NADIS Knowledge Transfer - Scald and Footrot

Please select one or more answers from the list for each question. Many have multiple answers - in these, marks will be given for each correct answer but deducted for each incorrect answers

The signs of interdigital dermatitis (scald) include which of the following:

	The interdigital skin is red and swollen and covered by a thin layer of white necrotic material
	There is under-running of the hoof wall
	There is a foul smell
	The hoof walls and toes become overgrown and mis-shapen
	Severely affected feet often become flystruck

The treatment of interdigital dermatitis (scald) includes which three of the following :

	Vaccination
	Oxytetracycline aerosol sprays
	Walking sheep through 10% zinc sulphate solution in a footbath
	Walking sheep through 3% formalin in a footbath
	Antibiotic injection

Which of the following can be used to treat individual sheep with severe virulent footrot:

	Foot trimming
	Antibiotic injections
	Foot-bathing
	Vaccination
	Selection for resistance

Which two of the following can be used to control severe virulent footrot on a flock basis:

	Foot trimming
	Antibiotic injections
	Foot-bathing
	Vaccination
	Pasture management

Which of the following statements are correct:

	Footrot can affect all ages of sheep
	There is only one strain of the footrot organism D. nodosus
	Scald is more common in lambs than in ewes
	Sheep should be immediately returned to pasture after foot-bathing
	All of the above

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