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NADIS Knowledge Transfer - Liver Fluke in Sheep

Please select one or more answers from the list for each question. Many have multiple answers - these will only be marked as correct when all the right answers and none of the wrong answers, have been selected

Which of the following diseases can purchased sheep introduce on to your farm:

	Lice
	Sheep scab
	Caseous Lympadenitis (CLA)
	Liver fluke
	Footrot

The snail intermediate host requires environment conditions of:

	Cold and wet
	Warm and dry
	Prolonged dry weather
	Hot (above 20 degrees C) and dry
	Warm and wet

Acute fluke typically presents as sudden death in:

	August - October
	April - May
	June - July
	January - March
	November - December

Which of the following diseases which may also cause sudden death of sheep is not prevented by routine vaccination:

	Blackleg
	Tick-borne fever
	Pulpy kidney
	Black disease
	Braxy

Autumn treatments to control liver fluke comprise:

	Triclabendazole (e.g. Fasinex)
	Oxytetracycline injection (e.g. Engemycin or Terramycin)
	Ivermectin (e.g. Ivomec)
	Nitroxynil (e.g. Trodax)
	Fenbendazole (e.g. Panacur)

Liver fluke is best controlled by :

	Reactive drenching when liver condemnations are found at the slaughterhouse
	Strategic drenching based upon environmental conditions
	Reactive drenching when losses occur in the autumn
	Drenching every 3 weeks from early September
	Vaccination

Which of the following diseases can result in poor body condition of ewes despite adequate nutrition :

	Virulent footrot
	Chronic liver fluke
	Poor dentition
	Chronic infection
	Johnes disease

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