Osmoregulatory function of betaine in alleviating heat stress in poultry

Journal of Animal Physiology and Animal Nutrition
Adi Ratriyanto, Rainer Mosenthin

Abstract

This review focuses on the osmoregulatory function of betaine and its effect in terms of alleviating heat stress in poultry. Poultry appear to be particularly sensitive to temperature-associated environmental challenges, especially heat stress. High ambient temperatures are deleterious to productive performance in poultry, including broilers, laying hens, quails and turkeys, resulting in considerable economic losses. Heat stress impairs overall poultry production by decreasing feed intake and negatively affecting intestinal development, leading to reduced nutrient digestibility. Apart from inducing a high mortality rate, heat stress is known to depress growth rate and reduce meat yield in broilers. In layers, lower feed intake impairs ovarian function, leading to decreased feed efficiency, egg production and egg quality. In addition, reduced immune functions, such as thyroid activity and antibody production, are evident in poultry exposed to heat stress. Heat stress increases the production of oxidants, causing oxidative stress and lipid peroxidation of cell membranes. Poultry respond physiologically and behaviourally when encountering the negative effects of heat stress, attempting to return the body to homeostasis. This requi...Continue Reading

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Citations

Jul 30, 2020·Animals : an Open Access Journal From MDPI·Sanjeev WastiBirendra Mishra
Oct 8, 2020·International Journal of Biometeorology·G D VandanaShane K Maloney
May 1, 2021·Animals : an Open Access Journal From MDPI·Jared RuffGuillermo Tellez-Isaias
May 1, 2021·The Journal of Poultry Science·Chao WenYanmin Zhou

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