clostridial disease and poisoning in cattle Flashcards
what would be known as a peracute condition of sudden death
suddenly found dead with no preceding signs
what would you do first in cases of sudden death in cattle where there are no obvious causes
anthrax investigation - contact APHA if clinical signs are suggestive or no other cause can be identified
collect blood from marginal ear vein
what would a positive stain for anthrax look like
blue bacteria with pink capsules
what conditions are associated with clostridial myositis
blackleg and malignant oedema
what bacteria causes blackleg
clostridum chaevoei
what age group of cattle are most affected by blackleg and what are the typical signs
6-24 months
sudden death, lameness and swelling of the proximal limb and emphysematoua and respiratory distress if the tongue swells
animals have a good body condition score
when would you vaccinate animals against blackleg
4 month before turnout
how is a cow infected with malignant oedema
wound associated - enters through puncture wounds which can be post-surgery or TB testing
what differential diagnosis for sudden death in cattle include
anthrax, yew or lead intoxication, hypomagnesium, mastitis
where is the reservoir for clostridium tetoni
in the soil
what is the incubation period for clostridium tetoni
4 months
what are the clinical signs associated with tetanus
stiffness of limbs and jaw and elavated tailhead, 3rd eye prolapse and salivation
what are differentials for tetanus in cattle
hypomagnesaemia, CCN lesions, lead poisoning (usually go blind)
what is the common source of clostridum botulinum
chicken waste
what are the clinical signs of botulism
lingual paralysis, dysphagia, ataxia, muscle weakness and recumbency, constipation and death