JOURNAL OF AGRICULTURAL SCIENCES-TARIM BILIMLERI DERGISI, cilt.26, sa.2, ss.212-219, 2020 (SCI-Expanded)
A trial was conducted to assess the effects of phytase supplementation and substitute Vitamin D-3 resource with Panbonis - a herbal vitamin D-3 source- (PAN) on performance, some carcass characteristics, tibia and serum parameters of broiler chickens. For this purpose, 11200 one-day-old, mixed sex (5600 male, 5600 female) Ross-308 chicks were administered 7 different diets based on corn, soybean and wheat throughout the 41-day trial. Dietary treatments; control group as T1 (5000 IU vitamin D-3), T2 (Ti + 500 FTU g(-1) phytase), T3 (3000 IU vitamin D-3 + 500 FTU g(-1) phytase + 100 mg kg(-1) PAN) and T4 (3000 IU vitamin D-3 + 500 FTU g(-1) phytase + 200 mg kg(-1) TAN) were prepared to contain recommended levels of Ca-P however T5, T6 and T7 were formulated from T2, T3 and T4, respectively, by reducing 18% of Ca and P concentrations.