표제지
목차
I. 서론 2
II. 연구사 4
1. TMR의 개념과 도입배경 4
2. TMR의 특징과 종류 7
1) TMR의 특징 7
2) 조·농 분리급여와 TMR급여의 효과 비교 8
3) 육우사육에서의 TMR도입 10
3. 부존자원의 활용 12
4. 완전배합발효사료(Total Mixed Fermentation Feeds) 13
1) 생균 발효사료의 배경 및 가치 15
2) 발효사료 첨가제의 종류 및 특징 15
3) 반추가축에서의 생산성 18
III. 재료 및 방법 21
1. 시험기간 및 장소 21
2. 공시동물 및 사료 21
3. 시험 설계 및 사양관리 30
4. 조사항목 및 조사방법 32
1) 사료섭취량 32
2) 일반성분 분석 32
3) 미생물 균수의 변화 측정 32
5) 경제성 분석 33
5. 통계분석 (Statistical Analysis) 34
IV. 결과 및 고찰 35
1. 미생물 균수의 변화 35
2. 사료섭취량 38
3. 체중변화 44
4. 일당증체량 47
5. 도체성적 및 도체등급 59
6. 경제성 분석 62
V. 고찰 64
VI. 요약 65
VII. 참고문헌 67
Abstract 82
감사의 글 85
Table 1. Microorganism as feed additives 16
Table 2. List of microorganisms approved for use in USA animal feeds 17
Table 3. Chemical composition of formula feed 22
Table 4. Composition of TMR 23
Table 5. Composition of TMF 24
Table 6. The experimental design 31
Table 7. Microbial populations after 24h incubation 36
Table 8. Microbial populations after exposing periods 37
Table 9. Effect of dietary type on dry matter intake in Hanwoo steers 39
Table 10. Effect of dietary type on TDN intake in Hanwoo steers 42
Table 11. Body weight changes of Hanwoo steers fed experimental feeds 45
Table 12. Average daily body gain of Hanwoo steers fed experimental 48
Table 13. Effect of dietary type on average daily gain, dry matter intake and feed efficiency in Hanwoo steers during growing period 51
Table 14. Effect of dietary type on average daily gain, dry matter intake and feed efficiency in Hanwoo steers during fattening period 53
Table 15. Effect of dietary type on average daily gain, dry matter intake and feed efficiency in Hanwoo steers during finishing period 55
Table 16. Effect of dietary type on average daily gain, dry matter intake and feed efficiency in Hanwoo steers during whole experimental period 57
Table 17. Effect of dietary type on carcass traits of Hanwoo steers 60
Table 18. Effect of dietary type on meat yield and quality of Hanwoo steers 61
Table 19. Economical analysis between treatments (Unit : Won/head) 63
Figure 1. Effect of dietary type on dry matter intake in Hanwoo steers. 40
Figure 2. Effect of dietary type on dry matter intake to body weight in Hanwoo steers. 40
Figure 3. Effect of dietary type on TDN intake in Hanwoo steers. 43
Figure 4. Body weight changes of Hanwoo steers during experimental period. 46
Figure 5. Effect of dietary types on average daily gain in Hanwoo steers. 49