Effect of source of methionine in broken rice-soybean diet on production performance, blood chemistry, and fermentation characteristics in weaned pigs

N. Krutthai, C. Vajrabukka, K. Markvichitr, A. Choothesa, J. Thiengtham, S. Sawanon, C. Kaewtapee and C. Bunchasak
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N. Krutthai: Department of Animal Science, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand
C. Vajrabukka: Department of Animal Science, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand
K. Markvichitr: Department of Animal Science, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, Thailand
A. Choothesa: Department of Physiology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
J. Thiengtham: Department of Animal Science, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand
S. Sawanon: Department of Animal Science, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, Thailand
C. Kaewtapee: Department of Animal Science, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand
C. Bunchasak: Department of Animal Science, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand

Czech Journal of Animal Science, 2015, vol. 60, issue 3, 123-131

Abstract: This study was conducted to compare the effect of source of methionine (Met) in broken rice-soybean diet on performance, blood biochemistry, and fermentation characteristics in weaned pigs. Forty-eight male crossbreed pigs (BW 11 ± 0.1 kg) were randomly allocated to three groups with four replications in a completely randomized design. The experimental diets were: (1) basal diet without methionine (Control; total sulfur amino acids (TSAA) 0.60%); (2) basal diet supplemented with dl-methionine (DLM) (TSAA 0.76%); and (3) basal diet supplemented with dl-2-hydroxy-4-(methylthio) butanoic acid (LMA) (TSAA 0.76%). Supplementation with DLM and LMA improved growth performance of piglets and decreased blood urea nitrogen and increased serum albumin (P < 0.01). The population of Lactobacillus spp. in the caecum was decreased by both DLM and LMA supplementation (P < 0.05). Succinic acid concentration in the caecum of pigs fed the DLM diet was greater than that of LMA group (P < 0.05). It can be concluded that LMA can be used as a good source of Met (88% bioefficacy, weight/weight) in broken rice-soybean diet, although the serum albumin and fermentation characteristics (succinic acid) in the gastrointestinal tract were different.

Keywords: methionine; short-chain fatty acids; piglets (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:60:y:2015:i:3:id:8077-cjas

DOI: 10.17221/8077-CJAS

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