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EFFECTS OF DIETARY LEVELS OF CHROMIUM PICOLINATE ON GROWTH PERFORMANCE, CARCASS QUALITY AND SERUM TRAITS IN BROILER CHICKS

  • Kim, Y.H. ;
  • Han, In K. ;
  • Choi, Y.J. ;
  • Shin, I.S. ;
  • Chae, B.J. ;
  • Kang, T.H.
  • Received : 1994.12.16
  • Accepted : 1996.01.30
  • Published : 1996.06.01

Abstract

An experiment was conducted to evaluate the effects of dietary levels of chromium in the form of chromium picolinate on growth performance, nutrient utilizability, carcass composition, serum traits, and in vitro lipolysis and lipogenesis in adipose tissues of Arbor Acre broiler chicks. Experimental diets containing six different levels of chromium (0, 100, 200, 400, 600 and 800 ppb) were fed for 6 weeks. Individual treatment had six replicates of eight birds each and their average initial weight was 59.2 g. Dietary addition of chromium did not affect growth performance and nutrient utilizability. However, mortality appeared to be reduced with addition of chromium to the diet. It was obvious that chromium supplementation significantly decreased serum cholesterol and increased serum HDL cholesterol (p < 0.05), but serum insulin, glucose, triglyceride and non-esterified fatty acid concentrations were inconsistent among dietary supplementation levels of chromium. The in vitro lipolysis and lipogenesis in adipose tissues were significantly influenced by dietary addition of chromium (p < 0.05). Chicks fed diets containing 200 or 400 ppb chromium showed the highest protein content and the lowest fat content in their carcass.

Keywords

Chromium Picolinate;Mortality;Cholesterol;Insulin;Lipolysis;Lipogenesis;Carcass Composition;Broiler Chicks

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