Large animal disease Flashcards
what surgery options are there for large animal urolithiasis?
- perineal urethrostomy (penile stump out perineum)
- amputate urethral process
- tube cystotomy (leave catheter in for 2 weeks nd test)
what is the difference in location for sheep and cattle urolith obstruction?
sheep - mainly urethral prcoess
cow - sigmoid flexure
What are some predisposing factors to urolithiasis?
- dietary imbalance (high conc + low roughage) (high P + low Ca) (high Mg)
- castrated males
- dehydration
- alkaline urine
- UTI
What are the clinical signs of urolithiasis?
haematuria dysuria dribbling urine tail flapping colic signs anorexia depression preputial swelling abdo distension seizures death
what blood changes would you see with urolithiasis?
azotaemia
hyperkaelaemia
hyponatraemia
what are some signs of amyloidosis affecting the kidney?
oedema wt loss chronic dia proteinuria fibrinogenaemia hypoalbuminaemia azotaemia
what causes enzootic haematuria?
chronic bracken grazing - ptaquiloside carcinogen - bladder wall neoplasia
what is ulcerative posthitis?
ulcerative bacterial inf of prepuce and vulva mucosa
what causes ulcerative posthitis?
corynebacterium renale
high protein diet
what is ulcerative posthitis also known as?
pizzle rot
how can you manage pizzle rot?
NSAIDs
penicillin
reduce dietary protein
What is pyelonephritis and how does it come about?
- ascending infection
- can be post partum / post service
- post metritis / urolithiasis
- mainly G-ves
what are signs of acute pyelonephritis?
pyrexia anorexia depression colic reduced yield stranguria polyuria haematuria pyuria
what are signs of chronic pyelonephritis?
wt loss colic reduced yeild dia PU anaemia
What abx are used for pyelonephritis?
oxytetracycline or penicillin/aminoglycosides
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