Fatty acid profile and minerals content in milk from cows of various breeds over spring-summer feeding period
2006
Barlowska, J. (Lublin Agricultural University (Poland). Dept. of Animal Materials Estimation and Utilization) | Litwinczuk, Z. (Lublin Agricultural University (Poland). Dept. of Cattle Breeding) | Krol, J. | Kedzierska-Matysek, M. (Lublin Agricultural University (Poland). Dept. of Animal Materials Estimation and Utilization)
The paper focused on the evaluation of a fatty acid profile and mineral component contents in milk obtained from cows of 5 breeds main-tained in Poland. The studies covered 147 milk samples collected from cows of Polish Holstein-Friesian black-white (42) and red-white (26) varieties, Simental (31), Whitebacks (15) and Polish Red (33). Milk was sampled at the spring-summer season when dietary units included green for-age. It was found that the milk gained from the cows of 3 breeds (in that two native), i.e. Whitebacks, Polish Red and Simental, had the fatty acid ratio most beneficial for human nutrition. Significantly higher proved to be a conjugated linoleic acid (CLA) level. The milk also contained more essential macro- (K, Ca, Na, Mg) and some microelements (Zn, Fe). A vital effect (beside the breed) was likely to have a feeding system of animals supplied mainly with pasture fodder
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