원저(原著) : 단백질분해효소처리 사료단백질의 급여가 젖소의 산유능력 및 혈액성상에 미치는 영향
분야
공학 > 환경공학
저자
김상범 ( Sang Bum Kim ) , 기광석 ( Kwang Seok Ki ) , 임동현 ( Dong Hyun Lim ) , 이현준 ( Hyun June Lee ) , 권응기 ( Eung Gi Kwon ) , 박중국 ( Joong Kook Park ) , 김태일 ( Tae Ile Kim )
발행기관
한국폐기물자원순환학회(구 한국폐기물학회)
간행물정보
한국폐기물자원순환학회지 2012년, 제29권 제8호, 737~743페이지(총7페이지)
파일형식
08206933.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    The study was performed to evaluate the effects of soybean meal (T1) and corn distillers dried grains with solubles (DDGS, T2) hydrolyzed by microbial proteolytic enzyme of Protame® on milk production and protein contents in dairy cows. Total of nine Holstein cows (i.e., 1.67 ± 0.47 average parity and 23.7 ± 1.2 kg/d average milk yield) were randomly assigned to control, T1, and T2 (e.g., 3 animals per group) and treated for 4 weeks. Milk yield of 3 different groups was similar in the beginning of the study, however the milk yield of T1 and T2 treatment group had increased by 0.93 kg/d and 1.89 kg/d, respectively. Milk protein level of T2 treatment group was increased by 0.19% (e.g., 0.14 kg/d protein content), whereas there was no significant different in control and T1 group. In conclusion, blood metabolites were ranged in normal level, but BUN content was reduced from 19.03 mg/dl to 17.70 mg/dl in T2 treatment group. This result suggests that DDGS hydrolysate supplement efficiently increase milk yield and milk protein level as well as feed protein availability in dairy cattle.
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