Pub Date : 2023-10-28DOI: 10.11648/j.avs.20231105.13
Adnan Yousaf, Dad Muhammad Anwar, Mehtab Ahmed, Imran Qaiser, Rasheed Ahmed Rabbani, Ajeet Sing Berjang, Lookesh Kumar, Faiza Habib
{"title":"Diagnosis and Control of Peste Des Petits (PPR) in Small Ruminants: A Comprehensive Review<br /> <div> <br /> </div>","authors":"Adnan Yousaf, Dad Muhammad Anwar, Mehtab Ahmed, Imran Qaiser, Rasheed Ahmed Rabbani, Ajeet Sing Berjang, Lookesh Kumar, Faiza Habib","doi":"10.11648/j.avs.20231105.13","DOIUrl":"https://doi.org/10.11648/j.avs.20231105.13","url":null,"abstract":"","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139311882","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}
The experiment conducted at Pawe Agricultural Research Center, with the objective to evaluate Begaria bulls for attaining the required export market weight of 300kg and their carcass characteristics of under different feeding options. The experiment conducted for ninety days. The experimental treatments were: (T1), Natural pasture hay + 2500 gram maize grain + 390 gram soybean grain, (T2), Natural pasture hay + 2500 gram maize grain + 530 gram noug seed cake (NSC), (T3), Natural pasture hay + 2500 gram maize grain + 182 gram soybean grain + 268 gram NSC, and (T4), Natural pasture hay + 2500 gram maize grain + 268 gram soybean grain + 134 gram NSC. Natural pasture hay was provided to the bulls adlibitum throughout the experimental periods and concentrate supplements were provided twice a day with pre-determined amount. Experimental animals (bulls) fed on T3 were showed higher in total dry matter intake (7.86kg/day), crud protein intake (743.92gr/day), final body weight (262.80kg), average daily gain (0.99kg) and slaughter body weight (268.75kg). Feeding Begaria bulls with combinations in treatment three can result in better performance. Achieving the export market weight (300kg) of Begaria bulls may need further investigation and better management at growing stages of the bulls.
{"title":"Effect of Different Feed Options on Growth Response of Two Years Aged Begaria Bulls for Export Market Weight Gain at Pawe Agricultural Research Center","authors":"Mezgebu Getnet, Bainesagn Worku, Yalew Abiyu, Tesfaye Alemu","doi":"10.11648/j.avs.20231105.12","DOIUrl":"https://doi.org/10.11648/j.avs.20231105.12","url":null,"abstract":"The experiment conducted at Pawe Agricultural Research Center, with the objective to evaluate Begaria bulls for attaining the required export market weight of 300kg and their carcass characteristics of under different feeding options. The experiment conducted for ninety days. The experimental treatments were: (T1), Natural pasture hay + 2500 gram maize grain + 390 gram soybean grain, (T2), Natural pasture hay + 2500 gram maize grain + 530 gram noug seed cake (NSC), (T3), Natural pasture hay + 2500 gram maize grain + 182 gram soybean grain + 268 gram NSC, and (T4), Natural pasture hay + 2500 gram maize grain + 268 gram soybean grain + 134 gram NSC. Natural pasture hay was provided to the bulls adlibitum throughout the experimental periods and concentrate supplements were provided twice a day with pre-determined amount. Experimental animals (bulls) fed on T3 were showed higher in total dry matter intake (7.86kg/day), crud protein intake (743.92gr/day), final body weight (262.80kg), average daily gain (0.99kg) and slaughter body weight (268.75kg). Feeding Begaria bulls with combinations in treatment three can result in better performance. Achieving the export market weight (300kg) of Begaria bulls may need further investigation and better management at growing stages of the bulls.","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135579707","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}
Pub Date : 2023-09-20DOI: 10.11648/j.avs.20231105.11
Hermes Kang
This article summarizes the development plans of traditional distributors in the poultry feed industry, including the layout and distribution of poultry feed marketing channels. The in-depth development of businesses is elaborated in steps, which has certain reference value for promoting channels and brand coverage in the traditional poultry farming industry. The author of this article has been mainly engaged in channel research in China's aquaculture industry for more than 15 years, trying to find a channel that best matches China's agricultural and animal husbandry industry. In improving the company's channel model, we have made use of 23 major laying hen breeding provinces, 237 townships and nearly 700 laying hen terminal dealers visited in 9 years of practical work. Collect a large number of on-site sample data, combined with my channel management theory. Using quantitative and qualitative analysis and quantitative research methods combined with experience summary methods, a complete set of professional papers suitable for the seven-step development of traditional dealers is created. This article uses research methods such as literature analysis, interviews, and induction. Firstly, point out the current situation of distributors; Analyzing the problems in dealer development and management, it is found that there are a series of problems in dealer development, such as unclear goals, unclear responsibilities, lack of development methods, as well as a lack of performance assessment, motivation, and maintenance strategies in management. Based on this issue, according to the theoretical principles of terminal demand, a seven step deep development strategy and implementation method should be proposed according to the channel architecture. Finally, establish a data-driven management method for performance evaluation of cooperating dealers, increase cooperation enthusiasm through incentive policies for product prices and channel promotions, maintain cooperation relationships through the establishment of channel dealer loyalty and channel conflict management, establish competitive advantages of channels, and establish a set of channel development theories and methods that can be promoted and used.
{"title":"Deepening Seven Steps of Development for Traditional Distributors in Poultry Feed Industry--With DSM ANH Channel Management as an Example","authors":"Hermes Kang","doi":"10.11648/j.avs.20231105.11","DOIUrl":"https://doi.org/10.11648/j.avs.20231105.11","url":null,"abstract":"This article summarizes the development plans of traditional distributors in the poultry feed industry, including the layout and distribution of poultry feed marketing channels. The in-depth development of businesses is elaborated in steps, which has certain reference value for promoting channels and brand coverage in the traditional poultry farming industry. The author of this article has been mainly engaged in channel research in China's aquaculture industry for more than 15 years, trying to find a channel that best matches China's agricultural and animal husbandry industry. In improving the company's channel model, we have made use of 23 major laying hen breeding provinces, 237 townships and nearly 700 laying hen terminal dealers visited in 9 years of practical work. Collect a large number of on-site sample data, combined with my channel management theory. Using quantitative and qualitative analysis and quantitative research methods combined with experience summary methods, a complete set of professional papers suitable for the seven-step development of traditional dealers is created. This article uses research methods such as literature analysis, interviews, and induction. Firstly, point out the current situation of distributors; Analyzing the problems in dealer development and management, it is found that there are a series of problems in dealer development, such as unclear goals, unclear responsibilities, lack of development methods, as well as a lack of performance assessment, motivation, and maintenance strategies in management. Based on this issue, according to the theoretical principles of terminal demand, a seven step deep development strategy and implementation method should be proposed according to the channel architecture. Finally, establish a data-driven management method for performance evaluation of cooperating dealers, increase cooperation enthusiasm through incentive policies for product prices and channel promotions, maintain cooperation relationships through the establishment of channel dealer loyalty and channel conflict management, establish competitive advantages of channels, and establish a set of channel development theories and methods that can be promoted and used.","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136377756","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}
Pub Date : 2023-09-14DOI: 10.11648/j.avs.20231104.12
Berhanu Tassew Dassie
An experiment was conducted to evaluate apparent dry matter and nutrient digestibility of hay of vetch varieties supplemented to sheep fed a basal diet of fodder oat hay. Thirty-five yearling intact male sheep were assigned to one of the five treatments in a randomized complete block design. The dietary treatments were ad libitum fodder oat hay alone (T1) and ad libitum fodder oat hay supplemented with 350g hay of Gebisa, Lalisa, Abdeta and Vicia sativa vetch varieties for T2, T3, T4 and T5 respectively. The Digestibility trial lasted for 10 days. Supplementation of the vetch varieties increased dry matter digestibility by 11.6 and 1.9% for T2 and T3, respectively and by 3.6% for T4 and T5 compared to the control. Among the supplemented groups, supplementation of Gebisa vetch variety (T2) induced the highest (65.2%) dry matter digestibility. Supplementation of the vetch varieties increased the crude protein digestibility by 15.3, 6.2, 5.9 and 8.2% for T2, T3, T4 and T5, respectively compared to the un-supplemented treatment. Among the supplemented treatments, T2 induced significantly higher (P<0.001) crude protein digestibility than T3, T4 and T5. In conclusion, supplementation of Gebisa vetch variety (T2) induced highest dry matter and nutrient digestibility than all other treatments. Therefore, Gebisa vetch variety should be introduced and scaled up widely for sheep feeding.
{"title":"Apparent Dry Matter and Nutrient Digestibility of Different Varieties of Vetch Hay Supplemented to Arsi Bale Sheep Fed a Basal Diet of Fodder Oat Hay","authors":"Berhanu Tassew Dassie","doi":"10.11648/j.avs.20231104.12","DOIUrl":"https://doi.org/10.11648/j.avs.20231104.12","url":null,"abstract":"An experiment was conducted to evaluate apparent dry matter and nutrient digestibility of hay of vetch varieties supplemented to sheep fed a basal diet of fodder oat hay. Thirty-five yearling intact male sheep were assigned to one of the five treatments in a randomized complete block design. The dietary treatments were <i>ad libitum</i> fodder oat hay alone (T1) and <i>ad libitum</i> fodder oat hay supplemented with 350g hay of Gebisa, Lalisa, Abdeta and <i>Vicia sativa</i> vetch varieties for T2, T3, T4 and T5 respectively. The Digestibility trial lasted for 10 days. Supplementation of the vetch varieties increased dry matter digestibility by 11.6 and 1.9% for T2 and T3, respectively and by 3.6% for T4 and T5 compared to the control. Among the supplemented groups, supplementation of Gebisa vetch variety (T2) induced the highest (65.2%) dry matter digestibility. Supplementation of the vetch varieties increased the crude protein digestibility by 15.3, 6.2, 5.9 and 8.2% for T2, T3, T4 and T5, respectively compared to the un-supplemented treatment. Among the supplemented treatments, T2 induced significantly higher (P<0.001) crude protein digestibility than T3, T4 and T5. In conclusion, supplementation of Gebisa vetch variety (T2) induced highest dry matter and nutrient digestibility than all other treatments. Therefore, Gebisa vetch variety should be introduced and scaled up widely for sheep feeding.","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134970360","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}
Pub Date : 2023-07-26DOI: 10.11648/j.avs.20231104.11
B. Ahmed
{"title":"Investigation on Major Cause of Organ Condemnation and Its Economic Significance in Cattle Slaughtered in Chiro Municipal Abattoir, Ethiopia","authors":"B. Ahmed","doi":"10.11648/j.avs.20231104.11","DOIUrl":"https://doi.org/10.11648/j.avs.20231104.11","url":null,"abstract":"","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"50 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79789340","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}
Pub Date : 2023-06-06DOI: 10.11648/j.avs.20231103.13
Mbenoun Masse Paul Serge, Mbansie Gbetkom Loudh, Mbansie Yede, Ngo Libong Sipora Glwadys, Mamno Totuom Clarette Sidoine, Bilong Bilong Charles Felix
{"title":"Differences in Life History Traits and Morphology in Wild vs. Domesticated Populations of Black Soldier Fly, <i>Hermetia illucens</i> (Diptera: Stratiomyidae)","authors":"Mbenoun Masse Paul Serge, Mbansie Gbetkom Loudh, Mbansie Yede, Ngo Libong Sipora Glwadys, Mamno Totuom Clarette Sidoine, Bilong Bilong Charles Felix","doi":"10.11648/j.avs.20231103.13","DOIUrl":"https://doi.org/10.11648/j.avs.20231103.13","url":null,"abstract":"","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139370681","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}
Pub Date : 2023-05-29DOI: 10.11648/j.avs.20231103.12
Fikadu Wodajo Tirfie
: This review focuses on the genetic and non-genetic parameter estimation for dairy cattle milk composition. Milk is the most widely consumed food in the world, containing proteins, fats, lactose, and various vitamins and minerals. Milk's solids content has a direct impact on both its nutritional and economic value. The milk composition trait performances had obtained in the range from 3.5±0.0038 to 6.1±0.05 for fat percentage, 3.07±0.03 to 4.7±0.09 for protein percentage, 3.3 to 5.52±1.71 for lactose content, 12.16±0.14 to 16.02±0.05 for total solid content and 8.47±0.1 to 9.37±0.24 for the solid not fat content of cow milk, respectively. The composition of cow milk is influenced by breed, animal age and health, lactation phase, nutrition, season, milking method, number of lactations, and individual cows. The heritability of milk composition trait ranged from 0.24 to 0.49±0.03 for fat percentage, 0.28 to 0.53±0.009 for protein percentage, 0.41±0.04 to 0.59 for total solid content and 0.17 to 0.68 for the solid not fat content of cow milk, respectively. The repeatability of fat, protein, total solid and solid not fat percentage of bovine milk ranged between 3.9 to 0.98, 0.4 to 0.99, 0.49 to 0.99 and 0.23 to 0.78, respectively. The genetic and phenotypic correlation between fat and solid not fat of cow milk were weakly positive (0.16±0.15, 0.06 ±0.04), whereas a strong positive relationship was found between protein content and solid not fat of cow milk (0.99±0.05, 0.67±0.03), respectively. Enhancing milk compositional quality through genetic selection based on individual performance is successful.
{"title":"A Review of Genetic and Non-Genetic Parameter Estimates for Milk Composition of Cattle","authors":"Fikadu Wodajo Tirfie","doi":"10.11648/j.avs.20231103.12","DOIUrl":"https://doi.org/10.11648/j.avs.20231103.12","url":null,"abstract":": This review focuses on the genetic and non-genetic parameter estimation for dairy cattle milk composition. Milk is the most widely consumed food in the world, containing proteins, fats, lactose, and various vitamins and minerals. Milk's solids content has a direct impact on both its nutritional and economic value. The milk composition trait performances had obtained in the range from 3.5±0.0038 to 6.1±0.05 for fat percentage, 3.07±0.03 to 4.7±0.09 for protein percentage, 3.3 to 5.52±1.71 for lactose content, 12.16±0.14 to 16.02±0.05 for total solid content and 8.47±0.1 to 9.37±0.24 for the solid not fat content of cow milk, respectively. The composition of cow milk is influenced by breed, animal age and health, lactation phase, nutrition, season, milking method, number of lactations, and individual cows. The heritability of milk composition trait ranged from 0.24 to 0.49±0.03 for fat percentage, 0.28 to 0.53±0.009 for protein percentage, 0.41±0.04 to 0.59 for total solid content and 0.17 to 0.68 for the solid not fat content of cow milk, respectively. The repeatability of fat, protein, total solid and solid not fat percentage of bovine milk ranged between 3.9 to 0.98, 0.4 to 0.99, 0.49 to 0.99 and 0.23 to 0.78, respectively. The genetic and phenotypic correlation between fat and solid not fat of cow milk were weakly positive (0.16±0.15, 0.06 ±0.04), whereas a strong positive relationship was found between protein content and solid not fat of cow milk (0.99±0.05, 0.67±0.03), respectively. Enhancing milk compositional quality through genetic selection based on individual performance is successful.","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"73 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90820653","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}
Pub Date : 2023-05-10DOI: 10.11648/j.avs.20231103.11
Bilkiss Vinode Maureen Assani, Simplice Bosco Ayssiwede, Mohamed Sallim Kinnou, Félix Victor Latyr Mbengue, A. Missohou, N. Slimane
: The intensification of livestock production in response to the growing demand for animal products is increasingly creating new challenges in terms of control of livestock management and feeding, and especially reproduction. Also, ewes are often considered responsible for infertility problems in a sheep flock, as the reproductive capacity of rams is often taken for granted. However, it is important to have genetically superior males to improve the overall fertility of the herd. And, one way to control the sexual performance of rams and improve their fertilizing capacity, is to have them undergo melatonin treatment. The objective of this study was to evaluate the effects of the use of melatonin implants on testicular and spermatic parameters of rams raised in stations in the Niayes area of Senegal. The experimental herd consisted of 6 rams of well-known body characteristics which were followed for 2 months during which testicular measurements were carried out at the beginning and semen was collected by electroejaculation every 2 weeks. After a break of 2 weeks, the same rams are implanted with melatonin (MELOVINE ®) at a rate of 3 implants/ram, i.e. a dose of 54 mg of melatonin per ram, and the same measurements and semen collections are again carried out for 2 months. Data on antero-posterior testicular diameter, testicular weight, scrotal circumference, and semen analysis (volume, color, appearance, mass and individual motility, concentration, morphology) recorded and processed with Excel were exported to the SPSS software where they were subjected to descriptive statistical analysis and independent sample comparison testing. The results showed that melatonin treatment significantly reduced weight (555±155 g vs. 396±128 g) and antero-posterior diameter (23.42±2.0 cm vs. 20.10±2.26 cm). However, it induced improvements in ejaculate volume, color, and appearance, sperm production, and morphological abnormality rate, and, most significantly, sperm motility (2.1±1.5 vs. 3.3±1.2) and survival rate (54±34% vs. 80±31%) of spermatozoa. Melatonin has therefore improved the sperm characteristics of rams, and is an interesting reproductive management tool for improving the productivity of sheep farms. It can be recommended for use in artificial insemination centres in order to improve the characteristics of the semen doses produced.
为满足对动物产品日益增长的需求，畜牧生产的集约化日益给畜牧管理和饲养，特别是繁殖的控制带来新的挑战。此外，母羊通常被认为是造成羊群不孕问题的原因，因为公羊的繁殖能力通常被认为是理所当然的。然而，拥有基因优越的雄性对于提高牛群的整体生育能力是很重要的。而且，控制公羊的性表现和提高其受精能力的一种方法是让它们接受褪黑素治疗。本研究的目的是评估使用褪黑激素植入物对塞内加尔尼亚耶斯地区饲养的公羊睾丸和精子参数的影响。试验选用6只公羊，对其进行为期2个月的随访，试验开始时进行睾丸测量，每2周电射精采集一次精液。休息2周后，同样的公羊被植入褪黑激素(MELOVINE®)，以每只公羊3次植入的速度，即每只公羊54毫克的褪黑激素剂量，同样的测量和精液收集再次进行2个月。将经Excel记录处理的前后睾丸直径、睾丸重量、阴囊周长、精液分析(体积、颜色、外观、质量及个体活力、浓度、形态)数据导出至SPSS软件进行描述性统计分析和独立样本比较检验。结果显示，褪黑素治疗显著降低体重(555±155 g对396±128 g)和前后径(23.42±2.0 cm对20.10±2.26 cm)。然而，它诱导了射精量、颜色和外观、精子产量和形态异常率的改善，最显著的是精子活力(2.1±1.5 vs. 3.3±1.2)和精子存活率(54±34% vs. 80±31%)。因此，褪黑素改善了公羊的精子特征，是提高绵羊农场生产力的一种有趣的生殖管理工具。它可以推荐用于人工授精中心，以改善所产生的精液剂量的特性。
{"title":"Evaluation of the Effects of Melatonin Implants on Testicular and Spermatic Parameters of Rams Raised in Station in the Niayes Zone in Senegal","authors":"Bilkiss Vinode Maureen Assani, Simplice Bosco Ayssiwede, Mohamed Sallim Kinnou, Félix Victor Latyr Mbengue, A. Missohou, N. Slimane","doi":"10.11648/j.avs.20231103.11","DOIUrl":"https://doi.org/10.11648/j.avs.20231103.11","url":null,"abstract":": The intensification of livestock production in response to the growing demand for animal products is increasingly creating new challenges in terms of control of livestock management and feeding, and especially reproduction. Also, ewes are often considered responsible for infertility problems in a sheep flock, as the reproductive capacity of rams is often taken for granted. However, it is important to have genetically superior males to improve the overall fertility of the herd. And, one way to control the sexual performance of rams and improve their fertilizing capacity, is to have them undergo melatonin treatment. The objective of this study was to evaluate the effects of the use of melatonin implants on testicular and spermatic parameters of rams raised in stations in the Niayes area of Senegal. The experimental herd consisted of 6 rams of well-known body characteristics which were followed for 2 months during which testicular measurements were carried out at the beginning and semen was collected by electroejaculation every 2 weeks. After a break of 2 weeks, the same rams are implanted with melatonin (MELOVINE ®) at a rate of 3 implants/ram, i.e. a dose of 54 mg of melatonin per ram, and the same measurements and semen collections are again carried out for 2 months. Data on antero-posterior testicular diameter, testicular weight, scrotal circumference, and semen analysis (volume, color, appearance, mass and individual motility, concentration, morphology) recorded and processed with Excel were exported to the SPSS software where they were subjected to descriptive statistical analysis and independent sample comparison testing. The results showed that melatonin treatment significantly reduced weight (555±155 g vs. 396±128 g) and antero-posterior diameter (23.42±2.0 cm vs. 20.10±2.26 cm). However, it induced improvements in ejaculate volume, color, and appearance, sperm production, and morphological abnormality rate, and, most significantly, sperm motility (2.1±1.5 vs. 3.3±1.2) and survival rate (54±34% vs. 80±31%) of spermatozoa. Melatonin has therefore improved the sperm characteristics of rams, and is an interesting reproductive management tool for improving the productivity of sheep farms. It can be recommended for use in artificial insemination centres in order to improve the characteristics of the semen doses produced.","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"69 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78747848","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}
Pub Date : 2023-04-23DOI: 10.11648/j.avs.20231102.14
Zhao Futang, Lin Shifeng
{"title":"Cause Analysis and Countermeasures of Human Infection in Sheep Brucellosis Immunization","authors":"Zhao Futang, Lin Shifeng","doi":"10.11648/j.avs.20231102.14","DOIUrl":"https://doi.org/10.11648/j.avs.20231102.14","url":null,"abstract":"","PeriodicalId":7842,"journal":{"name":"Animal and Veterinary Sciences","volume":"53 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74674766","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}
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