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Effects of Lactobacilli and Bursin on Growth Performance, Slaughter Performance, Meat Quality and Serum Biochemical Parameters of Broiler

  • ZENG Dong ,
  • LI Tao ,
  • NI Xueqin ,
  • PENG Zhirong ,
  • SHEN Xuejiao ,
  • YI Dan
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  • 1. College of Veterinary, Sichuan Agricultural University, Ya'an 625014, China;
    2. Key Laboratory of Animal Disease and Human Health of Sichuan Province, Ya'an 625014, China

Received date: 2013-11-25

  Online published: 2014-05-05

Abstract

This test was conducted to study the effects of the Lactobacilli and bursin on growth performance, slaughter performance, meat quality and serum biochemical parameters of broilers by adding Lactobacilli preparation in a basal diet or intramuscular injection bursin. One hundred and eighty 1-day-old Cobb broilers were randomly divided into 4 groups with 3 replicates in each group and 15 broilers per replicate. The broilers in group I were fed the basal diet, those in group Ⅱ were fed the basal diet and injected bursin (0.01 mg/kg BW), those in group Ⅲ were fed the basal diet+0.1% Lactobacilli preparation, and those in group Ⅳ were fed the basal diet+0.1% Lactobacilli preparation, and injected bursin (0.01 mg/kg BW). The test lasted for 42 d. The results showed as follows: 1) the average daily feed intake in groups Ⅱ and Ⅳ was significantly higher than that in groups Ⅰ and Ⅲ (P<0.01), but the average daily gain and feed/gain were no significant difference among groups (P>0.05). 2) The semi-eviscerated rate in group Ⅱ was significantly higher than that in group Ⅰ (P<0.01), and the slaughter rate, eviscerated rate, breast muscle rate and leg muscle rate were no significant difference among groups (P>0.05). 3) The meat color in groups Ⅱ and Ⅲ was much better than that in groups Ⅰ and Ⅳ, but the pH was no significant difference among groups (P>0.05). The drip loss in groups Ⅱ and Ⅳ was significantly higher than that in groups Ⅰ and Ⅲ (P<0.01), and the shear force in groups Ⅱ, Ⅲ and Ⅳ was significantly lower than that in group Ⅰ (P<0.01). 4) The surem total protein and albumin contents in group Ⅲ were significantly higher than those in group Ⅰ (P<0.05) and the surem triglyceride content in groups Ⅲ and Ⅳ was significantly lower than that in group Ⅰ (P<0.05). The composite indicators show that Lactobacilli and bursin can improve the growth performance and slaughter performance of broilers to a certain extent, and can significantly improve meat quality and serum biochemical parameters of broilers; furthermore, the combination effect of Lactobacilli and bursin is not superior to single use.

Cite this article

ZENG Dong , LI Tao , NI Xueqin , PENG Zhirong , SHEN Xuejiao , YI Dan . Effects of Lactobacilli and Bursin on Growth Performance, Slaughter Performance, Meat Quality and Serum Biochemical Parameters of Broiler[J]. Chinese Journal of Animal Nutrition, 2014 , 26(5) : 1320 -1326 . DOI: 10.3969/j.issn.1006-267x.2014.05.024

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