Effect of natural oil supplement to ration on methane emission and fattening in ruminant animal

日粮中添加天然油对反刍动物甲烷排放和育肥的影响

基本信息

批准号：
12660240
负责人：
TAKAHASHI Toshiyoshi
金额：
$ 2.24万
依托单位：
Yamagata University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2000
资助国家：
日本
起止时间：
2000 至 2002
项目状态：
已结题

项目摘要

l . Effect of safflower oil supplement on control of methane emission and nutritive value in sheep : Four sheep were fed the ration (roughage : concentrate=2:8) at 80% level of ad lib. feeding. Safflower oil was supplemented at the levels of 2.5, 5.0 and 7.5 % of ration. Decreasing rate of methane emission was high as the supplement of safflower oil increased. Nutritional value was improved by safflower oil supplement.2. 2.Control of methane emission from expiratory gas by rapeseed oil supplement in sheep fed different rations of roughage and concentrate : Four sheep were fed the ration (roughage : concentrate=2:8 and 8:2) at 2% level (dry matter basis) of body weight. Rapeseed oil was supplemented at 5.0 and 7.5 % of ration. Methane emission decreased 12% in high roughage and 15% in high concentrate with rapeseed oil supplement, respectively.3. Effect of natural oils supplement on methane emission and fattening in sheep : Methane decreased 3〜11%, by supplements of natural oils, in vitro. Six sheep were used for fattening trial. The ratio of roughage and concentrate was 2:8 and natural oil was supplemented 2.5% to the ration. Experimental animals were fed to fatten for 4 months. By supplement of oil, feed conversion ratio was tended to improve and unsaturated fatty acids increased i.e., oleic and linoleic acids in subcutaneous and linoleic acid in loin and rib muscles.4. Effect of natural oil and glycerol supplements on control of methane emission in sheep : Four sheep were fed the ration (roughage:concentrate=2:8). Natural oils with different unsaturated levels and glycerol were supplemented 5% of diets. Methane emission decreased remarkably by highly unsaturated oil. Nutritive value was improved by supplement of oils. Volatile fatty acid became propionic acid fermentation type of highly unsaturated oil 0x(3E)0x(3E)glycerol=lowly unsaturated oil 0x(3E)non supplement in order.

l.添加红花油对控制羊的甲烷排放和营养价值的影响：以80％的随意饲喂水平喂养4只羊。红花油的添加量增加，甲烷排放量下降幅度较高，分别为日粮的2.5%、5.0%和7.5%。 2.补充菜籽油对饲喂不同日粮和精料的羊呼气甲烷排放的控制：4只羊分别饲喂2%的日粮（粗料：精料=2:8和8:2）。添加 5.0% 和 7.5% 体重的菜籽油，高粗饲料中的甲烷排放量减少了 12%，高饲料中的甲烷排放量减少了 15%。 3.补充天然油对绵羊甲烷排放和育肥的影响：在体外，通过补充天然油，甲烷减少了3〜11%。粗饲料与精饲料的比例为2:8，在日粮中添加2.5%的天然油，饲喂4个月，饲料转化率趋于提高。不饱和脂肪酸增加，即皮下的油酸和亚油酸以及腰部和肋骨肌肉中的亚油酸。 4.天然油和甘油补充剂对控制绵羊甲烷排放的影响：给四只羊喂食日粮（粗粮：精料=2）。 :8).在日粮中添加不同不饱和水平的天然油和甘油可显着降低高不饱和油的营养价值。挥发性脂肪酸变成丙酸发酵型高度不饱和油0x(3E)0x(3E)甘油=低度不饱和油0x(3E)非按顺序补充。