ORIGINAL PAPER
Effect of lactic acid fermented soyabean meal on
the growth performance, intestinal microflora and
morphology of weaned piglets
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1
Key Laboratory of Food Science and Safety, Ministry of Education,
Wuxi, Jiangsu, 214036, P.R. China
2
School of Food Science, Southern Yangtze University,
No 170 huihe Road, Wuxi, Jiangsu, 214036, P.R. China
Publication date: 2007-02-02
Corresponding author
Y. H. Shi
School of Food Science, Southern Yangtze University,
No 170 huihe Road, Wuxi, Jiangsu, 214036, P.R. China
J. Anim. Feed Sci. 2007;16(1):75-85
KEYWORDS
ABSTRACT
The aim of this study was to investigate the effects of lactic acid fermented soyabean meal (SBM)
on the growth performance, intestinal microflora and morphology of weaned piglets. Lactic acid
fermentation could reduce trypsin inhibitor activity and increase degree of protein hydrolysis in
the fermented-SBM (FSBM). Seventy-two piglets weaned at 28±1 d of age were allotted to three
dietary treatments for 28 days. The three diets were: 1. diet with 25% SBM; 2. diet with 20% SBM
and 5% FSBM; 3. diet with 15% SBM and 10% FSBM. The results showed that the addition of
10% FSBM in the diet of piglets improved (P<0.05) the growth performance, increased (P<0.05)
the numbers of intestinal lactobacilli, decreased (P<0.05) the numbers of intestinal enterobacteria
and increased (P<0.05) the villus height and villus height to crypt depth ratio at the small intestinal
mucosa compared to the control group. In conclusion, lactic acid fermented SBM can be used as an
excellent protein source for weaned piglets.
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