Show mastitis hits two rear quarters of dairy cows which of the udder quarters in milk cows are most frequently involved in mastitis or garget infection on the basis of observations made at the wisconsin experiment station and reported in the journal of the american veterinary medical association cia tion F B hadley station veterinarian has concluded that the two rear quarters are more often affected than the two front quarters but that there is no significant difference in occurrence of the disease between the right and left halves of the udder furthermore when the two front quarters were compared with each other and the two rear quarters were similarly compared little difference also was noticed it is doctor harleys Had leys opinion that the rear quarters are more subject to contamination on account of being in closer proximity to the filth of the barn gutter and usually more thus akely to become injured when the cow steps over high door sills or passes over rough ground the location of the rear quarters between the thighs subjects them to greater pressure when the cow walks or lies down which results in more disturbance to the circulation of the blood moreover they produce 60 per cent of the milk to so are more active functionally thus rendering them more susceptible to infection |