The welfare of slow growing broiler genotypes reared in organic system
Hasan Eleroglu, Arda Yildirim, Mustafa Duman, Ahmet Sekeroglu.
Abstract
This study was conducted to compare welfare indicators and some serum biochemical parameters of two different slow–growing genotypes (Hubbard S757; S757 and Hubbard Grey Barred JA; GB–JA) under organic housing system. A total of 240 day-old chicks were allocated randomly into 2 experimental group with 6 replicates and 20 chicks was reared in each replicate. The tonic immobility was a significant difference between genotypes and sex at 10 and 14 weeks, respectively (P0.05) in genotypes and sex. The effect of sex was significant for width of tarsometatarsus at the joint with tibiotarsus; males had greater fluctuating and relativite asymmetry than females (P
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