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Concentrations of serum vitamins A, E and C and beta-carotene during pregnancy in cows
(Bull. Vet. Inst. Pulawy, 2005-01-14)
The concentrations of serum vitamins A, E and C, and β-carotene in 12 cows, between 3-8 years of age, were determined during pregnancy and after delivery. The compounds were assigned spectrophotometrically. It was observed ...
Investigation of Ca, Zn, Mg, Fe and Cu concentrations in blood and milk of cows with negative and positive CMT results
(Bull Vet. Inst. Pulawy, 2005-01-14)
The study was performed on 15 healthy and 21 with subclinical mastitis cows, aged 3-5 years. Forty-one udder quarters which gave negative reaction in California Mastitis Test (CMT) were considered to be healthy, and those ...