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NADIS Knowledge Transfer - Hypomagnesaemia in Beef Cattle

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

Hypomagnesaemia is a common metabolic disturbance affecting:

	Older beef cows (fourth calvers and older)
	Yearling beef cattle
	Young beef cows and heifers
	Bulls
	Recently-weaned calves

Daily magnesium is best supplied during risk periods by:

	Provision of free access minerals
	Feeding 1 to 2 kg of cattle cobs containing calcined magnesite
	Feeding 1 to 2 kg of barley
	Feeding 1 to 2 kg of grass nuts
	Provision of free barley straw

Hypomagnesaemia is most common during which period of the production cycle:

	During calving
	Cows calved one to three months
	Cows calved three to six months
	Cows calved six to nine months
	Housed dry cows

Which of the following statements is true:

	Hypomagnesaemia is an individual cow problem and no further action is necessary
	Hypomagnesaemia is a group/herd problem and no further action is necessary
	Hypomagnesaemia is a group/herd problem and immediate action is necessary
	Hypomagnesaemia is uncommon and readily prevented by free access to ad-libitum minerals
	Grass staggers is best treated with calcium borogluconate

Feeding mineralised concentrates during the autumn to cows calving from August onwards helps (more than one answer may be correct):

	Maintain cow condition
	Cows to lactate well
	Cows to start cycling early and get back in-calf
	Prevent hypomagnesaemia
	Prevent hypocalcaemia

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