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Asian Journal of Poultry Science
Year: 2009  |  Volume: 3  |  Issue: 4  |  Page No.: 132 - 137

Growth, Feed Consumption and Carcass Composition of Coturnix japonica, Coturnix ypsilophorus and their Reciprocal Crosses

Nasrollah Vali    

Abstract: A study was conducted to compare Body Weight (BW), feed intake, feed efficiency up to 49 days of age and carcass characteristics of two quail strains namely, (Co: Japanese quail (Coturnix japonica), Ra: Range quail (Coturnix ypsilophorus) and their reciprocal crosses H1: Hybrid 1(Ra♂xCo♀) and H2: Hybrid 2 (Co♂xRa♀) in four hatches. Body weights of four groups (Co, Ra, H1 and H2) at 1, 7, 14, 21, 28, 35, 42, 49, 56 and 63 days of ages between of four groups were significantly different (p<0.1). Body weight of female at 49, 56 and 63 days of age were significantly higher than males, but there was no significant difference between male and females at the other recorded BW (p>0.05). Feed intake of H2 group was also significantly larger than that other groups (p<0.01), while feed efficiency of four groups were not different (p>0.05). At 49 days of age, Carcass percentages, breast percents, wing weights and giblet weights of four groups were significantly different (p<0.01), while there was no significant difference for carcass weights (eviscerated), breast weights, carcass rests (thigh, leg and back) among them (p>0.05). Carcass weights, carcass percents, breast weights were significantly affected by sex (p<0.01), while sex for breast percents was not effective (p>0.05). Heterosis percents for the BW at 1 to 63 days of ages were estimated. Heterosis was positive for BW at 1, 14, 21, 28, 49, 56 and 63 days of ages, while other of ages was negative.

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