성장 호르몬 투여 및 알코올 발효사료 급여가 한우 비거세우 및 거세우의 혈액성분, 도체특성 및 수익성에 미치는 영향

서지정보

ㆍ발행기관 : 강원대학교 동물자원공동연구소 ㆍ수록지정보 : 동물자원연구 / 18권
ㆍ저자명 : 김창동, 신종서, 김병완, 라창식, 홍병주, 오진석, 김현, 최련화

목차

ABSTRACT Ⅰ. 서론 Ⅱ. 재료 및 방법 1. 실험기간 및 공시동물 2. 알코올 발효사료 제조 3. 실험설계 및 사양관리 4. 조사항목 및 시료분석 5. 통계분석 Ⅲ. 결과 및 고찰 1. 혈액성분 2. 도체형질 3. 등심의 아미노산 및 지방산분석 4. 수익성 Ⅳ. 요약 사사 Ⅴ. 인용문헌

영어 초록

This study was performed to examine the effects of recombinant bovine somatotropin (rBST) and fermented alcoholic feedstuff(FAF) on blood metabolites, carcass characteristics and profitability. Sixteen Hanwoos(bulls; 8, steers; 8) with average 143㎏ of body weight were randomly assigned to bull control group(BC), steer control group(SC), bull group(BrA) treated with rBST and FAF, and steer group(SrA) treated with rBST and FAF. Sustained release rBST(0.03㎎/㎏/body weight) was administered biweekly and dose of rBST was adjusted monthly according to body weight increase. The blood glucose content was higher in the groups treated with rBST and FAF than control groups. The blood cholesterol contents tended to be lower in the treatment groups (BrA, 120.5 mg/dl; SrA, 104.0 mg/dl) than in the control groups (BC, 141.0 mg/dl; SC, 125.5 mg/dl). No significant difference between the groups of bulls and steers were found in the blood triglyceride concentrations as well as the albumin contents. The rib eye area of BC and BrA were 70 and 72 cm2, respectively, which are slightly larger than the area of SC and SrA. The treatment did not affect the backfat thickness both in bulls and steers. The marbling scores of BC and BrA appeared as No. 1 and No. 2, respectively, and No. 3 and No. 4 were obtained in SC and SrA. Lower non saturate fat concentrations were observed in the treatment groups (BrA, 64.30%; SrA, 59.59) than in control groups (BC, 58.98%; SC, 58.09%). Saturated fatty acids and amino acids contents were slightly more improved in the treatment than in the control. Average auction prices of BC and BrA were 7,900 and 8,089 wons per 1kg of carcass, respectively, whereas the prices of SC and SrA were 9407 and 9866 wons per 1kg of carcass, respectively. It is concluded that the treatment with rBST and FAF can improve the growth performance such as marbling scores and rib eye area and increase the auction prices.

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