Coliform Mastitis (E. Coli, Klebsiella sp., Pseudomonas sp., Serratia sp.) - An environmental bacterial infection of the udder
Where Do They Live?
Bedding, soil or water that is contaminated with manure.
How is Infection Spread?
From the environment to the udder at any time. The risk of new infection is highest around calving time.
About 70% of cases will be clinical at some time during the course of infection. Two thirds of cases last less than 10 days. Newly calved, older cows may have severe clinical (Awatery, toxic@) infections.
Clinical signs (changes in milk, udder or sick cow). Culture of milk samples collected at the beginning of clinical signs.
Reduced production, loss of milk discarded for treatment and antibiotic withdrawal time. Some infected cows become sick (fever, off feed).
Most mild infections self cure. Consult your veterinarian for a protocol for the treatment of severe cases. Antibiotic treatment does not shorten the duration of infection nor lessen the clinical signs.
Estimated Cure Rate:
No antibiotic efficacy for coliform mastitis has been demonstrated. Spontaneous cure rates for E. coli are high. Klebsiella sp. infections can become chronic. Cure rates for other types are variable.
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