Hello, I have a cow with mastitis that I have treated with 2 rounds of Today that didn't help. I then took her milk to a lab and had it tested and it came up as resistant to Today, so we treated her with a different and stronger antibiotic for a week. She still has mastitis. It's not terrible, in fact, some days when we test her, she doesn't show up with it at all using the CMT. Any ideas?
what was the strain of mastitis ? as that will help us help you
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Post by funnymamma on Dec 22, 2018 10:46:11 GMT -5
Probably Staph A which is not good. Next time it shows up, get a sample before you treat and have it cultured so you know what bug you're dealing with. You can also have them test for antibiotic sensitivity at the same time...
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I don't remember what the test said except that she was resistant to the antibiotic is Today, and she had a mild resistant to another one, but we treated her with that because it was mild. I don't remember if it said what the strain was. Although that is what I had her tested her for. I just gave the results to my vet. I can't get ahold of anyone today to get that info. She had no swelling, and there are some flakes on some days and not on others.
Hmm... Although Today is pretty generic, it actually IS used for treating Staph A, so the fact that your cow's mastitis is resistant to Today may indicate it's not a Staph A infection.
We really need to know WHICH bacteria is causing the problem in order to help you out. Knowing the bacteria = knowing the possible sources of infection. Can you contact the lab and ask them to email you the results again so you have more specifics. Was the bacteria resistant to only today, was it susceptible to any other drugs, etc?
The mixed results on the CMT could be from residual antibiotics. Obviously the Today is not working, so I'd stop using it. Frequent milking (like, 3 times a day) is a good measure to flush the udder while you're waiting on further information.
That's a new one to me. Here's some info via search:
"Isolates of Serratia are resistant to most antibiotics. Treatment with antibiotics results in poor cure rates (9) and is not recommended. Initial clinical improvement may be seen, but in many animals the improvement is only temporary (2). Other authors report that antibiotic therapy in clinical cases and dry cow therapy did not have an obvious effect (7), or that less than 14% of quarters with Serratia infection were cured after treatment (6). The majority of cases cure spontaneously (11)." ahdc.vet.cornell.edu/Sects/QMPS/Articles/Serratia_mastitis_%20fact_%20Sheet.pdf
"These organisms are commonly found in soil and plant matter, including feed. Therefore, cows on pasture or housed on organic bedding material may be at an increased risk for mastitis caused by Serratia spp. Herd outbreaks of Serratia mastitis have occurred in herds where Serratia grew in bedding and/or teat dip. Poor udder cleanliness and damaged teat ends also appear to increase the risk of spreading Serratia to uninfected cows." pubs.ext.vt.edu/404/404-225/404-225.html
"Chlorhexidine is not an effective killing agent for Serratia spp., and therefore, herds experiencing problems with Serratia mastitis should choose an alternative active ingredient."
Post by mommasquilts on Dec 28, 2018 7:29:28 GMT -5
Thinking “outside the box”... and asking cuz I don’t know:
Some of the essential oils have antibiotic properties. Are these ever used for treatment of mastitis that is unresponsive to other means? Could a salve be made with some of them and applied externally several times a day followed by DMSO?
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