Consider magnesium supplementation levels, particularly for lactating cows grazing wheat, rye, or triticale in the spring.

Bonnie the cow has since been rescued from the forest and moved to Farm Sanctuary after eight months in the woods Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013.

Austrian animal challenges ideas about bovine intelligence with ‘first documented tool-use in cattle’ Sarah Knapton is the Science Editor of The Telegraph and has covered all areas of science since ...