THE EFFECT OF PHASE OF LACTATION ON SOME MILK PRODUCTION PARAMETERS IN HOLSTEIN COWS (FIRST CALVERS)

1 THE EFFECT OF PHASE OF LACTATION ON SOME MILK PRODUCTION PARAMETERS IN HOLSTEIN COWS (FIRST CALVERS) VLIV STÁDIA LAKTACE NA VYBRANÉ MLÉČNÉ UKAZATELE...

10 downloads 245 Views 260KB Size

Recommend Documents