Effects of Organic Zinc and Probiotic on Carcass Characteristics of Broiler Chickens Under Heat Stress Conditions
DOI:
https://doi.org/10.59675/V317Keywords:
Broilers, Organic Zinc, Probiotic, Heat Stress, and carcass characteristics.Abstract
This study aimed to evaluate the impact of heat stress (HS) on carcass characteristics of broiler chickens fed with organic zinc and probiotics. A total of 250-day-old (Ross 308) chicks were randomly divided into five groups (50 chicks per group), with two replicates for each group. The negative control treatment (T1) received a basal diet without HS. The second treatment received a basal diet under HS as a positive control (T2). The third treatment (T3) was fed a basal diet with added zinc (1 g/kg) under the influence of heat stress. The fourth treatment (T4) was fed a basal diet with added probiotics (1 g/kg) under the influence of heat stress. The fifth treatment (T5) was fed a basal diet with zinc + probiotics (1 g zinc + 1 g probiotics/kg). The carcass and edible offal characteristics of groups T5, then, T4, and T3 showed a significant improvement (P≤0.05) as compared to the control groups. In conclusion, adding zinc plus probiotics to the diet under heat stress might improve carcass characteristics.
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