略阳乌鸡体重和产蛋数性状遗传参数估计

党李苹,周雯馨,刘瑞芳,白云,王哲鹏

Estimation of Genetic Parameters of Body Weight and Egg Number Traits of Lueyang Black-Boned Chicken

DANG LiPing,ZHOU WenXin,LIU RuiFang,BAI Yun,WANG ZhePeng

表1 5个时间点体重与3个时间点产蛋数描述统计

Table 1 Descriptive statistics of body weight at five periods and number of egg at three periods

性状¹⁾ Trait	性别 Sex	样本量 Sample size	半同胞家系数 Number of half-sibling family	全同胞家系数 Number of full-sibling family	均值 Mean	标准差 Standard deviation	变异系数 Coefficient of variation (%)	P值²⁾ P value
6周龄体重BW6	♂	773	71	332	0.56 kg	0.07	12.5	<0.001
6周龄体重BW6	♀	785	71	332	0.47 kg	0.06	12.8	<0.001
10周龄体重BW10	♂	551	53	244	1.07 kg	0.13	12.1	<0.001
10周龄体重BW10	♀	558	53	244	0.86 kg	0.12	14.0	<0.001
14周龄体重BW14	♂	566	56	256	1.56 kg	0.19	12.2	<0.001
14周龄体重BW14	♀	548	56	256	1.18 kg	0.16	13.6	<0.001
20周龄体重BW20	♂	375	71	315	1.97 kg	0.21	10.7	<0.001
20周龄体重BW20	♀	517	71	315	1.48 kg	0.19	12.8	<0.001
开产体重BWFE	♀	512	71	268	1.68 kg	0.23	14.0	N/A
31周龄产蛋数EN31	♀	486	71	266	31.2 枚	11.5	36.8	N/A
35周龄产蛋数EN35	♀	583	71	280	42.5 枚	16.7	39.2	N/A
40周龄产蛋数EN40	♀	601	71	282	54.7 枚	20.4	37.3	N/A