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Is this an infection? (Conflicting results)

Equine-Reproduction.com Bulletin Board » Breeding Problem Mares - Volume 2 » Is this an infection? (Conflicting results) « Previous Next »


Author Message
 

Kellie Wright
Neonate
Username: Kaw1971

Post Number: 1
Registered: 01-2010
Posted on Tuesday, January 26, 2010 - 11:27 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

History: 7yo maiden mare foaled May 09. Cultured clean 2nd heat post foaling. Cycled normally through October. Early November weaned foal and mare very quickly lost a lot of condition, noticed she was windsucking and had her caslicked. December and January (during extreme cold) mare has come into extremely strong estrus for 2-3 weeks each time with a fairly normal 2 week interval between. My vet suggested culturing in case this was caused by infection. Culture and cytology done last week.

Cytology showed no neutrophils. Culture came back with scant growth of 3 organisms (strep zoo, strep B and staph psuedointermedius). Vet feels that she is infected and would like to short cycle and treat with antiobiotics. Both streps show sensitivity to tetracycline, ceftiofur and ticarcillin. I don't have in front of me, so don't remember if staph sensitive to tetracycline, but it showed no sensitivity results for the ceftiofur or ticarcillin.

Questions are:
1)Does this seem to be an actual infection?
2)If so, would antibiotic infusions be the preferred course of treatment?
3)Does anyone have any experience using Mannose, and is it feasable as a first treatment? I hate to end up with any antibiotic resistant bacteria or a severe infection, as I would like to breed mare again.

Thanks in advance!
 

Jos
Board Administrator
Username: Admin

Post Number: 2703
Registered: 10-1999
Posted on Wednesday, January 27, 2010 - 12:02 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

a: The absence of neutrophils in the cytology is suggestive of contamination rather than infection, but if there is any doubt, a second sample should be taken. Note that as the mare is windsucking, there may well be contamination of the uterus without a true infection occurring, but the presence of the organisms could result in a reduction of the likelihood of successful pregnancy establishment. In that case, treatment for both the windsucking and the organisms may well be necessary.
b: Antibiotic or antiseptic infusion of the uterus would be the normal treatment.
c: Mannose has shown some success at treatment, although some longer-term evaluations are questioning the success levels. Treatment with suitable antibiotics will be unlikely to produce resistant organisms, although superinfection is always a possible sequela. Addition of grapefruit seed extract to the infusion may be beneficial in prevention of a subsequent superinfection.



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