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Effects of Different Source of Dietary Non-Starch Polysaccharides on Growth Performance, Physiological Characteristics and Gene Expression of GLUT2 in Chickens

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Abstract:

Growth and physiological characteristics of meat-type chicken such as serum immunoglobulin concentration, digesta pH and viscosity, pancreatic enzyme activity, organelle weights, and gene expression of intestinal GLUT2 of chickens was studied by means of 375 day-old chicks which randomly assigned to three treatments with five replicates in a completely randomized design. Two different types of cereal-based diets (wheat, and barley) were used as experimental groups and a corn-based diet was also considered to serve as control group. All diets had similar contents of crude protein, energy, and total non-starch polysaccharides (NSP). Results indicated that different dietary source of NSP had significantly (P<0.01) affected growth traits, so barley and wheat diets had maximum feed intake and feed conversion rate, inversely minimum weight gain than corn diet. Intestinal physicochemical characteristics such as pH and viscosity of digesta significantly (P<0.01) changed by different dietary source of NSP. Wheat and barley diets had minimum pH, and inversely maximum viscosity compared to corn diet. The maximum values of fat pad and liver percentage, in contrary, minimum values of pancreas and gut length belonged to corn diet (P<0.01). Serum immunoglobulin concentrations of IgG and IgM for wheat and barley diets were higher than their counterparts fed on corn (P<0.01). Gene expression of intestinal GLUT2 of chickens based on mean fold change after feeding of wheat or barley was at upper level compared to corn diet (P<0.01). In conclusion, based on findings of present study, feeding of different dietary NSP sources to broiler chickens significantly affected growth traits and internal organelle percentages, as well as physiological and immune responses. Also gene expression of intestinal GLUT2 well affected by cereal NSP sources through feeding of wheat or barley.

Info:

Periodical:
International Journal of Pharmacology, Phytochemistry and Ethnomedicine (Volume 6)
Pages:
21-29
DOI:
10.18052/www.scipress.com/IJPPE.6.21
Citation:
M. Kalantar and M. H. Kalantar, "Effects of Different Source of Dietary Non-Starch Polysaccharides on Growth Performance, Physiological Characteristics and Gene Expression of GLUT2 in Chickens", International Journal of Pharmacology, Phytochemistry and Ethnomedicine, Vol. 6, pp. 21-29, 2017
Online since:
Jan 2017
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