黄淮山羊产羔数与胎次的关联性分析

doi:10.12160/j.issn.1672-5190.2022.06.012

畜牧与饲料科学 ›› 2022, Vol. 43 ›› Issue (6): 68-71.doi: 10.12160/j.issn.1672-5190.2022.06.012

黄淮山羊产羔数与胎次的关联性分析

姚逸安¹,孙仁修²,姜俊芳³,管峰¹

1.中国计量大学生命科学学院，浙江杭州 310018
2.山东省畜牧总站，山东济南 250022
3.浙江省农业科学院畜牧兽医研究所，浙江杭州 310021

收稿日期:2022-10-09 出版日期:2022-11-30 发布日期:2022-12-19
通讯作者: 管峰（1977—），男，副教授，博士，硕士生导师，主要研究方向为动物繁殖育种。
作者简介:姚逸安（1997—），男，硕士研究生，主要研究方向为生物化学与分子生物学。
基金资助:
浙江省科技厅十四五重大育种专项(2021C02068-6);国家自然科学基金项目(31672394);新疆兵团中青年科技创新领军人才计划专项(2018CB025);新疆兵团中青年科技创新领军人才计划专项(2018CB027);国家绒毛用羊产业技术体系(CARS-39)

Correlation Analysis between Litter Size and Parity in Huanghuai Goat

YAO Yi-an¹,SUN Ren-xiu²,JIANG Jun-fang³,GUAN Feng¹

1. College of Life Sciences，China Jiliang University，Hangzhou 310018，China
2. Animal Husbandry General Station of Shandong Province，Ji′nan 250022，China
3. Institute of Animal Husbandry and Veterinary Science，Zhejiang Academy of Agricultural Sciences，Hangzhou 310021，China

Received:2022-10-09 Online:2022-11-30 Published:2022-12-19

摘要/Abstract

摘要：

[目的]研究黄淮山羊产羔数与胎次的关联性。[方法]对71只黄淮山羊母羊1~5胎次的产羔数据进行统计分析，将平均胎产羔数≤2和最高胎产羔数≤2的母羊归类为低产群体（n=37），将平均胎产羔数>2的母羊归类为高产群体（n=34），比较分析不同胎次与产羔数之间的关系。[结果]黄淮山羊平均胎产羔数2.56只，高产母羊群平均胎产羔数3.66只，低产母羊群平均胎产羔数1.66只。总体来看，母羊总群体和高产母羊群平均胎产羔数随着胎次的增加呈现先上升后下降的趋势，产羔数峰值均处于第3胎与第4胎之间。母羊总群体和高产母羊群产羔数与胎次的回归方程分别为Y₁=0.753X-0.096X²+1.394和Y₂=1.497X-0.196X²+1.400。[结论]黄淮山羊高产母羊群在第1~2胎便表现出良好的繁殖性能，母羊总群体、高产母羊群的产羔数随着胎次增加呈现倒“U”形，低产母羊群产羔数受胎次影响较小。

关键词: 黄淮山羊, 产羔数, 胎次, 关联性分析

Abstract:

[Objective] This study was conducted to assess the correlation between litter size and parity of Huanghuai goat. [Method] The lambing record data of a total of 71 female Huanghuai goats with parities ranging from 1 to 5 were statistically analyzed. The goats with average litter size per parity and maximum litter size per parity less than or equal to 2 were categorized in low yield group （n=37）, and those with average litter size per parity more than 2 were categorized in high yield group （n=34）. The correlation between litter size and parity was evaluated. [Result] The average litter size per parity of Huanghuai goats was 2.56, and that of high yield group and low yield group was 3.66 and 1.66, respectively. In general, the average litter size per parity of the entire female goat population and the high yield group increased initially before declining as parity increased, peaking between the third and fourth parity. The regression equations of litter size and parity for the entire female goat population and the high yield group were Y₁ = 0.753X-0.096X²+1.394 and Y₂= 1.497X-0.196X²+1.400, respectively. [Conclusion] The high yield group of female Huanghuai goats demonstrated good reproductive performance in the first or second parities. The change of litter size of the entire female goat population and the high yield group presented an inverted U shape with the increase of parity, while litter size of the low yield group was less affected by parity.

Key words: Huanghuai goat, litter size, parity, correlation analysis

中图分类号:

S827.3

姚逸安, 孙仁修, 姜俊芳, 管峰. 黄淮山羊产羔数与胎次的关联性分析[J]. 畜牧与饲料科学, 2022, 43(6): 68-71.

YAO Yi-an, SUN Ren-xiu, JIANG Jun-fang, GUAN Feng. Correlation Analysis between Litter Size and Parity in Huanghuai Goat[J]. Animal Husbandry and Feed Science, 2022, 43(6): 68-71.

图/表 1

参考文献 27

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黄淮山羊产羔数与胎次的关联性分析

Correlation Analysis between Litter Size and Parity in Huanghuai Goat

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