Bovine Urinary Tract Problems Flashcards
List three methods to collect urine from cows
Wait
Stimulate vulva and perineum
Urinary catheterisation
List two methods to collect urine from bulls
Massage prepuce or wash with warm water
Urinary catheterisation
What is the normal specific gravity of cow urine?
1.02-1.045
What is the normal pH of bovine urine?
Usually alkaline pH 7-8
How would you differentiate haematuria from haemoglobinuria and myoglobinuria?
It will clear if left to stand
What are the two most common differentials for haemoglobinuria in cattle?
Babesia
Brassica toxicity
What are the two most common differentials for haematuria in cattle?
Cystitis
Pyelonephritis
What causes babesiosis?
Babesia divergens
Describe the pathogenesis of babesiosis
RBC intracellular parasite
Replication cycles followed by cell rupture.
Haemolysis, anaemia, icterus and haemoglobinuria
Drops in PCV can be sudden and dramatic
Spiking fever
List five clinical signs of babesiosis
Red urine (doesnt settle)
Pyrexia
Anaemia, tachycardia and tachypnoea
Pip-stem diarrhoea and rumen stasis
Depression, weakness, ataxia and anorexia
What are the four treatments for babesiosis?
Imiocarb diproprionate
Oxytetracycline
Blood transfusion if PCV < 15%
NSAIDs
Which plants are brassicas?
Rape/Kale
Describe the pathogenesis of brassica poisioning
Toxin converted to haemolytic factor in rumen
Haemolysis, icterus, anaemia and haemoglobinuria
What are the acute clinical signs of brassica poisoning?
Haemoglobinuria, dullness, weakness and anaemia 1-2 weeks after grazing
What is the key difference in clinical signs between brassica and babesiosis poisoning?
Babesiosis - pyrexia
Brassica poisoning - non-pyrexic
What is the treatment for brassica poisoning?
Blood transfusion
List two ways to prevent brassica poisoning.
Strip grazing/restricting intakes
Buffer feeding
Define stranguria
Straining to urinate
Define anuria
Inability to pass urine
Define polyuria
Increased frequency or volume
Define dysuria
Difficulty/pain in urination
Define oliguria
Reduce urine production
What are the three main bacteria that will cause cystitis in cattle?
C. renale
E. coli
Proteus vulgaris
List 7 clinical signs of cystitis
Haematuria +/- pyuria
Stranguria and dysuria
Mild pyrexia
Pain on urinating
Arching of back
Weight loss
Possible thickening of the bladder per rectum
List three treatments for cystitis
Antibiotics
NSAIDs
Encourage water intake
Which antibiotic is appropriate for the treatment of cystitis in cattle?
Amoxicillin
Which pathogen causes pyelonephritis?
Corynebacterium renale
What sign of pyelonephritis may you see on rectal exam?
Kidneys enlarged
How you wou prevent pyelonephritis?
Isolate affected cattle
Hygiene at calving/A.I
Consider the possibility of the carrier bull
List four risk factors of urolithiasis
Castrated males
Excessive body condition
Calves on milk substitute
High levels of concentrates.
Describe the aetiology of bladder paralysis
Dystocia: intrapelvic sacral nerve injury
Crushing of sacrum and tail head; vertebral damage
List three clinical signs of bladder paralysis
Dribbling urine
Voiding small amounts
Urine scalding