Embryonic heat conditioning increases lipolytic gene expression in broiler chicks at day 4 post-hatch.

(2004) who observed no difference in body weight of pullets subjected to cyclic (23.9°C for 8 h and 35°C for 4 h and the remaining 12 h as temperature transition) and constant heat stress (35°C), but after week 5 a difference was apparent.

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