Feed Science and Technology

Effects of Fulvic Acid on Growth Performance, Serum Biochemical Parameters, Blood Routine Parameters and Immunity Function of Growing Pigs

  • CHANG Qifa ,
  • BAI Huixin ,
  • SHI Baoming ,
  • SHAN Anshan ,
  • WEI Chuanyu ,
  • YU Changqing ,
  • TONG Baosheng
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  • 1. Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China;
    2. Beijing Branch, Inner Mongolia Yongye Nongfeng Biotechnology Co. , Ltd. , Beijing 100083, China

Received date: 2013-03-15

  Online published: 2013-07-15

Abstract

This experiment was conducted to determine growth performance, serum biochemical parameters, blood routine parameters and immunity function of growing pigs ,which was for study whether the fulvic acid (FA) could promote health and growth of growing pigs, and its appropriate supplemental level. A total of 180 crossbred (Landrace譟orkshire) pigs with an average body weight of (30.0±2.5) kg were randomly allotted to 5 groups with 6 replicates per group and 6 pigs per replicate. The control group was fed a basal diet and the experimental groups were fed the basal diets supplemented with 0.2%, 0.4%, 0.6% and 0.8% FA, respectively. The trial lasted for 45 days. Results showed as follows: 1) compared with the control group, the supplementation of FA tended to improve the growth performance of growing pigs. The supplementation of 0.8% FA significantly increased average daily gain (P<0.05) and the supplementation of 0.4% and 0.8% FA significantly decreased feed/gain (P<0.05). 2) Compared with the control group, dietary FA had no effects on serum biochemical parameters (P>0.05). 3) Compared with the control group, the supplementation of FA significantly increased the number of lymphocyte in blood and the content of immune globulin M in serum (P<0.05). In conclusion, FA is a safe growth-promoting additive for growing pigs, and the appropriate supplemental level of FA for growing pigs is 0.5%.

Cite this article

CHANG Qifa , BAI Huixin , SHI Baoming , SHAN Anshan , WEI Chuanyu , YU Changqing , TONG Baosheng . Effects of Fulvic Acid on Growth Performance, Serum Biochemical Parameters, Blood Routine Parameters and Immunity Function of Growing Pigs[J]. Chinese Journal of Animal Nutrition, 2013 , 25(8) : 1836 -1842 . DOI: 10.3969/j.issn.1006-267x.2013.08.021

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