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The paper focused on the evaluation of a fatty acid profile and mineral component contents in milk obtained from cows of 5 breeds maintained 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...
The chemical composition and fatty acid profile of milk from French Alpine dairy goats, obtained during the period of summer feeding and winter feeding, were studied. Milk samples were collected at one-month intervals, to determine dry matter, solids non-fat, protein, fat, fatty acid profile, lactose, urea and somatic cell count. The fatty acid composition of milk fat was determined for particular...
The study was aimed at determining the impact of the milk production period and selected dairy products on the level of external chemical compound residues in milk. For this reason the experimental material was sampled in the summer and in winter season. A total of 120 dairy products were assayed for the concentrations of lead, cadmium, Σ DDT (as a total sum of DDT+DDE+DDD), γ HCH, total PCB, nitrates...
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