References
- AFRC. 1993 . Energy and protein requirements of ruminants , UK : CAB International .
- AOAC. 1990 . Official methods of analysis, , 15th ed. , Arlington, VA, , USA : Association of Official Analytical Chemists .
- Ben Salem , H. , Krzeminski , R. , Ferlay , A. and Doreau , M. 1993 . Effect of lipid supply on in vivo digestion in cows. Comparison of hay and corn silage diets . Can. J. Anim. Sci. , 73 : 547 – 557 .
- Conway , E. J. 1962 . Microdiffusion analysis and volumetric error , London : Crosby Lockwood .
- Doreau , M. , Ben Salem , H. and Krzeminski , R. 1993 . Effect of rapeseed oil supply on in vitro ruminal digestion in cows, comparison of hay and maize silage diets . Anim. Feed Sci. Tech. , 44 : 181 – 189 .
- Flachowsky , G. and Ørskov , E. R. 1986 . Rumen dry matter degradability of various pig faeces and chemically treated pig slurry solids . Arch. Anim. Nutr. , 36 : 905 – 913 .
- GfE. 1995 . Zur Energiebewertung beim Wiederkauer . Proc. Soc. Nutr. Physiol. , 4 : 121 – 123 .
- Hvelpund , T. , Weisbjerg , M. R. and Andersen , L. S. 1992 . Estimation of the true digestibility of rumen undergraded dietary protein in the small intestine of ruminants by the mobile bag technique . Acta. Agric. Scand. Sect. A. Anim. Sci. , 42 : 34 – 39 .
- Jenkins , T. C. 1993 . Lipid metabolism in the rumen . J. Dairy Sci. , 76 : 3851 – 3863 .
- Jenkins , T. C. 1994 . Regulation of lipid metabolism in the rumen . J. Nutr. , 124 : 1872 – 1876 .
- INRA . 1988 . Alimentation des Bovins, Ovins, Caprins , Paris : Institut National de la Recherche Agronomique .
- Markus , S. P. , Wittenberg , K. M. , Ingalls , J. R. and Undi , M. 1996 . Production responses by early lactation cows to whole sunflower seed or tallow supplementation of a diet based on barley . J. Dairy Sci. , 79 : 1817 – 1825 .
- Orskov , E. R. and Mc Donald , I. 1979 . The estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage . J. Agric. Sci. , 92 : 499 – 503 .
- Palmquist , D. L. , Weisbjerg , M. R. and Hvelpund , T. 1993 . Ruminal, intestinal and total digestibilities of nutrients in cows fed diets high in fat and undegradable protein . J. Dairy Sci. , 76 : 1353 – 1364 .
- Palmquist , D. L. 1994 . The role of dietary fats in efficiency of ruminants . J. Nutr. , 124 : 1377 – 1382 .
- Remsey , Ch. and Demige , Ch. 1974 . Determination of volatile fatty acids in plasma after ethanolic extraction . Biochem. J. , 141 : 85 – 91 .
- Van der Honing , Y. and Tamminga , S. 1986 . Effect of fat on rumen fermentation and gastrointestinal absorbtion , 55 – 68 . Denmark : A seminar in the EC programme of coordination of agricultural research organized by the National Institute of Animal Science . 25–27 June 1985
- Van Soest , P. J. , Robertson , J. F. and Lewis , B. A. 1991 . Methods for dietary fiber and non-starch polysaccharides in relation to animal nutrition . J. Dairy Sci. , 74 : 3586 – 3597 .