This article was originally written by Joel Bagg in 2012. It was edited June 27, 2023 by Christine O'Reilly to reflect current insecticide options to control potato leafhopper and the cessation of third-party alfalfa variety trials in Ontario. Potato leafhopper (PLH) is the most damaging alfalfa insect pest in Ontario in most years. While the [...]
Bovine viral diarrhea (BVD) virus is one of the most common viral diseases in cattle and is found in most countries around the world. Viral infections lead to respiratory and reproductive disease, causing significant economic losses for producers. BVD infection is typically introduced to a herd with the arrival of a persistently infected (PI) animal—a [...]
Dairy and Beef Cattle Production 