Coping with climate change; is white sheep more favorable than black?

Astuti, Putri Kusuma and Wanjala, George and Bagi, Zoltán and Kusza, Szilvia (2022) Coping with climate change; is white sheep more favorable than black? ÁLLATTENYÉSZTÉS ÉS TAKARMÁNYOZÁS, 71 (4). pp. 249-269. ISSN 0230-1814

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Abstract

Climate change and its impact on livestock production are a point of discussion nowadays. The impact of climate change, heat stress mainly, is negatively correlated to livestock production. In sheep, heat stress causes disruptions in the biological and physiological activities inside the body, resulting in hormonal imbalance, lower body growth and production, and reproduction impairment. Furthermore, the stress caused by the thermal condition does not promote animal welfare in the sheep population. Genetic factors determine coat color, and numerous genes have been identified as associated with it, including TRYP, MC1R, MLANA, OCA2, and others. Numerous studies indicate that light coat colors promote adaptation to hot environments owing to their ability to reflect sunlight more effectively than dark coat colors. Regardless, other research found no difference in adaption to a hot environment between light and dark coat colors. In the present work, authors summarized the effect of light and dark coat colors.

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