Early-age thermal manipulation and supplemental antioxidants on physiological, biochemical and productive performance of broiler chickens in hot-tropical environments

Autor: Aderanti Ifeoluwa Oni, John Adesanya Abiona, Adeboye Olusesan Fafiolu, Oyegunle Emmanuel Oke
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Stress, Vol 27, Iss 1 (2024)
Druh dokumentu: article
ISSN: 10253890
1607-8888
1025-3890
DOI: 10.1080/10253890.2024.2319803
Popis: AbstractHeat stress has been ranked as a critical environmental issue confronting chicken farmers worldwide because of its detrimental effect on the growth, performance and health of the birds. This study evaluated the effects of early-age thermal manipulation (EATC) and supplemental antioxidants on the physiological responses of broilers in a hot tropical environment. A total of 300 day-old Ross broiler chicks were allocated to five thermal and dietary treatments, having 5 replicates of twelve birds each. The treatments were: chicks reared using the conventional method (CC), chicks exposed to early thermal manipulation with a temperature of 38 °C at day 5 with no antioxidant supplementation (TC), TC plus vitamin E at 250 mg/kg of feed (TV), TC plus selenium at 0.5 mg/kg of feed (TS) and the combination of TS and TV(TVS). The experiment was laid out in a Completely Randomized Design and data collected were analyzed using SAS (2008). The results showed that TVS broilers had significantly higher (P
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