提高奶牛同步发情的效率。

IF 1.5 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Journal of Advanced Veterinary and Animal Research Pub Date : 2024-03-31 eCollection Date: 2024-03-01 DOI:10.5455/javar.2024.k753
Mardan Julanov, Kumis Jumatayeva, Kanat Koibagarov, Orynbay Tagayev, Yerbulat Baitlessov, Nursulu Julanova
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引用次数: 0

摘要

研究目的本研究旨在确定生物活性物质和对母牛子宫的电刺激对同步发情效果的影响:在第 0 天和第 9 天注射两次促性腺激素释放激素,在第 7 天注射前列腺素 F2α,对 90 头哈萨克白头奶牛(n = 90)进行同步发情。奶牛被分为六组,并在方案期间接受生物活性物质治疗(Tetramag、Selevetum、抗菌刺激剂 Dorogov 2 fraction,第 2、3 和 4 组)。第 5 组和第 6 组的奶牛接受了相同物质的治疗,但另外对子宫进行了电刺激,而第 1 组的奶牛则未接受治疗,作为对照:结果表明,第 0 天,各组之间的 E2 浓度没有差异。但在第 10 天,第 6 组奶牛的 E2 水平与第 2 组、第 3 组、第 4 组和对照组相比有显著差异。相反,第 5 组和第 6 组之间没有发现明显差异。同样,与第 2、3、4 组和对照组相比,第 6 组奶牛的受胎率明显较高,而第 5 和第 6 组之间没有明显差异:可以得出结论,在发情同步方案中使用子宫电刺激和加入某些生物物质对哈萨克斯坦肉牛的繁殖性能有积极影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Improving the efficiency of estrus synchronization in cows.

Objective: This study aimed to determine the effects of biologically active substances and electrical stimulation of the uterus in cows on the effectiveness of estrus synchronization.

Materials and methods: Ninety (n = 90) Kazakh white-headed cows were synchronized with two injections of gonadotropin-releasing hormone on days 0 and 9 and prostaglandin F2α on day 7. The cows were divided into six groups and, during the protocol, treated with biologically active substances (Tetramag, Selevetum, antiseptic-stimulator Dorogov 2 fraction, groups 2, 3, and 4). Cows in groups 5 and 6 were treated with the same substances but additionally had electrical stimulation of the uterus, while cows in group 1 were left untreated and served as a control.

Results: The results have shown that on Day 0, no differences were observed in E2 concentrations between the groups. However, on the 10th day, a significant disparity was noted in the E2 level among cows in group 6 compared to groups 2, 3, 4, and the control group. Conversely, no significant differences were observed between groups 5 and 6. Likewise, the fertility rate in cows from group 6 was significantly higher compared to groups 2, 3, 4, and the control group, with no significant differences between groups 5 and 6.

Conclusion: It can be concluded that the utilization of electrical stimulation of the uterus and the inclusion of certain biological substances during the estrus synchronization protocol demonstrate a positive effect on the reproductive performance of beef cattle in Kazakhstan.

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来源期刊
CiteScore
2.70
自引率
7.10%
发文量
41
审稿时长
6 weeks
期刊介绍: Journal of Advanced Veterinary and Animal Research (JAVAR) - is an open access, international, peer-reviewed, quarterly, highly-indexed scientific journal publishing original research findings and reviews on all aspects of veterinary and animal sciences. Basic and applied researches on- - Anatomy & histology - Animal health economics - Animal nutrition - Animal reproduction - Animal science - Antimicrobial resistance (AMR) - Biochemistry - Biotechnology - Dairy science - Epidemiology - Food hygiene and technology - Genetics and breeding - Immunology - Microbiology - Parasitology - Pathology - Pharmacology & toxicology - Physiology - Poultry science - Preventive veterinary medicine - Public health - Surgery & obstetrics - Veterinary extension studies - Wildlife & aquatic medicine - Zoo animal medicine.
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