Asian-Australasian Journal of Animal Sciences

  • 제18권5호
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  • Pages.692-698
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  • 2005
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  • 1011-2367(pISSN)
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  • 1976-5517(eISSN)
아세아태평양축산학회 (Asian Australasian Association of Animal Production Societies)
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Dietary Manipulation of Lean Tissue Deposition in Broiler Chickens

  • Choct, M. (School of Rural Science and Agriculture - University of New England) ;
  • Naylor, A.J. (Alltech Biotechnology Pty Limited) ;
  • Oddy, V.H. (Meat & Livestock Australia Limited)
  • 투고 : 2004.05.10
  • 심사 : 2004.01.13
  • 발행 : 2005.05.01
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초록

Two experiments were conducted to examine the effect of graded levels of dietary chromium and leucine, and different fat sources on performance and body composition of broiler chickens. The results showed that chromium picolinate at 0.5 ppm significantly (p<0.05) lowered the carcass fat level. Gut weight and carcass water content were increased as a result of chromium treatment. Body weight, plucked weight, carcass weight, abdominal fat pad weight, breast yield and feed efficiency were unaffected by chromium treatment. Leucine did not interact with chromium to effect lean growth. Dietary leucine above the recommended maintenance level (1.2% of diet) markedly (p<0.001) reduced the breast muscle yield. The addition of fish oil to broiler diets reduced (p<0.05) the abdominal fat pad weights compared to birds on linseed diets. Fish oil is believed to improve lean growth through the effects of long chain polyunsaturated fatty acids in lowering the very low-density lipoprotein levels and triglyceride in the blood, in the meantime increasing glucose uptake into the muscle tissue in blood and by minimizing the negative impact of the immune system on protein breakdown. The amount of fat in the diet (2% or 4%) did not affect body composition.

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참고문헌

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피인용 문헌

  1. Impact of feeding chromium supplemented flaxseed based diet on fatty acid profile, oxidative stability and other functional properties of broiler chicken meat vol.54, pp.12, 2017, https://doi.org/10.1007/s13197-017-2846-7
  2. Effects of the supplemental chromium form on performance and oxidative stress in broilers exposed to heat stress vol.96, pp.12, 2017, https://doi.org/10.3382/ps/pex249
  3. Effects of Dietary Fish Oil on Semen Quality of Goats vol.21, pp.1, 2005, https://doi.org/10.5713/ajas.2008.70035
  4. Effect of feeding olive-pulp silage on the seminal characteristics and fatty acid profile of the sperm plasma membrane in Iranian fat-tailed sheep vol.105, pp.1, 2005, https://doi.org/10.1016/j.smallrumres.2011.12.003
  5. Dietary branched-chain amino acid assessment in broilers from 22 to 35 days of age vol.12, pp.None, 2021, https://doi.org/10.1186/s40104-020-00535-1
  6. Physio-biochemical, antioxidant and oxidative stability of Turkey meat-fed diet incorporated with different level of organic chromium vol.32, pp.1, 2005, https://doi.org/10.1080/10495398.2019.1661255