Effect of supplementations of vitamin E and organic selenium on productive performance of broiler breeders

Nutrition supplementation in broiler breeder diets are necessary to provide the nutritional requirements for optimal performance of flock after significant genetic improvement production performance. The study aimed determine effect adding vitamin E and organic selenium diet Rose 308 productive reproductive traits. experimental consist 60 hens 10 cocks at 41 weeks age. birds divided into four groups treatments application, each treatment had three replicates (five per replication). first T1 fed a standard without addition (control) containing 15% crude protein metabolic energy 2775 kilocalories / kg diet, T2 used 500 mg supplementation, T3 ration plus 0.5 (Availa powder) T4 mixture proportions mg, respectively.