| 猪白细胞抗原和生殖激素水平对产仔性能的影响 |
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| 引用本文： | 季海峰,刘彦,莫余忠,高翚,张春英. 猪白细胞抗原和生殖激素水平对产仔性能的影响[J]. 华北农学报, 2000, 15(2): 128-132 |
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| 作者姓名： | 季海峰 刘彦 莫余忠 高翚 张春英 |
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| 作者单位： | 北京市农林科学院畜牧兽医研究所,北京,100089 |
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| 基金项目： | 科技部专项基金，北京市科技新星计划项目，，，， |
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| 摘 要： | 对２３２头经产母猪进行了ＳＬＡ分型、生殖激素水平和产仔性状测定，其中，Ｄ型母猪的产仔性能显著高于其他类型，表明ＳＬＡ分型可以成为猪繁殖性能的辅助选择遗传标记；在母猪泌乳阶段，促黄体素（ＬＨ）、雌激素（Ｅ２）和孕酮（Ｐ４）的水平都较低，在配种阶段，雌激素分泌达到峰值，在怀孕１５ｄ时，促黄体素和孕酮的分泌达到峰值。高产、中产和低产母猪在各生理阶段的激素水平差异不显著，难以预测产仔数的多少。
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| 关 键 词： | 猪 白细胞抗原 生殖激素 产仔性能 |
| 修稿时间： | 1999-11-12 |
Influence of SLA and Reproductive Hormones on Litter Size |
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| JI Hai-feng,LIU Yan,MO Yu-zhong,GAO Hui,ZHANG Chun-ying. Influence of SLA and Reproductive Hormones on Litter Size[J]. Acta Agriculturae Boreali-Sinica, 2000, 15(2): 128-132 |
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| Authors: | JI Hai-feng LIU Yan MO Yu-zhong GAO Hui ZHANG Chun-ying |
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| Abstract: | Two hundred and thirty two sows were studied to determine the influence of SLA and reproductive hormones on litter size Compared with other SLA type sows,type D had higher reproduction.So SLA type might be used as a genetic marker in reproduction selection.During the lactation,LH,E 2 and P 4 levels kept low .E 2 reached its peak at breeding stage.LH and P 4 reached their peaks on the 15th day of pregnancy.LH,E 2 and P 4 at different stages showed no significant differences among higher,middle and lower reproduction sows,which indicated that to predict litter size of sows with difference of hormone levels was difficult. |
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| Keywords: | SLA Hormone Litter size Sow |
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