Genetic and physiological variation in two strains of Japanese quail

Journal of Genetic Engineering and Biotechnology

Table 3 Differences between jumbo and gray Japanese quail strains in marketing body weight and carcass characteristics

Indices		Body weight (g)	Dressing (%)	Liver (%)	Heart (%)	Intestine (%)	Gizzard (%)	Proventriculus (%)	Spleen (%)	Carcass yield (%)
Quail strain	Gender	Body weight (g)	Dressing (%)	Liver (%)	Heart (%)	Intestine (%)	Gizzard (%)	Proventriculus (%)	Spleen (%)	Carcass yield (%)
Jumbo	Male	296.0	75.96	1.673^c	0.913	3.472^c	2.026^a	0.410	0.079	80.57
Jumbo	Female	329.3	68.93	2.275^a	0.815	6.318^a	1.795^b	0.465	0.124	73.82
Gray	Male	254.7	71.21	1.187^d	0.762	3.995^b	1.934^ab	0.314	0.056	75.09
Gray	Female	304.0	59.06	2.034^b	0.644	6.061^a	1.985^a	0.335	0.084	63.72
SEM		8.320	1.936	0.125	0.030	0.377	0.033	0.019	0.008	1.919
Quail strain
Jumbo		312.7^a	72.44^a	1.974^a	0.864^a	4.895	1.910	0.437^a	0.101^a	77.19^a
Gray		279.3^b	65.13^b	1.611^b	0.703^b	5.028	1.959	0.324^b	0.070^b	69.41^b
SEM		3.186	0.900	0.028	0.011	0.066	0.034	0.010	0.005	0.937
Gender
Male		275.3^b	73.58^a	1.430^b	0.837^a	3.733^b	1.980	0.362^b	0.068^b	77.83^a
Female		316.7^a	64.00^b	2.155^a	0.730^b	6.189^a	1.890	0.400^a	0.104^a	68.77^b
SEM		3.186	0.900	0.028	0.011	0.066	0.034	0.010	0.005	0.937
Source of variation, p-value
Quail strain		< 0.001	< 0.001	< 0.001	< 0.001	0.191	0.335	< 0.001	0.002	< 0.001
Gender		< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	0.095	0.032	0.001	< 0.001
Quail strain × gender		0.114	0.079	0.015	0.582	0.003	0.018	0.282	0.253	0.120

Means in the same column within each classification bearing different letters are significantly different
SEM standard error of means