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Effect of Supplementary Dietary L-carnitine and Yeast Chromium on Lipid Metabolism of Laying Hens

Du, Rong   (Working at research for Doctor Degree in China Agricultural UniversityUU0013696  ); Qin, Jian   (College of Animal Science and Veterinary Medicine, Shanxi Agricultural UniversityUU0016736  ); Wang, Jundong   (College of Animal Science and Veterinary Medicine, Shanxi Agricultural UniversityUU0016736  ); Pang, Quanhai   (College of Animal Science and Veterinary Medicine, Shanxi Agricultural UniversityUU0016736  ); Zhang, Chunshan   (College of Animal Science and Veterinary Medicine, Shanxi Agricultural UniversityUU0016736  ); Jiang, Junfang   (College of Animal Science and Veterinary Medicine, Shanxi Agricultural UniversityUU0016736  );
  • 초록

    Two hundred and eighty-eight 21-week-old Hyline Brown laying hens were randomly allotted to 9 treatments, 32 birds for each treatment. A 3 ${\times}$ 3 (chromium ${\times}$ L-carnitine) factorial experiment was designed to investigate the single and interactive effects of adding yeast chromium (0, 400 and 600 ${\mu}g/kg$ ) and L-carnitine (0, 50 and 100 mg/kg) to corn-soybean diets on lipid metabolism of laying hens for 7 weeks. The results showed that 600 ${\mu}g/kg$ chromium or 100 mg/kg L-carnitine had significant effects on most indices of lipid metabolism (p ${\mu}g/kg$ chromium and 100 mg/kg Lcarnitine simultaneously was the best for reducing egg yolk cholesterol and adding 400 ${\mu}g/kg$ chromium and 50 mg/kg L-carnitine at the same time was the best for reducing abdominal fat percentage. There was no side effect on production performance of laying hens while chromium or (and) L-carnitine reduced liver lipid, abdominal fat and egg yolk cholesterol.


  • 주제어

    Laying Hens .   Yeast Chromium .   L-carnitine .   Lipid Metabolism .   Synergic Effect.  

  • 참고문헌 (28)

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 저자의 다른 논문

  • Wang, Jundong (2)

    1. 2003 "Effect of Yeast Chromium and L-carnitine on Lipid Metabolism of Broiler Chickens" Asian-Australasian journal of animal sciences 16 (12): 1809~1815    
    2. 2004 "Effect of Sheep and Chicken Antibodies to Rat Adipocytes Plasma Membranes on Rat Carcass Fat" Asian-Australasian journal of animal sciences 17 (8): 1177~1182    

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