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Effects of substitution of antibiotic growth promoter with organic acids mixture on some serum chemistry in broiler chicken

  • Mojtaba Haghighat (a1), Ali Asghar Saki (a1), Poya Zamani (a1) and Abed Rahmani (a1)

Extract

The addition of acids generally lowers the pH and buffering capacity of the diet, reduces pH within the stomach, increases both gastric proteolysis and nutrient digestibility, promotes beneficial bacteria at the expense of pathogenic organisms and decreases intestinal bacterial growth. As a consequence there is an improvement in gastrointestinal health, resulting in enhanced growth performance and improved feed efficiency. Mixture of Organic acids has shown to be an effective alternative to eliminate salmonellas in feeds and chickens. Organic acids reduce the pH in the digestive tract and are able to suppress the growth of undesired micro organisms, mainly in the upper part of the digestive tract depending on the place and rate of absorption. The faster the acids are absorbed the smaller is the pH lowering effect. This effect is directly influenced by the acid binding capacity of the diet. Therefore the aim of this study was to determine that antibiotic growth promoter could be replaced by a mixture of organic acids.

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