期刊
ANIMAL NUTRITION AND FEED TECHNOLOGY
卷 14, 期 3, 页码 411-420出版社
ANIMAL NUTRITION ASSOC
DOI: 10.5958/0974-181X.2014.01344.4
关键词
Growth performance; Lactobacillus plantarum; Piglet; Probiotic; Serum amino acids
资金
- program of State Key Laboratory of Microbial Resources, Institute of microbiology, Chinese Academy of Sciences [SKLMR-20110607]
- Hunan Provincial Natural Science Foundation of China [13112034]
- Chinese Academy of Sciences fellowship [2011Y1SB07]
- NSFC [313111032]
This study investigated the effects of different doses of Lactobacillus plantarum on growth performance and serum concentration of amino acids in weaned piglets. A total of 32 piglets [(Yorkshire x Landrace) x Duroc], with an initial BW of 5.6 +/- 0.31 kg and weaned at 21d of age, were used for 28d. Pigs were assigned to four experimental treatments with eight replications per treatment and one pig per replication according to a completely randomized design. Dietary treatments consisted of a control group fed with basal alone (T0), Lactobacillus plantarum at 10(11) cfu kg(-1) (T1), Lactobacillus plantarum at 5x10(11) cfu kg(-1) (T2), and Lactobacillus plantarum at 10X10(11) cfu kg(-1) (T3). Supplementation of Lactobacillus plantarum, increased the final BW (P<0.05) and average daily gain (ADG), and decreased (P<0.05) feed:gain ratio and diarrhoea rate compared with the control group (T0). Also, T2 showed the better results on final BW, ADG and diarrhoea rate (P<0.05) compared to other treatments with Lactobacillus plantarum. Likewise, supplementation of Lactobacillus plantarum (mainly the T2) increased (P<0.05) the serum concentrations of lysine, arginine, serine, glutamate, glycine and alanine, and decreased (P<0.05) the concentration of tyrosine; the other amino acids remained similar among the dietary groups. These findings show a beneficial effect of dietary supplementation of Lactobacillus plantarum at 5x10(11) cfu kg(-1) on growth performance and the serum concentration of some essentials amino acids and non-essentials in weaned piglets.
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