Minister of Agriculture Lawrence MacAulay said the tax deferrals can help farmers increase their herd.

"Extreme weather created difficulties for Western Canada’s livestock industry last summer,” he said in a Feb. 2nd press release. “Tax deferrals can help producers reduce their losses and focus on rebuilding their herds for the coming year."
The full list of designated regions can be found by visiting Agriculture and Agri-Food Canada.
Between Apr. 1 and Jul. 21, 2015, approximately 60 per cent of agricultural lands in the Prairies received below normal levels of rain, affecting forage production.
As a result, approximately 27,000 farms and more than 5.8 million cattle were affected.