, GUT MICROBIOTA AND IMMUNE SYSTEM OF BROILERS 酶处理棕榈仁饼可改善肉鸡肠道健康、肠道菌群和免疫系统
IF 0.7 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.36899/japs.2020.3.0061
H. A. Aguzey, Z. Gao, H. H. Wu, G. Cheng, Z. Wu, J. H. Chen, Z. Niu
Palm kernel cake is a very important agro-industrial by-product from the production of palm kernel oil. It contains a lot of nutrients needed by chicken for growth and productivity but this potential is hindered because of the presence of mannan and other anti-nutritional factors. Mannans are made up of simple sugar D-mannose. Mannans comprise of a linear backbone of mannose residues joined by β-1, 4-mannosidic linkages comprising glucomannan, galactomannan and galactoglucomannan depending on carbohydrates or acid substitutions in the backbone. Enzymes have the ability to degrade this mannan component in order to make the nutrients available to the animals. Mannanoligosaccharides improve the development of small intestine of chicks during preand post-hatch periods, increasing the villi height, crypt depth and number of goblet cells per villus on the day of hatch. The activities of these enzymes help in increasing the population of beneficial microorganisms residing in the gastrointestinal tract of chicken. The surge in the beneficial microorganisms residing in the gastrointestinal region of chicken helps in boosting their immune system. Feeding palm kernel cake promotes growth and prevents diseases by boosting the immune system of broilers.
棕榈仁饼是棕榈仁油生产过程中重要的农工副产物。它含有鸡生长和生产所需的大量营养物质,但由于甘露聚糖和其他抗营养因素的存在,这种潜力受到阻碍。甘露糖是由单糖d -甘露糖组成的。甘露聚糖由甘露聚糖残基的线性骨架组成,由β- 1,4 -甘露聚糖键连接,由葡甘露聚糖、半乳甘露聚糖和半乳葡甘露聚糖组成,具体取决于骨架中的碳水化合物或酸取代。酶有能力降解这种甘露聚糖成分,以便使动物获得营养物质。甘露寡糖促进了雏鸡孵化前和孵化后小肠的发育,增加了雏鸡孵化当天的绒毛高度、隐窝深度和每绒毛杯状细胞数量。这些酶的活性有助于增加鸡胃肠道中有益微生物的数量。居住在鸡的胃肠道区域有益微生物的激增有助于提高他们的免疫系统。饲喂棕榈仁饼可增强肉鸡的免疫系统,促进肉鸡生长,预防疾病。
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引用次数: 4
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Journal of Animal and Plant Sciences
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