Molecular Nutrition

Effects of Lactobacillus Microecologics on Growth Performance and Immunity of White Wing Pigeons

  • CHEN Gongyi ,
  • HAO Zhenfang
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  • Henan Vocational College of Agriculture, Zhengzhou 451450, China

Received date: 2015-05-18

  Online published: 2015-08-13

Abstract

The objective of this experiment was to study the effects of Lactobacillus microecologics on growth performance, immune organ indexes, serum immune globulin G (IgG) content and intestinal microflora of white wing pigeons. Sixty one-day-old white wing pigeons were randomly divided into 3 groups with 20 pigeons per group. Group 1 was control group. Groups 2 and 3 were Lactobacillus microecologics groups, supplemented with 2×106 and 5×106 CFU/d, respectively. The pre-trial period lasted for 3 days, and the experiment lasted for 16 days. The result showed as follows: at the age of 19 days, compared to control group, the Lactobacillus microecologics groups with 2×106 and 5×106 CFU/d increased the final body weight by 8.29% and 15.10% (P<0.05), reduced the ratio of feed to gain by 6.36% and 8.66% (P<0.05), increased the serum IgG content by 10.09% and 17.98% (P<0.05), reduced the E.coli number by 4.27% and 9.26% (P<0.05), increased the Lactobacillus numbers by 5.41% and 9.71% (P<0.05), respectively. In comparison with the control group, the Lactobacillus microecologics groups with 5×106 CFU/d enhanced the indexes of bursal and thymus by 16.07% and 8.33% (P<0.05), respectively. In conclusion, Lactobacillus microecologics can improve growth performance, and enhance the immune function. The optimal daily supplement for white wing pigeons was 5×106 CFU under this experimental condition.

Cite this article

CHEN Gongyi , HAO Zhenfang . Effects of Lactobacillus Microecologics on Growth Performance and Immunity of White Wing Pigeons[J]. Chinese Journal of Animal Nutrition, 2015 , 27(8) : 2450 -2455 . DOI: 10.3969/j.issn.1006-267x.2015.08.017

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