With the British summer weather being predictably unpredictable, one thing is certain; careful inspection and management of stock while out at grass is vital. This is particularly relevant for groups that are not necessarily being routinely handled, gathered or milked on a daily basis. In other words, your DRY COWS and HEIFERS. One significant disease which rears its ugly head at this time of year is Summer Mastitis. 

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Spread by flies, it is an acute severe mastitis affecting the non-lactating mammary gland. The causative agent is the bacterium Trueperella pyogenes. Very few quarters will recover, and the aim of treatment is to save the cow. 

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