ABU GHAZALEH A A, BUCKLES W R. The Effect of solids dilution rate and oil source on trans C18∶1 and conjugated linoleic acid production by ruminal microbes in continuous culture[J]. Journal of Dairy Science, 2007, 90:963-969.
LOOR J J, UEDA K, FERLAY A. Short communication: diurnal profiles of conjugated linoleic acids and trans fatty acids in ruminal fluid from cows fed a high concentrate diet supplemented with fish oil, linseed oil, or sunflower oil[J]. Journal of Dairy Science, 2004, 87:2468-2471.
FOLCH J, LESS M, SLOANE STANLEY G H. A sample method for the isolation and purification of total lipids from animal tissues[J]. Journal of Biological Chemistry, 1957, 226:497-509.
[10]
HRISTOV A N, KENNINGTON L R, MCGUIRE M A, et al. Effect of diets containing linoleic acid- or oleic acid-rich oils on ruminal fermentation and nutrient digestibility, and performance and fatty acid composition of adipose and muscle tissues of finishing cattle[J]. Journal of Animal Science, 2005, 83:1312-1321.
[11]
BATEMAN Ⅱ H G, JENKINS T C. Influence of soybeans oil in high fibre diets fed to non lactating cows on ruminal unsaturated fatty acids and nutrient digestibility[J]. Journal of Dairy Science. 1998, 81(9):2451-2458.
[12]
WALES E J, KOLVER E S, THORNE P L, et al. Diurnal variation in ruminal pH on the digestibility of highly digestible perennial ryegrass during continuous culture fermentation[J]. Journal of Dairy Science, 2004, 87:1864-1871.
[13]
QIU X, EASTRIDGE M L, GRISWOLD K E, et al. Effects of substrate, passage rate, and pH in continuous culture on flows of conjugated linoleic acid and trans C18∶1[J]. Journal of Dairy Science, 2004, 87:3473-3479.
HRISTOV A N, IVAN M, MC ALLISTER T A. In vitro effects of individual fatty acids on protozoal numbers and on fermentation products in ruminal fluid from cattle fed a high concentrate, barley-based diet[J]. Journal of Animal Science, 2004, 82:2693-2704.
[16]
OLDICK B S, FIRKINS J L. Effects of degree of fat saturation on fiber digestion and microbial protein synthesis when diets are fed twelve times daily[J]. Journal of Animal Science, 2000, 78:2412-2420.
[17]
CLINQUART A, VAN EENAEME C, DURFRASNE I, et al. Soya oil in the diet of growing-fattening bulls.Ⅱ. Effects on metabolism in the rumen, apparent digestibility, plasma hormones and metabolites[J]. Journal of Animal Physiology and Animal Nutrition, 1995, 74:15-23.
[18]
ZHANG C M, YI X W, YUAN Z P, et al. Effects of adding mixtures of linoleic acid and linolenic acid with different proportions on rumen fermentation and methanogenesis in vitro[J]. Chinese Journal of Animal Nutrition, 2008, 20(2):223-227.
