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Dr. Harvey Domoslai, DVM

Corman Park Veterinary Services
5 miles West of Saskatoon, sk
on Highway 14 at Saskatoon Livestock Sales

Full facilities for the management of equine health issues.

Dr. Harvey Domoslai, DVM
Phone: (306) 384-7676
Emergencies: (306) 227-8331

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Interesting Cases

A Loonie sized stone was removed from this geldings urethra at the end of his penis.

Interesting Cases
Horse Owner Today

Recurring Thrush Problem

posted by Horse Owner Today    |   November 28, 2011 10:54

Q: My horse has a bad case of thrush, I have been usuing many different store bought remedies to cure it but it seems to only be gettting worst.. what home rememby can i use... ?  thanks Devin
A:  First the black infected soft horn  tissue has to be removed with a hoof knife by a skilled individual, preferably your farrier. Then scrub out well with betadine or chlorhexidine scrub or even dandruff shampoo.  Rinse and dry with a towel.  If you put any medication on top of the dead tissue and the discharge it will not get to the origins of the infection and will not work. After this preparation you can apply the thrush treatment.  
Then if copper sulfate hasn't worked [the most common treatment-coppertox] you can use bleach one or maybe two times, using a small brush to get it into deeper areas .

Dr. Lisa Wayman

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Disease | General | hoof care

Barrel Horse Trying To Pee

posted by Horse Owner Today    |   October 27, 2011 08:14

Q: Hi Dr. Domoslai, My question pertains to a 8 year old mare barrel horse that my daughter has in Altus Ok she called home tonight say her horse was acting funny tonight. she had rode her and was walking her out in the areana and the mare would stop every few minutes and try to urnaite but nothing would come out she did that about 4 times and then later on she did finally do it do you think she should be concerened... thank you

A:  Not sure if male or mare from question as both were mentioned. . Males can have large "bean" of cellular and debris material in the end of urethra/penis that can obstruct or restrict urine flow. They can very occasionally have stones high up in urethra but you would notice blood in urine for weeks before obstruction. Mares rarely have trouble with urine flow as urethra is short and wide. Sometimes when horses especially geldings will stretch out like they need to urinate a few times but don't or only a few squirts. This is almost always from belly pain/mild colic. They take this posture to push out and stretch body wall to try to relieve belly pain and this increases pressure in the abdomen ant pushes some urine out. This may have been why he was acting 'funny'. Another reason could be he didn't want to urinate there some only want to go in stall or pen. He avoided it till he couldn't anymore. If urine was normal pale to mid yellow, and horse not very ill, kidneys prob fine. They are a very Rare source of disease in horses. So as you can see there can be a few causes so it is difficult to say without observing and examining the horse if this is no problem or something that needs attention tomorrow. I would say if it is only a one time occurrence don't worry too much. « Dr Lisa Wayman »

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Disease | General | Colic

Oak Trees, Acorns & Horses

posted by Horse Owner Today    |   October 21, 2011 17:43

Q: Dr. Domoslai, My question today is about Oak Trees, Acorns and Horses. Would you be so kind to explain to the equine lovers why they are toxic to horses? I had no idea they were! I ask you to do this as I recenetly had a horrifying experience when my 8 yr. old gelding went from perfectly fine to nearly lame, lathargic, semi unresponsive and not keeping his penis retracted in his sheath. My farrier was the one that discovered him eating them. This drought in Texas has been tough & thankfully he is ok now. Sincerely, Teresa

A:  Teresa, Thanks for the question.  Acorns and the leaves and branches of the acorn tree have tannic and gallic acids which are a direct irritant to the gastro-intestinal tract of the horse.  In small amounts these will not cause any problems but in large quantities can cause ulceration in the GI tract which can lead to a host of other problems one of which can be laminitis ie founder of the foot.  Some horses develop a real taste for acorns and will seek them out and over consume.  I’d likely fence off the trees as even though the nuts and leaves are inassessible till fall.  A sudden wind storm may knock down acorns or leaves when you do not expect it and your horse may get into them.  If you know your horse has over consumed acorns or acorn leaves get your vet out and they’ll likely try and coat your horses GI tract and move the offending acorns along to limit the damage. 
Dr. Domoslai DVM CPVS

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Disease | General | poison

Fall Equine Worming Strategy

posted by Horse Owner Today    |   October 21, 2011 17:36

Q:  Over the past year I have heard/read bits and pieces regarding worming & the possibility that wormer may become a prescription product.  Why?

A:   I don’t think the generic wormers will ever become prescription products but if newer stronger generation wormers become available they often will be scheduled as prescription products due to the risk of indiscriminate use.    A good example of this are the wormers that have been developed to kill round hook and tapeworms.  Many people will purchase the “plus” product simply because it is more expensive or kills more worms even though tapeworms are not common in horses.   If the product is sold only through veterinarians the proper indications for it use can be given and the product can be used properly.

Q:  We are having frost every night, what is the best worming strategy for pasture horses in fall.

A:   In Saskatchewan a good Ivermectin based wormer for the fall should be given any time now.  For young weaned or yearling horses and follow up treatment should be given in a month.

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Disease | General

Interesting Case #3, July 25, 2011 update Feb 15, 2012

posted by Horse Owner Today    |   July 25, 2011 08:43


Photo & story credit:  Dr. Domoslai DVM

This four year old gelding was presented with swelling and difficulty peeing.  Initially we thought he had been kicked but at sedation a Loonie sized kidney/bladder stone was removed from his urethra, at the end of his penis.  This gelding may have to have his penis amputated, we are treating him conservatively and are still hopeful.

October 4, 2011 update

This four year old gelding recovered very well.  Recently he began exhibiting similar symptoms as before, the result was another huge stone removed from his penis.  His diet and water source have been changed.


February 15, 2011


  Dr. Domoslai here, I would like to update you on an interesting case.  The bucking horse finally succumbed and on post-mortem had his entire kidneys and bladder were filled with large stones (approximately one gallon of material similar to the scale in a tea kettle)

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Disease | Equine Interesting Cases | General