萨福克羊主要经济性状的遗传参数计非遗传因素分析

doi:10.6048/j.issn.1001-4330.2024.07.030

新疆农业科学 ›› 2024, Vol. 61 ›› Issue (7): 1814-1820.DOI: 10.6048/j.issn.1001-4330.2024.07.030

• 草业·农业装备工程与机械化·畜牧兽医 • 上一篇

萨福克羊主要经济性状的遗传参数计非遗传因素分析

陈胜磊¹(), 孙国智¹, 张国威¹, 马海玉¹, 刘玲玲¹, 张维忠², 刘武军¹^,²()

1.新疆农业大学动物科学学院,乌鲁木齐 830052
2.新疆日发新西域玛纳斯牧业有限公司,新疆玛纳斯 832200

收稿日期:2023-12-10 出版日期:2024-07-20 发布日期:2024-09-04
通信作者: 刘武军(1966-),女,河南人,教授,博士,硕士生/博士生导师,研究方向为动物遗传育种,(E-mail)lwj_ws@163.com
作者简介:陈胜磊(1998-),男,新疆伊犁人,硕士研究生,研究方向为动物遗传育种,(E-mail)1046167066@qq.com
基金资助:
国家重点研发计划项目(2021YFD1600702-1);新疆维吾尔自治区多浪羊品种选育推广技术体系(2021XJXQZY-DLY-01);新疆维吾尔自治区乡村振兴产业发展科技行动(2021NC024)

Estimation of genetic parameters and analysis of the effects of non-genetic factors on major economic traits in Suffolk sheep

CHEN Shenglei¹(), SUN Guozhi¹, ZHANG Guowei¹, MA Haiyu¹, LIU Lingling¹, ZHANG Weizhong², LIU Wujun¹^,²()

1. College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
2. Rifa New Xiyu Manas Animal Husbandry Co. Ltd., Manas Xinjiang 832200, China

Received:2023-12-10 Published:2024-07-20 Online:2024-09-04
Supported by:
National Key R & D Program Project(2021YFD1600702-1);Dolang Sheep Breed Selection and Promotion Technology System of Xinjiang Uygur Autonomous Region(2021XJXQZY-DLY-01);Rural Revitalization Industry Development Science and Technology Action Project of Xinjiang Uygur Autonomous Region(2021NC024)

摘要/Abstract

摘要：

【目的】分析萨福克羊主要经济性状的遗传参数,研究非遗传因素对萨福克羊主要经济性状的影响。【方法】2017~2023年共收集新疆玛纳斯种羊场萨福克羊4 156只,并进行个体鉴定记录,利用DMU软件估计主要经济性状遗传参数,并使用SAS软件分析萨福克羊出生类型、出生年份、群别、胎次和母羊年龄等5个固定效应对各性状的影响。【结果】萨福克羊初生重、周岁重、胸围的遗传力分别为0.17、0.27和0.31,属于中等遗传力;日增重遗传力为0.05,属于低遗传力;体高、体长遗传力为0.38和0.41,属于高遗传力。除了胸围与体高、体长之间存在遗传负相关外,其余性状均呈正相关,体高和胸围与日增重存在较强遗传相关和表型相关性,且两者遗传力均较高。单胎的初生重、日增重、周岁重、体长、胸围均显著高于双胎;初生重、日增重处于上升趋势,群1中初生重、日增重、周岁重显著高于群2,群2中体高、体长、胸围显著高于群1;2、3、4胎次的羊初生重、日增重、体高显著高于1、5胎次;母羊年龄在2、3、4岁时初生重显著高于1岁,日增重、周岁重1、2岁显著高于3、4岁,其他性状间无显著差异。【结论】萨福克羊体高、体长属于高遗传力,初生重、周岁重、胸围属于中等遗传力,日增重属于低遗传力,除了胸围与体高、体长之间存在遗传负相关外,其余性状均呈正相关。该场萨福克羊群体2017~2019年早期生长性状呈上升趋势,2胎或3胎母羊繁殖性均达到最佳水平。

关键词: 萨福克羊; 遗传参数; 非遗传参数; 经济性状

Abstract:

【Objective】This project aims to estimate the genetic parameters of the main economic traits of Suffolk sheep and to analyze the effects of non-genetic factors on the main economic traits. traits【Methods】In this experiment, a total of 4,156 individual identification records of Suffolk sheep from 2017-2023 in Xinjiang Manas breeding farm were collected, and the DMU software was used to estimate the genetic parameters of the main economic traits, and the SAS software was used to analyze the effects of five fixed effects, including birth type, year of birth, group, litter size, and age of the ewe on each trait. 【Results】The heritability of the main economic traits in Suffolk sheep was 0.17, 0.27, 0.31 in birth weight, weekly weight and chest circumference, respectively, while the heritability of 0.05 for daily weight gain was low, and the heritability of 0.38 for body height and 0.41 for body length were high, except for the negative correlation of chest circumference with body height and body length, the other traits showed positive correlation and the correlation of body height and chest circumference with daily weight gain was low. There were strong genetic and phenotypic correlations between height and chest circumference and daily weight gain, and the heritability of both was high. The birth weight, daily weight gain, weekly weight, body length and chest circumference of single fetuses were significantly higher than those of twin fetuses; the birth weight and daily weight gain of single fetuses were in an upward trend during the period of birth year; the birth weight, daily weight gain and weekly weight of group 1 were significantly higher than those of group 2, and the body height, length and chest circumference of group 2 were significantly higher than that of group 1; in the number of litters, the birth weight, daily weight gain and body height of litters 2, 3 and 4 were significantly higher than those of litters 1 and 5; The age of ewes at 2, 3 and 4 years old was significantly higher than that of 1 year old, daily weight gain and weekly weight at 1 and 2 years old were significantly higher than those of 3 and 4 years old, and there was no significant difference among other traits. 【Conclusion】Soffolk sheep are tall,the heritability of body length is high,weight at birth,weight at the age of one year,chest circumference belongs to medium heritability.The heritability of daily weight gain was low.There was a negative genetic correlation between chest circumference and body height and body length.The other traits were positively correlated.The soffolk sheep herd 2017-2019 early growth traits showed an upward trend.The fecundity of 2 or 3 ewes reached the best level.

Key words: Suffolk sheep; genetic parameters; non-genetic parameters; economic

中图分类号:

S826

陈胜磊, 孙国智, 张国威, 马海玉, 刘玲玲, 张维忠, 刘武军. 萨福克羊主要经济性状的遗传参数计非遗传因素分析[J]. 新疆农业科学, 2024, 61(7): 1814-1820.

CHEN Shenglei, SUN Guozhi, ZHANG Guowei, MA Haiyu, LIU Lingling, ZHANG Weizhong, LIU Wujun. Estimation of genetic parameters and analysis of the effects of non-genetic factors on major economic traits in Suffolk sheep[J]. Xinjiang Agricultural Sciences, 2024, 61(7): 1814-1820.

图/表 5

表1 萨福克羊生长性状统计

Tab.1 Descriptive statistics of growth shape in Suffolk sheep

项目 Items	样本量 N	最小值 Min	最大值 Max	均值 AVG	标准差 SD	变异系数 CV (%)
初生重Birth weight(kg)	3 874	3	5.5	4.47	0.83	15.18
日增重Daily gain(kg)	3 651	0.15	0.23	0.19	0.20	10.44
周岁重One year old heavy(kg)	3 984	65	89	76.64	7.02	9.14
体高Height(cm)	3 540	51	80	65.58	8.53	13.01
体长Length(cm)	3 571	49	85	66.89	10.67	15.94
胸围Chest measurement(cm)	3 810	69	120	94.24	15.247	16.18

表2 萨福克羊各性状的最小二乘方差

Tab.2 Least squares ANOVA for each trait in suffolk sheep

因素 Factors	初生重 Birth weight		日增重 Daily gain		周岁重 One year old heavy		体高 Height		体长 Length		胸围 Chest measurement
因素 Factors	MS	df	MS	df	MS	df	MS	df	MS	df	MS	df
出生类型 Birth type	9.75^**	1	0.01^**	1	82.20^*	1	150.21^**	1	197.33^**	1	38.99^*	1
出生年份 Year of birth	0.85^**	6	0.04^**	6	34.13^ns	6	13.08^ns	6	14.90^ns	6	20.26^ns	6
群别 Group	82.71^**	1	0.04^**	1	144.89^**	1	117.78*	1	75.07*	1	267.12^**	1
胎次 Birth order	0.89^**	4	0.05^**	4	6.78^**	4	90.98^**	4	37.78^ns	4	66.52^ns	4
母羊年龄 Ewe age	1.24^**	3	0.05^**	3	173.82^**	3	35.53^ns	3	20.04^ns	3	92.31^ns	3

表3 萨福克羊各性状的最小二乘均数(LMS)和标准误(SE)

Tab.3 Table of Least Squares Means (LMS) and Standard Errors (SE) for each trait in suffolk sheep

因素 Factors	水平 Level	初生重 Birth weight LMS±SE	日增重 Daily gain LMS±SE	周岁重 One year old heavy LMS±SE	体高 Height LMS±SE	体长 Length LMS±SE	胸围 Chest measurement LMS±SE
出生类型 Birth type	单	5.75±0.07^Aa	0.192±0.002^Aa	43.95±0.41^Aa	64.38±0.40^Aa	70.12±0.38^Aa	94.53±0.58^Aa
出生类型 Birth type	双	4.36±0.06^Bb	0.161±0.002^Bb	42.05±0.37^Bb	65.60±0.36^Bb	68.72±0.42^Bb	93.91±0.64^Bb
出生年份 Year of birth	2017	4.44±0.09^Aa	0.185±0.001^Bb	43.77±0.67^Aa	64.65±0.65^Aa	69.20±0.68^Aa	94.28±1.04^Aa
	2018	4.55±0.10^Aa	0.188±0.002^Bb	42.51±0.65^Aa	65.45±0.63^Aa	70.15±0.66^Aa	94.62±1.01^Aa
	2019	4.50±0.10^ABab	0.192±0.002^Bb	42.64±0.60^Aa	65.39±0.57^Aa	69.66±0.60^Aa	93.82±0.93^Bb
	2020	4.40±0.11^Bb	0.193±0.001^Bb	42.11±0.57^Aa	64.32±0.55^Aa	68.80±0.58^Bb	93.54±0.89^Bb
	2021	4.45±0.11^Bb	0.191±0.002^Bb	41.92±0.56^Aa	65.45±0.54^Aa	69.41±0.57^Aa	95.12±0.87^Cc
	2022	4.50±0.10^Bb	0.198±0.003^Aa	42.28±0.63^Aa	64.80±0.61^Aa	68.88±0.64^Bb	94.36±0.98^Aa
	2023	4.77±0.11^Aa	0.201±0.003^Aa	43.26±0.69^Aa	64.87±0.66^Aa	69.89±0.69^Aa	93.82±1.06^ABab
群别 Group	1	4.00±0.06^Aa	0.20±0.002^Aa	43.14±0.40^Aa	64.65±0.65^Bb	68.88±0.40^Aa	93.35±0.62^Aa
群别 Group	2	5.03±0.06^Bb	0.18±0.003^Bb	41.86±0.40^Bb	65.45±0.63^Aa	69.96±0.41^Bb	95.10±0.63^Bb
胎次 Birth order	1	4.53±0.015^Bb	0.202±0.002^Aa	42.79±0.36^Aa	64.51±0.35^Bb	68.82±0.37^B	94.31±0.56^Aa
	2	4.46±0.016Cc	0.198±0.002^Aa	42.22±0.44^Aa	66.39±0.42^Aa	70.14±0.45^Aa	95.65±0.68^Aa
	3	4.62±0.018^Aa	0.199±0.002^Aa	42.76±0.44^Bb	66.03±0.42^Aa	69.91±0.45^Aa	95.09±0.68^Aa
	4	4.59±0.014^ABab	0.198±0.005^Bb	42.51±0.87^Bb	64.12±0.84^Bb	68.83±0.88^Bb	92.96±1.35^Aa
	5	4.39±0.014^Dd	0.192±0.006^Cc	42.22±1.08^ACac	63.89±1.04^Bb	69.43±1.09^Aa	93.10±1.67^Aa
母羊年龄 Ewe age	1	4.13±0.04^Aa	0.202±0.002^Aa	44.01±0.44^Aa	64.62±0.42^Aa	69.95±0.6^Aa	93.14±0.68^Aa
	2	4.59±0.06^Bb	0.204±0.002^Aa	43.49±0.44^Aa	64.37±0.42^Aa	69.75±0.65^Aa	93.87±0.68^Aa
	3	4.61±0.04^Bb	0.182±0.003^Bb	40.59±0.59^Bb	65.09±0.62^Aa	68.9±0.44^Aa	94.23±1.00^Aa
	4	4.55±0.01^Bb	0.198±0.003^Bb	41.91±0.65^Bb	65.89±0.57^Aa	69.08±0.44^Aa	95.66±0.92^Aa

表3 萨福克羊各性状的最小二乘均数(LMS)和标准误(SE)

Tab.3 Table of Least Squares Means (LMS) and Standard Errors (SE) for each trait in suffolk sheep

因素 Factors	水平 Level	初生重 Birth weight LMS±SE	日增重 Daily gain LMS±SE	周岁重 One year old heavy LMS±SE	体高 Height LMS±SE	体长 Length LMS±SE	胸围 Chest measurement LMS±SE
出生类型 Birth type	单	5.75±0.07^Aa	0.192±0.002^Aa	43.95±0.41^Aa	64.38±0.40^Aa	70.12±0.38^Aa	94.53±0.58^Aa
出生类型 Birth type	双	4.36±0.06^Bb	0.161±0.002^Bb	42.05±0.37^Bb	65.60±0.36^Bb	68.72±0.42^Bb	93.91±0.64^Bb
出生年份 Year of birth	2017	4.44±0.09^Aa	0.185±0.001^Bb	43.77±0.67^Aa	64.65±0.65^Aa	69.20±0.68^Aa	94.28±1.04^Aa
	2018	4.55±0.10^Aa	0.188±0.002^Bb	42.51±0.65^Aa	65.45±0.63^Aa	70.15±0.66^Aa	94.62±1.01^Aa
	2019	4.50±0.10^ABab	0.192±0.002^Bb	42.64±0.60^Aa	65.39±0.57^Aa	69.66±0.60^Aa	93.82±0.93^Bb
	2020	4.40±0.11^Bb	0.193±0.001^Bb	42.11±0.57^Aa	64.32±0.55^Aa	68.80±0.58^Bb	93.54±0.89^Bb
	2021	4.45±0.11^Bb	0.191±0.002^Bb	41.92±0.56^Aa	65.45±0.54^Aa	69.41±0.57^Aa	95.12±0.87^Cc
	2022	4.50±0.10^Bb	0.198±0.003^Aa	42.28±0.63^Aa	64.80±0.61^Aa	68.88±0.64^Bb	94.36±0.98^Aa
	2023	4.77±0.11^Aa	0.201±0.003^Aa	43.26±0.69^Aa	64.87±0.66^Aa	69.89±0.69^Aa	93.82±1.06^ABab
群别 Group	1	4.00±0.06^Aa	0.20±0.002^Aa	43.14±0.40^Aa	64.65±0.65^Bb	68.88±0.40^Aa	93.35±0.62^Aa
群别 Group	2	5.03±0.06^Bb	0.18±0.003^Bb	41.86±0.40^Bb	65.45±0.63^Aa	69.96±0.41^Bb	95.10±0.63^Bb
胎次 Birth order	1	4.53±0.015^Bb	0.202±0.002^Aa	42.79±0.36^Aa	64.51±0.35^Bb	68.82±0.37^B	94.31±0.56^Aa
	2	4.46±0.016Cc	0.198±0.002^Aa	42.22±0.44^Aa	66.39±0.42^Aa	70.14±0.45^Aa	95.65±0.68^Aa
	3	4.62±0.018^Aa	0.199±0.002^Aa	42.76±0.44^Bb	66.03±0.42^Aa	69.91±0.45^Aa	95.09±0.68^Aa
	4	4.59±0.014^ABab	0.198±0.005^Bb	42.51±0.87^Bb	64.12±0.84^Bb	68.83±0.88^Bb	92.96±1.35^Aa
	5	4.39±0.014^Dd	0.192±0.006^Cc	42.22±1.08^ACac	63.89±1.04^Bb	69.43±1.09^Aa	93.10±1.67^Aa
母羊年龄 Ewe age	1	4.13±0.04^Aa	0.202±0.002^Aa	44.01±0.44^Aa	64.62±0.42^Aa	69.95±0.6^Aa	93.14±0.68^Aa
	2	4.59±0.06^Bb	0.204±0.002^Aa	43.49±0.44^Aa	64.37±0.42^Aa	69.75±0.65^Aa	93.87±0.68^Aa
	3	4.61±0.04^Bb	0.182±0.003^Bb	40.59±0.59^Bb	65.09±0.62^Aa	68.9±0.44^Aa	94.23±1.00^Aa
	4	4.55±0.01^Bb	0.198±0.003^Bb	41.91±0.65^Bb	65.89±0.57^Aa	69.08±0.44^Aa	95.66±0.92^Aa

表4 萨福克羊主要经济性状差组分及遗传力估计

Tab.4 Difference components and heritability estimates for major economic traits in Suffolk sheep

性状 Traits	${σ_{a}}^{2}$	${σ_{e}}^{2}$	${σ_{p}}^{2}$	h²
初生重Birth weight(kg)	0.18	0.87	1.05	0.17
日增重Daily gain(kg)	0.12	0.26	0.38	0.05
周岁重 One year old heavy(kg)	19.84	53.47	73.31	0.27
体高Height(cm)	17.63	28.7	46.33	0.38
体长Length(cm)	13.66	19.65	33.31	0.41
胸围 Chest measurement(cm)	9.43	20.97	30.41	0.31

表4 萨福克羊主要经济性状差组分及遗传力估计

Tab.4 Difference components and heritability estimates for major economic traits in Suffolk sheep

性状 Traits	${σ_{a}}^{2}$	${σ_{e}}^{2}$	${σ_{p}}^{2}$	h²
初生重Birth weight(kg)	0.18	0.87	1.05	0.17
日增重Daily gain(kg)	0.12	0.26	0.38	0.05
周岁重 One year old heavy(kg)	19.84	53.47	73.31	0.27
体高Height(cm)	17.63	28.7	46.33	0.38
体长Length(cm)	13.66	19.65	33.31	0.41
胸围 Chest measurement(cm)	9.43	20.97	30.41	0.31

表5 萨福克羊经济性状间的遗传相关和表型相关性

Tab.5 Genetic and phenotypic correlations among economic traits in Suffolk sheep

性状 Traits	初生重 Birth weight	日增重 Daily gain	周岁重 One year old heavy	体高 Height	体长 Length	胸围 Chest measurement
初生重Birth weight(kg)		0.73^**	0.58^**	0.87^**	0.43^**	0.22^**
日增重Daily gain(kg)	0.14		0.42^**	0.97^**	0.30^ns	0.12^ns
周岁重One year old heavy(kg)	0.71	0.86		0.93^**	0.39^**	0.31^**
体高Height(cm)	0.18	0.26	0.33		0.37^**	0.22^**
体长Length(cm)	0.26	0.20	0.31	0.19		0.23^**
胸围Chest measurement(cm)	0.76	0.78	0.54	-0.49	-0.53

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萨福克羊主要经济性状的遗传参数计非遗传因素分析

Estimation of genetic parameters and analysis of the effects of non-genetic factors on major economic traits in Suffolk sheep

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