Effects of glutamine on growth performance of weanling piglets

X.T. Zou, G.H. Zheng, X.J. Fang and J.F. Jiang
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X.T. Zou: Feed Science Institute, Zhejiang University, Hangzhou, China
G.H. Zheng: Feed Science Institute, Zhejiang University, Hangzhou, China
X.J. Fang: Feed Science Institute, Zhejiang University, Hangzhou, China
J.F. Jiang: Feed Science Institute, Zhejiang University, Hangzhou, China

Czech Journal of Animal Science, 2006, vol. 51, issue 10, 444-448

Abstract: An experiment was conducted to investigate the effects of glutamine on growth performance of weanling piglets. Sixty piglets weaned at 21 days of age were randomly assigned to two groups (10 piglets per pen, 3 pens per group). The control group received a maize-soybean meal-based diet. The treatment group received a maize-soybean meal-based diet supplemented with 1.0% free l-glutamine. Piglets were fed the diets for 20 days. Results showed that piglets fed the glutamine diet had lower diarrhoea ratio and shorter diarrhoea duration than those fed the control diet during 20 days after weaning. During the first ten days after weaning, pigs supplemented with glutamine had a 12.05% lower feed:gain ratio than those fed the control diet (P < 0.05). During the second ten days after weaning, they had a 27.75% higher average daily gain than those fed the control diet (P < 0.05); there were no differences in the feed:gain ratio and average daily feed intake. During the first ten days after weaning, the serum urea nitrogen of pigs supplemented with glutamine was reduced by 17.36% (P > 0.05) compared to the control. During the second ten days after weaning, serum urea nitrogen was reduced by 4.27% and serum concentrations of total protein increased by 18.70% in pigs supplemented with glutamine compared to the control (P > 0.05). There were no differences in albumin, T3, T4 and growth hormone.

Keywords: weaning piglets; glutamine; growth performance; biochemical parameters (search for similar items in EconPapers)
Date: 2006
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DOI: 10.17221/3963-CJAS

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