NADIS Knowledge Transfer - Trace Element Deficiency

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

Signs of cobalt deficiency include which of the following:

	Small size
	All of the above
	Lethargy
	Very poor body condition despite apparent adequate nutrition
	Poor appetite, poor quality wool with an open fleece

Clinical signs of cobalt deficiency (pine) are most commonly observed in:

	2-4 week-old lambs
	Grazing lambs after weaning
	Newborn lambs
	Yearling sheep
	Adult ewes

Poor growth in lambs (for example: less than 30 kgs at six months-old) can be caused by which of the following:

	Cobalt deficiency
	Coccidiosis
	Over-grazing
	Fluke
	Chronic parasitic gastroenteritis

The cheapest method for prevention of cobalt deficiency in growing lambs is:

	Glass boluses boluses containing cobalt, selenium and copper
	Vitamin B12 injection
	Cobalt oxide containing boluses
	Top dressing pasture with cobalt containing fertilizers
	Cobalt containing drenches

Losses from trace element deficiency states include extended periods to slaughter, lighter slaughter weights, and extra feed costs which could amount to:

	£10 per lamb
	£1 per lamb
	20 pence per lamb
	£2 per lamb
	£5 per lamb

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