A comparison of somatic cell counts and urea levels in milk of Jersey and Polish Holstein-Friesian Black-and-White cows kept under identical environmental conditions
Department of Cattle Breeding and Milk Production, The August Cieszkowski Agricultural University of Poznan, Wojska Polskiego 71A, 60-625 Poznan, Poland
Department of Cattle Breeding and Milk Production, The August Cieszkowski Agricultural University of Poznan, Wojska Polskiego 71A, 60-625 Poznan, Poland