[국가R&D연구보고서]쑥 사일리지를 이용한 한우 비육기술 개발 Development of Fatting technique for Hanwoo using Wormwood (Artemisia montana Pampan) Silage원문보기
보고서 정보
주관연구기관
경상대학교 GyeongSang National University
보고서유형
최종보고서
발행국가
대한민국
언어
한국어
발행년월
2003-08
과제시작연도
2002
주관부처
농림부 Ministry of Agriculture and Forestry
과제관리전문기관
농림기술관리센터 Agricultural Research & development Promotion Center
등록번호
TRKO201400023676
과제고유번호
1380002433
사업명
농림기술개발
DB 구축일자
2014-11-10
초록▼
○연구결과 2001∼2003년까지 2년간의 시험결과를 요약하면 다음과 같다. 시험 1. 산쑥 사일리지의 영양적 가치 및 기능성물질 평가 가. 산쑥의 초장이 60∼80 cm일 때 사일리지로 제조하였을 때 양질의 사일리지가 제조되었으며, 조단백질과 조지방 함량은 16.14%와 4.11%로써 한우 비육 농가에서 주로 이용되고 있는 볏짚의 5.39%와 1.48%에 비해 매우 높았다. 나. 산쑥 사일리지의 기능성 물질인 Flavonoid, Phenolic acid 및 Vit. C는 2.34, 951 및 245.1%mg/
○연구결과 2001∼2003년까지 2년간의 시험결과를 요약하면 다음과 같다. 시험 1. 산쑥 사일리지의 영양적 가치 및 기능성물질 평가 가. 산쑥의 초장이 60∼80 cm일 때 사일리지로 제조하였을 때 양질의 사일리지가 제조되었으며, 조단백질과 조지방 함량은 16.14%와 4.11%로써 한우 비육 농가에서 주로 이용되고 있는 볏짚의 5.39%와 1.48%에 비해 매우 높았다. 나. 산쑥 사일리지의 기능성 물질인 Flavonoid, Phenolic acid 및 Vit. C는 2.34, 951 및 245.1%mg/g이 검출되었으며, 산쑥 사일리지의 기능성 또한 매우 높았다. 시험 2. 산쑥 사일리지의 사료가치 평가 가. 산쑥 사일리지를 대체한 처리구의 조단백질, 조지방 및 조회분 소화율이 크게 개선되었으며(p<0.05), 기호성 또한 크게 개선되었다(p<0.05). 나. 산쑥 사일리지를 대체 급여한 모든 시험구의 유기물 소화율, 질소축적율 및 반 추위내 미생물체단백질 합성량이 대조구에 비해 크게 개선되었다(p<0.05). 다. Acetic acid와 propionic acid 함량은 사료 급여 후 4 시간에 산쑥 사일리지를 15 시험구가 대조구에 비해 높았다(p<0.05). 시험 3. 산쑥 사일리지 급여가 거세 한우의 성장과 육질에 미치는 영향 가. 산쑥 사일리지 급여시 증체량 및 기호성이 크게 개선되었으며, 육량․육질 등급이 크게 개선되었다. 나. 산쑥 사일리지 급여시 근내지방도는 크게 개선되었으나 등지방은 감소하였으며, 등심과 우둔에서는 ω3계열의 지방산이 검출되었다.
Abstract▼
Ⅳ. Results and Suggestion for practical use 1. Results The results for 2 years study (2001-2003) are summarized as follows: Exp. Ⅰ : A study on the nutrient and bio-active materials of wormwood (Artemisia montana Pampan) ① When the plant height of wormwood was 60∼80 cm, it was harvested
Ⅳ. Results and Suggestion for practical use 1. Results The results for 2 years study (2001-2003) are summarized as follows: Exp. Ⅰ : A study on the nutrient and bio-active materials of wormwood (Artemisia montana Pampan) ① When the plant height of wormwood was 60∼80 cm, it was harvested and ensiled. The wormwood silage was ensiled as good roughage. ② CP and EE of the wormwood (16.20%, 4.20%) and wormwood silage (16.14%, 4.11%) were higher than rice straw (5.39%, 1.48%). ③ The wormwood silage contains various bio-active materials. Flavonoid, Phenolic acid and Vit. C were 2.34, 951 and 245.1%mg/g. ④ Electron donating ability and Nitrite-scavenging effect of wormwood silage were very high. Exp. Ⅱ : Effects of dietary inclusion of wormwood (Artemisia montana Pampan) silage on the nutrient digestibility and ruminal fermentation characteristics in sheep fed the diet containing rice straw and concentrate ① The 10% and 15% wormwood silage inclusion increased (p<0.05) digestibilities of crude protein (9.0%), ether extract (12.0%) and crude ash (19.0%) compared with the 0 and 5% wormwood silage inclusion treatment. ② Dry matter intake (904.3∼919.8g) of all treatments of wormwood silage compared with the control treatment (780.2g). ③ Digestibility of organic matter, retained nitrogen ratio and ruminal microbial protein synthesis were significantly improved (p<0.05) at the 5, 10 and 15% wormwood silage inclusion. ④ The ruminal pH in all treatment groups was rapidly decreased at 0.5 and 1 hr after feeding and ruminal ammonia nitrogen (RAN) in all treatment groups were rapidly increased (p<0.05) at 0.5 hr after feeding and decreased at 2 hr after feeding. RAN contents at 0.5, 1, 2 and 4 hr after feeding were higher (p<0.05) in the 10 and 15% wormwood silage inclusion groups than in the control group. ⑤ The ruminal concentration of acetic and propionic acid were higher (p<0.05) in the 15% wormwood silage inclusion groups than in the control group. Exp. Ⅲ : Effects of dietary addition of wormwood (Artemisia montana Pampan) silage on the performance, carcass characteristics and fatty acid composition of muscle tissues of Hanwoo(Korean cattle) steers ① Body weight gain, feed intake of concentrate and feed conversion were significantly improved (p<0.05) by the wormwood silage inclusion although there were no differences between the increasing levels of wormwood silage substitution. ② Meat yield and quality of Hanwoo steers were significantly improved (p<0.05) by the wormwood silage inclusion. Especially the loin-eye area and marbling scores of steers fed wormwood silage were rapidly increased(p<0.05) and backfat thickness was rapidly decreased (p<0.05). ③ It appeared that wormwood silage affects a increase in ω3 fatty acid content, and the 5% level significantly increased the docosahexaenoic acid (DHA) and conjugated linoleic acid (CLA) content of loin and top round muscle. ④ Feed cost per 1 kg of 10% wormwood silage treatment (5,535 won) was the hisgest in the body weight gain and cut down expenses than control silage treatment by 26% of feed cost. 2. Suggestion for practical use Through 2 years study, the results that wormwood silage as roughage source of ruminent was investigated such as ① a study on the suitable harvesting time and essential oil analysis of wormwood (Artemisia montana Pampan), ② effects on the feed value of wormwood (Artemisia montana Pampan) silage in sheep and ③ effects of dietary addition of wormwood (Artemisia montana Pampan) silage on the performance, carcass characteristics of Hanwoo (Korean cattle) steers are as follow. It is concluded that the most suitable harvesting time of wormwood is when wormwood is 60∼80 cm tall. It is concluded that wormwood silage improves digestibilities of some nutrients(CP, EE, CA, NFE and TDN) and ruminal fermentation characteristics. And than, it is concluded that wormwood silage is beneficial for improving body weight gain, feed conversion, and the meat yield and quality of Hanwoo steers. There are a lot of benefits. But there are a few of suggestion for practical use as follows to use wormwood silage comfortably. ① Because cutting period of wormwood for preparation of wormwood silage is regular, a lot of dust occur so treatment is difficult time schedule for cutting of wormwood. ② Land area of wormwood need to use and mass production of wormwood comfortably at beside livestock farms. ③ Feeding effect of wormwood silage is very good, so positive publicity need at farm throngh National Livestock Cooperatives Federation and Related Research Institute. ④ Continuous study need to embody systematically the effect of wormwood silage.
목차 Contents
표지 ... 1
제출문 ... 2
요약문 ... 3
Summary ... 8
Contents ... 14
목차 ... 16
제1장 연구개발 과제의 개요 ... 18
제1절 연구개발의 목적 ... 18
제2절 연구개발의 필요성 ... 18
1. 기술적 측면 ... 19
2. 경제·산업적 측면 ... 20
3. 사회·문화적 측면 ... 21
제3절 연구개발의 범위 ... 22
제2장 국내외 기술개발 현황 ... 23
제3장 연구개발수행 내용 및 결과 ... 24
제1절 산쑥(Artemisia montana Pampan) 사일리지의 영양적 가치 및 기능성물질 평가 ... 24
1. 서설 ... 24
2. 재료 및 방법 ... 24
3. 결과 및 고찰 ... 28
4. 적요 ... 33
제2절 산쑥(Artemisia montana Pampan) 사일리지의 사료가치 평가 ... 34
1. 서설 ... 34
2. 재료 및 방법 ... 34
3. 결과 및 고찰 ... 41
4. 적요 ... 54
제3절 산쑥(Artemisia montana Pampan) 사일리지 급여가 거세 한우의 성장과 육질에 미치는 영향 ... 56
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