مهدی خدایی مطلق

Milk production is the main goals to establish dairy farm. Some factors for example heat stress effect on milk production. In this study, has been investigated the views of Laban complex dairy farmers about the effects of heat stress on milk production. Questionnaires completed and were analyzed by SPSS software. The results showed that more than 95% of farmers believed that heat stress can reduce milk production. On the other hand, 50% of farmer believed that the heat stress did not effect on birth weight calves.