ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2017, Vol. 48 ›› Issue (7): 1241-1250.doi: 10.11843/j.issn.0366-6964.2017.07.008

Previous Articles     Next Articles

Effects of Supplementation of Clostridium Butyricum on the Total Tract Apparent Digestibility of Amino Acids and Serum Fatty Acid Composition in Pigs

HE Ting, QIU Kai, ZHANG Xin, WANG Yu-bo, YIN Jing-dong*   

  1. State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
  • Received:2017-03-09 Online:2017-07-23 Published:2017-07-23

Abstract:

The study was conducted to investigate the effects of dietary supplementation of Clostridium butyricum along with different dietary protein levels on the total tract apparent digestibilities (TTAD) of crude protein and amino acids, nitrogen balance, serum fatty acid composition and the serum biochemical indexs in growing pigs. A total of 24 healthy crossbred barrows (Duroc×Yorkshire×Landrace) with an average initial body weight of (39.07±1.80) kg were randomly assigned to 4 groups to conduct the 2×2 factorial experiment which included 2 dietary Clostridium butyricum levels (0, 100 mg·kg-1) and 2 dietary protein levels (14%, 18%). Each gourp had 6 replicates with one pig. The experiment was divided into 2 periods including a 6-d pre-test and a 13-d test. Using total collection method, feces and urine of each pig were collected during the last 3 days of the experiment. Blood was sampled from each pig at the last day of the experiment. The results showed that the supplementation of Clostridium butyricum in diets decreased the TTAD of methionine (P <0.05), while increased the concentration of cis -5,8,11,14,17-eicosatrienoic acid in serum (P <0.05). Compared with control group, the low dietary protein level increased the nitrogen utilization efficiency, the TTAD of methionine and tryptophan(P <0.05), while decreased the urine nitrogen excretion, the TTAD of the most amino acids such as arginine and histidine, and the concentration of serum linoleic (P <0.05). Moreover, significant interactive effects were observed between Clostridium butyricum and dietary protein level on the concentration of total fatty acids, lignoceric acid, palmitoleic and arachidonic in serum (P <0.05). These results indicate that supplementation of Clostridium butyricum in diets decrease the TTAD of methionine, but increase the concentration of serum cis -5,8,11,14,17-eicosatrienoic acid. The Clostridium butyricum in diets shows a interactive effect with dietary protein level on the concentrations of total fatty acids, lignoceric acid, palmitoleic and arachidonic in serum.

CLC Number: