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Asian-Australas J Anim Sci > Volume 14(8); 2001 > Article
Ruminant Nutrition and Forage Utilization
Asian-Australasian Journal of Animal Sciences 2001;14(8): 1133-1137.
DOI: https://doi.org/10.5713/ajas.2001.1133    Published online August 1, 2001.
Influence of Whole Crop Corn Silage Ensiled with Poultry Manure on the Performance and Carcass Quality of Hanwoo Steers
Y. D. Ko, J. H. Kim, C. -H. Kim
Abstract
An experiment was conducted to study the performance and carcass characteristics of Hanwoo steers fed whole crop corn silage ensiled with poultry manure (PM) for 18 months. The experiment was designed as a randomized block design with three phases. Steers were allotted in one of three dietary treatments, which were ammonia-treated rice straw (AS), whole crop corn silage (CS) and whole crop corn+30% PM silage (based on DM; MS). All diets were supplemented with concentrate. Total body weight gain and average daily gain (ADG) in MS group were increased (p<0.05) by 6% over AS group. The MS treatment enhanced (p<0.05) total and daily intakes of forage compared with the AS and CS treatments while there was compensatory effect on concentrate intake by AS group. Carcass characteristics were improved by feeding MS. MS increased (p<0.05) carcass weight and marbling score (7.5 and 22.5% of AS, respectively), and reduced (p<0.05) backfat thickness (13.2 of AS and 16.6% CS). Carcass grade and meat quality grade were also improved by MS compared with AS and CS. Under the conditions of this study, MS was an efficacious replacement for corn silage for steers.
Keywords: Corn Silage; Poultry Manure; Performance; Carcass Characteristics


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