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Asian-Australas J Anim Sci > Volume 13(11); 2000 > Article
Animal Products
Asian-Australasian Journal of Animal Sciences 2000;13(11): 1598-1603.
DOI: https://doi.org/10.5713/ajas.2000.1598    Published online January 1, 2000.
Effects of Bedding Materials and Season on the Composition and Production Rate of Broiler Litter as a Nutrient Resource for Ruminants
K. K. Park, S. Y. Yang, B. K. Kim, W. H. Jung
Abstract
Broiler litter can be used as a feedstuff for ruminants. Fifty seven litter samples collected from 47 farms in Kyungkee Province of Korea were analyzed to assess the effects of type and amount of bedding (rice hulls vs. sawdust), season (winter vs. summer) and drinkers (bell- vs. trough-type) on composition of broiler litter. Rearing conditions of broilers were also surveyed from the farms to estimate annual production rate of litter. Nutrient composition of broiler litter varied widely and moisture and ash concentrations were higher than observed by other researchers. Ash concentration was higher (p<0.05) for samples taken in winter than in summer and higher (p<0.05) in the rice hulls- than in the sawdust-based litter both in winter and summer. Only minor differences in litter composition were noted between drinkers. Ash was negatively correlated with crude protein and neutral detergent fiber (p<0.01), and acid detergent fiber (p<0.05). The estimated litter production rate was 2.7 kg per bird per flock on a wet basis (60% DM) and the annual production rate was 12.7 kg per bird per yr (60% DM). Therefore, the 42 million broilers per month grown in Korea in 1999 produced a total of 533,400 metric tons of litter.
Keywords: Broiler Litter; Bedding Material; Litter Composition; Litter Production Rate; Waste Management


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