雌激素同步和卵泡发育模式在詹妮斯
Naerhulan Ayiken1, Yeertai Tuohudashen1, Younusi Huojiaabudula1
1College of Animal Science and Technology, Shihezi University, Shihezi 832003, China.
Journal of equine veterinary science
|February 7, 2026
概括
春季的CIDR+GnRH-PGF2α协议有效地同步了雌激素和改善了珍妮的受孕率. 观察到卵泡发育的品种差异,影响了最佳生殖效率的授精时间.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 生殖生物学 生殖生物学
- 动物科学动物科学
背景情况:
- 季节性变化和品种差异会影响珍妮的生殖效率.
- 对于中国品种来说,没有优化的雌激同步协议.
研究的目的:
- 比较三个激素的协议为雌激素同步在珍妮.
- 跨季节对德州和新疆尼的毛囊发育的特征.
主要方法:
- 238个珍妮接受了GnRH-PGF2α (两次时间) 或CIDR+GnRH-PGF2α.
- 记录了雌激,排卵和受孕率.
- 毛囊动态通过超声波评估在125个珍妮.
主要成果:
- 在4月至5月的CIDR+GnRH-PGF2α产生了更高的雌激素 (85.0%) 和受孕率 (81.3%).
- 与7月至8月相比,4月至5月的生殖结果优于7月至8月.
- 新疆珍妮的卵泡生长速度更快;德州珍妮的卵泡在排卵前的卵泡更大.
结论:
- 春季的CIDR+GnRH-PGF2α是珍妮雌激同步和怀孕的最有效的协议.
- 品种特定的毛囊发育模式决定了受精时间.
- 在排卵过程中没有检测到卵巢侧面化.
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