Fatty acid composition of milk lipids from dairy cows fed tropical grasses
1991
Yamauchi, K. (Miyazaki Univ. (Japan). Faculty of Agriculture) | Ohashi, T. | Miaki, T. | Katayama, H. | Haga, S. | Tanaka, S. | Kawamura, O. | Yamakura, T.
The study was carried out with tropical grasses (Corn, Zea mays L., cv. Snow dent No. 2; Sorgum, Sorghum bicolor Moeuch, cv. hybrid sorgo; Pearl millet, Pennisetum typhoideum (Burm.) Stapf. and Hubbard., local variety; Rhodesgrass, Chloris gayana kunth, cv. Katambora; Fall panicum, Panicum dichotomiflorum, cv. Ooita; Green panic, Panicum maximum Jacq. var. trichoglume, cv. Petrie) and temperate grass (Italian ryegrass, Lolium multiflorum Lam., cv. Wasehikari) in order to investigate the fatty acid compositions of milk lipids from Holstein cows fed their silages and/or hays. The fatty acid composition of cow's milk lipids was evidently affected by feeding different silages and.or hays, especially in the palmitic (16:0) and oleic (18:1) acid level and the 16:0/18:1 ratio. The ratio of 16:0/18:1 in milk lipids was found to be highest for cows fed corn, pearl millet and green panic, intermediate for cows fed sorgum, fall panicum and Italian ryegrass and least for cows fed rhodesgrass
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