| 四川铜羊(山地型)若干繁殖性能的研究 |
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| 引用本文： | 曾文先,刘相模,姚梦娟,程济栋,汪清佑.四川铜羊(山地型)若干繁殖性能的研究[J].四川农业大学学报,1988(4). |
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| 作者姓名： | 曾文先 刘相模 姚梦娟 程济栋 汪清佑 |
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| 作者单位： | 四川农业大学畜牧系，四川农业大学畜牧系，四川农业大学畜牧系，四川农业大学畜牧系，汶川县成都麻羊站 |
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| 摘 要： | 四川铜羊(山地型)较早熟,公、母羔的初情期分别为90日龄和75日龄左右。发情周期为20.6天,发情持续期为41.8小时。产后第一次发情时间和发情持续期分别为76.7天和30.0小时。发情开始后36至40小时开始排卵,排卵数平均为2.0个。产羔数平均为1.8头。怀孕期为149.8天。
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| 关 键 词： | 山羊(49ME) 繁殖(45AD 45MF 49EF) |
STUDY ON REPRODUCTIVE CAPACITY OF SICHUAN BROWN GOAT |
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| Zeng Wenxian et al.STUDY ON REPRODUCTIVE CAPACITY OF SICHUAN BROWN GOAT[J].Journal of Sichuan Agricultural University,1988(4). |
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| Authors: | Zeng Wenxian |
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| Abstract: | This paper focuses on the reproductive capacity of Sichuan Brown Goat.The male and the female kids reached their puberty at the age of 3 months and 2.5 months respectively.The duration and the cycle of their oestrus were 41.8 hours and 20.6 days repectively.The duration and the interval of post-partum oestrus were 33.0 hours and 76.6 dars repectively. The ovulation occurred between 35 and 40 hours after the onset of ocstrus. The average number of the ovulation was 2.0.The mean litter was 1.8. The gestation period was 149.8 days. |
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| Keywords: | GOAT BREEDING PUBERTY LITTER OVULATION GESTATION |
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