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Effect of Level and Feeding Period of Dietary Monascus Culture on Cholesterol Content of Serum and Meat of Broilers and Growing Ducks  

Kim S. I. (Department of Feed Science and Technology, Kangwon National University)
Lee W. J. (Department of Feed Science and Technology, Kangwon National University)
Lee K. H. (Department of Feed Science and Technology, Kangwon National University)
Publication Information
Korean Journal of Poultry Science / v.32, no.3, 2005 , pp. 171-177 More about this Journal
Abstract
Two experiments were carried out to investigate the effects of level and feeding period of dietary Monascus culture on the performance and cholesterol content of serum and meat in broilers and growing ducks.0.0(C), 0.5(T1), 1.0(T2) and $1.5\%(T3)$ of iwonascus culture which contained 0.5% monacolin-k was added to commercial broiler diets, respectively, and ffd during 2~6 weeks of age in Experiment 1. In Experilnent 2, commercial broiler diet added $1.0\%$ of Monascus culture was fed during $6\~6(C),\;4\~6(T1),\;2\~6(T2)\;and\;0\~6(T3)$ weeks of age, respectively. Three replicates of 16 day-old broilers and 10 day-old growing ducks each were randomly assigned to floor pen, respectively. In Experiment 1, as the level of dietary Monascus culture increased, body weight and feed intake of broilers significantly decreased (P<0.05), whereas those of growing ducks tended to increase without significant differences among treatments. Feed/gain ratio both in broilers and growing ducks showed a trend to increase. Cholesterol contents of serum both in broilers and growing ducks significantly decreased(P<0.05), and those of breast and thigh meat tended to decrease as the level of dietary Monascus culture increased. In Experiment 2, as the feeding period of dietary Monascus culture increased, body weight gain(P<0.05) and feed intake of broilers tended to decrease whereas those of growing ducks increased without significant differences anions treatments. Feed/gain ratio also increased without significant differences. Cholesterol contents of serum both in broilers and growing ducks significantly decreased(P<0.05), and those of breast and thigh meat tended to decrease as the feeding period of dietary Monascus culture increased without significant differences.
Keywords
monacolin-k; Monascus culture; cholesterol; broilers; ducks;
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