The role of the rumen ciliate protozoa for methane suppression caused by coconut oil

被引:101
作者
Dohme, F
Machmüller, A
Estermann, BL
Pfister, P
Wasserfallen, A
Kreuzer, M [1 ]
机构
[1] ETH Zurich, Inst Anim Sci, ETH Ctr, LFW, CH-8092 Zurich, Switzerland
[2] ETH Zurich, Inst Microbiol, CH-8092 Zurich, Switzerland
关键词
D O I
10.1046/j.1365-2672.1999.00614.x
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Diets containing either coconut oil or rumen-protected fat (54 g kg(-1) dry matter each) were supplied to Rumen Simulation Technique fermenters filled with faunated and defaunated rumen fluid in a 2 x 2 factorial design. Defaunation immediately reduced methane formation by about 40% with each diet. With coconut oil, methane gradually declined in faunated and defaunated rumen fluid. Finally, the extent of methane suppression was similar, both with coconut oil and with defaunation. Independently of the status of protozoa, the population of methanogens in rumen fluid was significantly reduced by coconut oil. The results suggest that defaunation and coconut oil independently and additively suppress rumen methanogenesis.
引用
收藏
页码:187 / 192
页数:6
相关论文
共 23 条
[1]   METHANOGENS - RE-EVALUATION OF A UNIQUE BIOLOGICAL GROUP [J].
BALCH, WE ;
FOX, GE ;
MAGRUM, LJ ;
WOESE, CR ;
WOLFE, RS .
MICROBIOLOGICAL REVIEWS, 1979, 43 (02) :260-296
[2]   EFFECTS OF LUCERNE SUPPLEMENTATION AND DEFAUNATION ON FEED-INTAKE, DIGESTIBILITY, N-RETENTION AND PRODUCTIVITY OF SHEEP FED STRAW BASED DIETS [J].
BIRD, SH ;
ROMULO, B ;
LENG, RA .
ANIMAL FEED SCIENCE AND TECHNOLOGY, 1994, 45 (02) :119-129
[3]   ANTI-PROTOZOAL EFFECTS OF SURFACTANT DETERGENTS IN THE RUMEN OF SHEEP [J].
BURGGRAAF, W ;
LENG, RA .
NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH, 1980, 23 (03) :287-291
[4]  
DEMEYER DI, 1995, NUTZTIERERNAHRUNG PO, P185
[5]   Lipid-induced depression of methane production and digestibility in the artificial rumen system (RUSITEC) [J].
Dong, Y ;
Bae, HD ;
McAllister, TA ;
Mathison, GW ;
Cheng, KJ .
CANADIAN JOURNAL OF ANIMAL SCIENCE, 1997, 77 (02) :269-278
[6]  
FINLAY BJ, 1994, FEMS MICROBIOL LETT, V117, P157, DOI 10.1111/j.1574-6968.1994.tb06758.x
[7]   EFFECT OF TITANIUM(III) CITRATE AS REDUCING AGENT ON GROWTH OF RUMEN BACTERIA [J].
JONES, GA ;
PICKARD, MD .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1980, 39 (06) :1144-1147
[8]   MANIPULATION OF MICROBIAL ACTIVITY IN THE RUMEN [J].
JOUANY, JP .
ARCHIVES OF ANIMAL NUTRITION, 1994, 46 (02) :133-153
[9]   EFFECT OF DEFAUNATION ON THE LOSS OF ENERGY IN WETHERS FED DIFFERENT QUANTITIES OF CELLULOSE AND NORMAL OR STEAMFLAKED MAIZE STARCH [J].
KREUZER, M ;
KIRCHGESSNER, M ;
MULLER, HL .
ANIMAL FEED SCIENCE AND TECHNOLOGY, 1986, 16 (03) :233-241
[10]   METHODS AND APPLICATION OF DEFAUNATION IN THE GROWING RUMINANT [J].
KREUZER, M .
JOURNAL OF VETERINARY MEDICINE SERIES A-PHYSIOLOGY PATHOLOGY CLINICAL MEDICINE, 1986, 33 (10) :721-745