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In the present study, the effects of IS900 polymerase chain reaction (PCR)-confirmed subclinical paratuberculosis on serum beta-carotene and retinol concentrations in dairy cattle were investigated. A total of 30 multiparous, clinically normal, paratuberculosis non-vaccinated Holstein dairy cows,...

Cİvelek, T.; Celİk, H. A.; Ozenc, E.; Avcİ, G.; Kav, K.; Cİngİ, C. C.; Yİlmaz, O.
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Archivos de Medicina Veterinaria, 2009, 41, 3, pp 281-284