Examination of the presence and effect of udder edema in Holstein-Friesian cattle

Mastitis is the most common disease of dairy cows and expensive in terms treatment. For this reason, great emphasis must be placed on its prevention. Based literature sources, it can said that there a positive correlation between prevalence udder edema occurrence mastitis. Our studies were carried out farm Csongrád-Csanád county. So far we have collected data from 64 with edema. The severity was evaluated scale 0–3 points one week before calving for 3 weeks after calving. We observed occurred 78% studied at time first After calving, length diameter four teats examined. Both anterior posterior shortened severely edematous cows. When examining teat, found that, depending edema, 2.5 1.6 1.5 mm thicker respectively than those without