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Impact of osmoregulatory and methyl donor functions of betaine on intestinal health and performance in poultry

Published online by Cambridge University Press:  17 August 2009

B.U. METZLER-ZEBELI ,
M. EKLUND  and
R. MOSENTHIN
B.U. METZLER-ZEBELI
Affiliation:
Institute of Animal Nutrition, University of Hohenheim, Emil-Wolff-Str. 10, 70599 Stuttgart, Germany Present address: Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton T6G 2P5, Canada
M. EKLUND
Affiliation:
Institute of Animal Nutrition, University of Hohenheim, Emil-Wolff-Str. 10, 70599 Stuttgart, Germany
R. MOSENTHIN*
Affiliation:
Institute of Animal Nutrition, University of Hohenheim, Emil-Wolff-Str. 10, 70599 Stuttgart, Germany
*
Corresponding author: [email protected]
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Abstract

The present review focuses on potential nutritional and physiological functions of betaine in relation to health, performance and carcass characteristics in poultry. Due to its zwitterionic structure, betaine has osmoprotective properties that aid in protecting intestinal cells and thus counteracting performance losses during heat stress and coccidiosis. Hence, betaine might be an appropriate agent in the prevention of heat stress in livestock. In addition, during coccidiosis, the efficacy of betaine appears to be related to the Eimeria species, type of coccidiostat used and the severity of infection. As this compound has methyl donor properties, betaine is involved in methylation reactions in the organism and may therefore partly substitute other methyl group donors such as methionine and choline. Due to its methyl donor and osmoprotectant functions, recent research has shown that betaine improves nutrient digestibility, growth performance and feed conversion in broiler chicks, turkeys and meat ducks. Other potential benefits of the inclusion of betaine in poultry diets are lowering carcass fat content and increasing breast meat yield which may be of interest to satisfy consumer needs.

Keywords

betaineperformancecarcasshealthheat stresscoccidiosispoultry
Type
Review Article
Information
World's Poultry Science Journal , Volume 65 , Issue 3 , September 2009 , pp. 419 - 442
Copyright
Copyright © World's Poultry Science Association 2009

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