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Alternative TitleEffects of NS-lactobacillus complex on intestinal flora balance and growth performance of pigs
何颖1; 陈忠伟1; 韦明宇1; 陈中华1; 梁保忠1; 秦毅斌1; 梁家幸1; 赵武1; 苏乾莲1; 胡旭1; 金锋1; 孙志勇1
Contribution Rank3
Other Abstract[ Objective ]This research studied the effects of NS compound Lactobacillus on the growth performance and intestinal microflora balance of piglets in order to promote the use of NS series compound lactic acid bacteria and to pro- vide scientific basis for further researches. [Method]Thirty heavy sow and 342 birth piglets were randomly divided into 3 groups; within the three groups, group A was fed with the basal diet prepared with 0.2% NS compound lactic acid bacte- ria, group B was fed with the basal diet prepared with the addition of 0.2% six-taste acid, and group C was fed with basic diet. During the testing periods, the daily weight gain, feed conversion rate, survival rate, and economic benefits of pigs were analyzed and the E. coli and lactic acid bacteria contents in piglets were detected. [Result]During the later testing period (63-150 days), daily weight gain and feed conversion rate of piglets in group A was obviously higher than that of group C (P〈0.05). However, in terms of the whole testing period (0-150 days), the daily weight gain and feed conversion rate among all three groups displayed no significant differences (P〈0.05). Except for the number of E. coli in ileum from group C's piglet, which was lower than that from both groups A and B, the number of E. coli in all other intestinal segments from group C's piglets were higher than that from both groups A and B. The number of lactic acid bacteria, on the other hand, was exactly the opposite; the number of lactic acid bacteria tested from the intestinal segments of groups A and B was higher than that tested in group C. Finally, through the analysis of economic benefit evaluation, the average gross income of group A was higher than that of group C by 16.7 Yuan/pig and was higher than that of group B by 6.7 Yuan/pig, but the difference was not significant (P〉0.05). [Conclusion] The NS compound lactic acid bacteria recovered the gastroin- testinal tract flora balance during early piglet growth stage, enhanced the resistance of piglets weaned stress ability, im- proved the piglet survival rate, increased the feed conversion rate during middle-to-late growth stages, promoted piglet weight gain, and raised the pig production economic benefits.
Keyword NS复合乳酸菌 饲料转化率 生长性能 肠道菌群平衡
Subject Area生理心理学/生物心理学
Source Publication南方农业学报
Indexed ByCSCD
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author赵武
Recommended Citation
GB/T 7714
何颖,陈忠伟,韦明宇,等. NS复合乳酸菌对猪生长性能及其肠道菌群平衡的影响[J]. 南方农业学报,2012,43(12):2099-2103.
APA 何颖.,陈忠伟.,韦明宇.,陈中华.,梁保忠.,...&孙志勇.(2012).NS复合乳酸菌对猪生长性能及其肠道菌群平衡的影响.南方农业学报,43(12),2099-2103.
MLA 何颖,et al."NS复合乳酸菌对猪生长性能及其肠道菌群平衡的影响".南方农业学报 43.12(2012):2099-2103.
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