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Serum progesterone, vitamin A, E, C and beta-carotene levels in pregnant and nonpregnant cows post-mating
(J. Anim. Vet. Adv., 2005)
The aim of the study was to detect the progesterone, vitamin A, E, C and -carotene levels in blood serum and the relationship between them in pregnant and nonpregnant cows after insemination. The oestrus of 17 cows kept ...
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 ...