25 research outputs found

    Comparison of BUT Big 6 commercial turkey production performance in Iran with the breed standards

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    In order to evaluate the management of commercial turkey production and finding existing problems in Iran, 15 commercial flocks of BUT Big6 breed (including 72000 commercial turkeys) were selected randomly and monitored up to marketing age. In this study flock performances based on mean body weight and its coefficient of variation percentage, feed consumption, feed conversion rate, livability percentage and European Efficacy Factor were recorded in 15 flocks for each sex individually and statistically analyzed by SPSS program .The results showed that the mean body weight, livability percentage and European Efficacy Factor in all flocks were significantly lower than the breed's standards (
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