Nataša Šterbenc, Janko Mrkun, Špela Petročnik, Meta Sterniša, Maja Zakošek Pipan
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引用次数: 0
摘要
抗勒氏激素(AMH)是绵羊卵巢储备的生物标志物,仅由颗粒细胞产生。这项研究比较了两个斯洛文尼亚品种的AMH水平:季节性繁殖的isstrska pramenka (IP)和全年繁殖的jezersko - sol ava (JS)。采用羊AMH酶联免疫吸附试验对78只绵羊发情期血清样本进行了分析。JS羊按年龄分组(1-3岁、4-6岁、≥7岁),而IP羊以≥7岁为主。不同品种间AMH含量差异显著(p < 0.001), JS羊浓度较高。JS品种间无年龄相关差异(p = 0.752),但7岁以上的JS羊AMH高于同年龄的IP羊(p < 0.001)。产2只羔羊的母羊AMH水平也较高(p < 0.001),且与产仔数呈正相关,尤其是产7岁以上的JS羊(p < 0.001)。这些发现表明AMH在绵羊中是一个有用的生育标记,尽管品种特定的参考值对于准确的解释是必不可少的。该研究强调了品种和年龄对AMH水平的影响及其在预测生殖性能方面的潜在作用。
Comparative Analysis of Anti-Müllerian Hormone Concentration in Two Indigenous Slovenian Sheep Breeds.
Anti-Müllerian hormone (AMH), produced only by granulosa cells, is a biomarker for ovarian reserve in sheep. This study compared AMH levels in two Slovenian breeds: Istrska pramenka (IP), a seasonal breeder, and Jezersko-Solčava (JS), which reproduces year-round. Blood serum samples from 78 sheep were analyzed during the estrus period using an ovine AMH ELISA. JS sheep were grouped by age (1-3, 4-6, ≥ 7 years), while the majority of IP sheep were ≥7 years. AMH levels differed significantly between breeds (p < 0.001), with JS sheep showing higher concentrations. No age-related differences were found within the JS breed (p = 0.752), but JS sheep ≥ 7 years had higher AMH than IP sheep of the same age (p < 0.001). AMH levels were also higher in ewes lambing two lambs (p < 0.001) and were positively correlated with litter size, particularly in the JS sheep ≥ 7 years (p < 0.001). These findings suggest AMH is a useful fertility marker in sheep, although breed-specific reference values are essential for an accurate interpretation. The study highlights the influence of breed and age on AMH levels and its potential role in predicting reproductive performance.
AnimalsAgricultural and Biological Sciences-Animal Science and Zoology
CiteScore
4.90
自引率
16.70%
发文量
3015
审稿时长
20.52 days
期刊介绍:
Animals (ISSN 2076-2615) is an international and interdisciplinary scholarly open access journal. It publishes original research articles, reviews, communications, and short notes that are relevant to any field of study that involves animals, including zoology, ethnozoology, animal science, animal ethics and animal welfare. However, preference will be given to those articles that provide an understanding of animals within a larger context (i.e., the animals'' interactions with the outside world, including humans). There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental details and/or method of study, must be provided for research articles. Articles submitted that involve subjecting animals to unnecessary pain or suffering will not be accepted, and all articles must be submitted with the necessary ethical approval (please refer to the Ethical Guidelines for more information).