| 东北半细毛羊发情周期的观察 |
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| 引用本文： | 丛慧敏 诸葛文娟 等. 东北半细毛羊发情周期的观察[J]. 家畜生态, 2002, 23(3): 21-23 |
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| 作者姓名： | 丛慧敏 诸葛文娟 等 |
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| 作者单位： | [1]东北农业大学动科院，黑龙江哈尔滨150030 [2]威海市兽医站，山东威海264200 |
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| 摘 要： | 在繁殖季节，对准备用作胚胎移植受体的280只适龄东北细毛羊母羊进行了为期126d的定时定点观察，并结合胚胎移植手术对其卵巢类型进行了观测，结果表明7月下旬－－11月下旬间，各月上、中、下旬羊的发情率为17％－64％，发情周期为16．98d(15.00-17.36d)，发情持续期为19.67h(14.62－25.84h），功能黄体及功能黄体＋卵泡型卵巢类型占85．5％。
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| 关 键 词： | 东北半细毛羊 发情周期 卵巢 黄体 |
Observation on the Heat Period of East-north Hemifine-wool Sheep |
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| CONG Hui min ,LI Wu ,ZHU GE Wen juan ,SUN Jian lin. Observation on the Heat Period of East-north Hemifine-wool Sheep[J]. Ecology of Domestic Animal, 2002, 23(3): 21-23 |
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| Authors: | CONG Hui min LI Wu ZHU GE Wen juan SUN Jian lin |
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| Affiliation: | CONG Hui min 1,LI Wu 1,ZHU GE Wen juan 2,SUN Jian lin 3 |
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| Abstract: | On the period of bearing, observed the 280 East north Hemifine wool sheep which was ready to be used as the accept ones to transplant the embryo for 126 days. The observation was made in a regular time and objects, combined the observation of the types of their organ of ovary with the operation of embryo transplantation. The result showed the estrous rate 17%~64%, the estrous cycle was 16.98 days (15.00~17.36 d), estrus duration was 19.67 h (14.62~25.84 h), type of functionary corpus luteum and functionary corpus luteum + ovarian follicle are 85.5%. |
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| Keywords: | east north Hemifine wool sheep estrus ovary corpus luteum |
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