Carcass and skeletal analysis of laying lines of Japanese quail
2001
Przywarova, A. | Hrouz, J. | Klecker, D. (Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Chovu Hospodarskych Zvirat)
The present study was conducted to evaluate the effect of sex on skeleton proportions, carcass characteristics and body weight in three lines of Japanese quail. Quails were slaughtered at 68 days of age and 10 males and 10 females were analysed in each line. There were no differences in proportions of skeleton between the lines. Sex differences were found in the length of humerus, tibia, femur-thing bone (line 03), metatarsus (line 07) and ulna bone (line 20). The average live body weight of males ranged from 138.18 g (03) to 148.1 g (07), that of females from 165 g (20) to 173 g (03). The live body weight and the liver weight were significantly (P 0.01) higher in females. Significantly higher (P 0.01) weight of breast meat was achieved in line 03 (28.53 g) and line 20 (27.97 g). There were no significant differences in proportion of weight of breast meat in the live body weight of both sexes. The proportion of weight of thigh meat in the live body weight was significantly (P 0.01) higher in males (11.72 % - 12.65 %) than in females. The average weight of male carcasses was higher than that of females in all lines studied.
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