The Canadian Food Inspection Agency said it will temporarily refuse entry to livestock, including horses, that originated in Texas or were in the state during the 21 days before reaching the Canadian border, after New World screwworm was confirmed in a Texas calf. The agency said the measure aims to prevent the parasite from entering Canada and protect animal health, adding that Canada’s colder climate is not suitable for long-term establishment of the fly but that it can survive for shorter ...

Read the original article