Significant improvements in the performance of commercially reared broilers have been made during the last half of the twentieth century. The changes are believed to have resulted from genetic selection for faster growth, improved nutrition and flock health, and better management practices. In this survey we aimed to investigate the roll of human management on production performance of broiler flocks in northeast of Iran. Ninety four flocks were chosen randomly and their performance during summer of 2007 filled out in systematic questionnaires. Management information included farmer age, related education, and practical background of farmer in poultry science, short time education, having technical manager or not. Production performances such as livability, slaughter age, production unite, feed conversion, average weight, production per square meter, and daily gain (g) were measured. Data were analyzed in a standard least squares model with slaughter age as covariate variable. Results showed that related education had significant effect on livability (P<0.05) and slaughter age (P<0.01). Only twenty six percent of farmers had education over high school. Farmers who had master degree could maximize the livability percent and minimize the slaughter age. Also, farmers who took part in short time education training could increase the livability range (P<0.05). Having a technical manager could influence on slaughter age (P<0.05), so that slaughter age was increased in the case of not having a technical manager. Slaughter age could affect on livability, production unite, feed conversion, average of weight, and daily gain (for all traits; P<0.01). Feed conversion, average of weight had positive relationship with slaughter age, but livability, production unite, and daily gain were decreased by increasing of slaughter age. It seems that knowledge of related education, took part in short time training, and having a technical manager could have an important roll in improvement of production performances in broiler flocks.

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