Dermatology (FA) Flashcards
What are 2 possible causes of “neck rub” in cows?
Poor cubicle design
Poor Feed barrier design
Where are lice seen on cows?
Neck and Back - pruritis
What are the sucking lice of the cow?
Damalinia bovis
What are the biting lice of the cow?
Haematopinus
Linognathus
Solenoptes
How are bovine lice treated?
Ivermectin
Permethrin
What can be used to control flies medically?
Permethrins
Which mite causes tail head and udder erythema, rubbing and crusts? Tx?
Chorioptes Bovis
Ivermectin
Which mite causes alopecia, crusting, thickening of the skin on the head, neck and shoulders?
Sarcoptes Scabiei
Which mite causes intensely pruritic bloody, crusty lesions on the tail head and shoulders? Tx?
Psoroptes
Permethrin or Amitraz
Which pathogen causes ringworm in calves?
Trichophyton Verrucosum
How can we treat ringworm in calves?
Turn out - UV
Imaverol
What is the name for the pustular staph infection which targets the udder and perineum?
Impetigo
What is the Tx for rain scald in cows?
Penicillin
Oxytet
Which Dz presents as granulomatous lesions of the head and LNs, causing abscesses and fistulation? Tx?
Actinomyces (wooden tongue)
Pen/strep or oxytet
Can use K iodide drench off licence
Which pathogens cause acute, fatal cellulitis of the head and neck?
Staphs and clostridia
What are the 2 causes of photosensitization?
1e: photodynamic agents in diet
2e: hepatic damage
Which virus affects the penis and teats, and can be treated with an autogenous vaccine?
Papillomavirus
A deficiency of which nutrient causes a block to brown coat colour change?
Cu
How should haematomas in cows be treated?
WATCH AND WAIT
dont open!!
Which virus is responsible for lumpy skin Dz and how is it spread?
Capripoxvirus
Biting flies, ticks and needles
Which pathogen causes a chronic, debilitating dz involving eye and skin cysts?
Besnoitiosis
