ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2014, Vol. 45 ›› Issue (12): 1981-1987.doi: 10.11843/j.issn.0366-6964.2014.12.010

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Effects of Flavonoids of Sea Buckthorn Leaves on Growth Performance，Slaughter Performance and Serum Biochemical Indexes of Altay Sheep

LIU Yan-feng1,2，TANG Shu-zhen2，ZHANG Wen-ju 1*，HOU Guang-tian2*，NIE Cun-xi1，ZHANG Zhi-jun2   

  1. (1.College of Animal Science and Technology，Shihezi University，Shihezi 832002，China;2.Feed Research Institute，Xinjiang Academy of Animal，Urumqi 830000，China)
  • Received:2014-04-14 Online:2014-12-23 Published:2014-12-23

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Abstract:

This experiment was conducted to investigate the effect of flavonoids of sea buckthorn leaves on growth performance，slaughter performance and serum biochemical indexes of Altay sheep.A total of 60 6-month-old with average weight of (28±3)kg，health Altay sheep were randomly divided into 4 groups：low doses of flavonoids of Sea buckthorn leaves group，middle dose of flavonoids of Sea buckthorn leaves group，high dose of flavonoids of Sea buckthorn leaves group and the control group (SJHT-1 group，SJHT-2 group，SJHT-3 group and Con group )，with 3 replicates per group and 5 sheep per replicate.The control group(Con) was fed the basal diet，the test groups were fed with different doses of flavonoids of sea buckthorn leaves（0%，0.10%，0.25% and 0.50%）.The experiment lasted for 64 days.The results showed as follow：1) Compared with the Con group，the average daily gain in SJHT-3 and SJHT-2 groups were significantly increased (P<0.05).2) Slaughter rates among all groups were not significantly different (P>0.05); Compared with the Con group，the Net meat rate in SJHT-3 group significantly increased (P<0.01); Fat rate in SJHT-3 group significantly reduced (P<0.01)，SJHT-2 significantly lower (P<0.05); Percentage of abdominal fat in SJHT-3 group significantly reduced (P<0.05).3) Compared with the Con group，TP in SJHT-1 group significantly increased (P<0.01)，SJHT-2 significantly increased (P<0.05); UN in SJHT-3 group significantly reduced (P<0.01); LDL-C in SJHT-1 group significantly increased (P<0.01)，SJHT-2 group improved significantly (P<0.05); ALP in SJHT-3 group significantly increased (P<0.05); LDH in SJHT-2 group significantly increased (P<0.05); Ca in SJHT-1 group significantly increased (P<0.01).ALT，AST，GGT and CK of the trial group were not significantly different (P>0.05) among all groups.It follows that，adding different doses of flavonoids of sea buckthorn leaves in diets of Altay sheep，can improve daily gain and lower feed efficiency and improve Net meat rate and reduce fat rate and percentage of abdominal fat.Flavonoids of sea buckthorn leaves can elevate serum TP and UN of Altay sheep，and decrease ALP，indicating that flavonoids of sea buckthorn leaves can increase protein synthesis of Altay sheep，but also conducive to the amino acid balance，improve the metabolism of calcium，and have no adverse effect on other physiological indexes.

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