›› 2010, Vol. 37 ›› Issue (11): 5-8.

• 动物营养与饲料科学 •     Next Articles

Duodenal Infusion of Fatty Acids with 18C Affects Immunity of Dairy Cows

YANG Guang1，2，WANG Jia-qi1，BU Deng-pan1，KHAS-Erdene1，LIU Qing-sheng1，
SUN Peng1，ZHOU Ling-yun1，LUO Qiu-jiang2   

  1. (1.State Key Laboratory of Animal Nutrition，Institute of Animal Sciences，Chinese Academy of Agricultural Sciences，Beijing 100193，China； 2.Laboratory of Animal Nutrition，Xinjiang Agricultural University，Urumqi 830052，China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-11-20 Published:2010-11-20
  • Contact: WANG Jia-qi

Abstract:

Evaluated effects of duodenal infusion of fatty acids with 18C (18-C FA; C18∶0，C18∶1，C18∶2 and C18∶3) on immunity of dairy cows. The total concentration of immunoglobulin (Ig) in serum，T lymphocyte subsets in peripheral blood，the acount of white blood cell (WBC) and body temperature were determined. Duodenal infusion of 18C FA did not affect Ig in serum and body temperature. Duodenal infusion of C18∶2 tended to increase the amount of CD4+T lymphocyte. Duodenal infusion of C18∶3 and C18∶2 decreased the acount of WBC significantly. Duodenal infusion of C18∶1 tended to increase the acount of monocyte. Duodenal infusion of C18∶3 and C18∶2 increase and regulate immunity of dairy cows.

Key words: fatty acids with 18C; duodenal infusion; immunity; dairy cows

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