Evaluation the Effects of Dietary Mineral and Vitamin Supplements Reduction or Withdrawal in Grower and Finisher Diets on Performance of Broilers

Subject Areas : Journal of Large Animal Clinical Science Research(JLACSR)

Received: 2021-07-06 Accepted : 2021-07-06 Published : 2008-06-21

Keywords: performance, broilers, mineral and vitamin premixes,

Abstract :

This experiment was conducted to evaluate the effects of reduction or withdrawal of mineral and vitamin supplements from grower and finisher diets on performance of broilers. In this study, with a completely randomized design with 5 treatments and 3 replicate with 20 chicks in per replicate with totally three hundred broiler chicks of Ross- 308 strain investigated for eight weeks in three periods of starter (0-21 days), grower (21-42 days) and finisher (42-56 days). The recommended levels of mineral and vitamin supplements (5 kg/ ton) In control group were present in all breeding periods, where as in four other groups the amount of mineral and vitamin supplements were reduced or removed in grower and finisher periods. The overall results of the present study indicate that it's possible to remove dietary mineral and vitamin supplements from grower and finisher diets of broiler without any significantly effects on performance and carcass traits (P>0.05). Therefore, this can be economically reducing the final production price of white meat. 

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