Growth Performance and Carcass Traits of Broiler Reared in Conventional and Organic Conditions
Abstract
This experiment was conducted to compare the growth and some carcass
characteristics of broiler chickens reared in conventional and organic
methods. Totally 360 days-old broiler chicks were divided into 6 groups
randomly with 3 replicates. Treatment groups were conventional, Organic
Control (OC), ad libilum Organic+Pasture (Adlib OP), 80\%
Organic+Pasture (OP 80), 70\% Organic+Pasture (OP 70), 50\%
Organic+Pasture (OP 50). Growth performance of conventional (6 weeks)
and organic groups (10 weeks) was investigated. Birds reared under
condition of conventional and organic were slaughtered at the end of 6
and 10 weeks of age, respectively. Feed restriction and diet consumed by
the birds had impacts (p<0.01.) on growth performance, feed consumption,
feed efficiency and carcass traits. The average body weights of
conventional, Adlib OP, OP 80,OP 70 and OP 50 groups were 2305.4,
1935.4, 3028.6, 2656.7 and 2789.6 g at the end of fattening period,
respectively. According to results of this study, it could be said that
if organic broiler production has to be done with fast growing birds and
feed restriction and access to outside with pasture designed for poultry
to contribute nutrient intake would be taken account. Moreover, 70 or
50\% feed restriction with shorter rearing period (8 weeks) could also
be practiced.
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