Flies are more than just an annoyance for calves in warm weather. High fly populations also can spread diseases among calves; cause stress and reduced immunity; and negatively impact growth and weight gain.
One lesson COVID-19 has taught our country is agriculture is essential. “We can't replace people getting up and doing the chores," says Dan Thomson, chair of the Department of Animal Science at Iowa State University.
The concept of dry cow therapy started in the late 1960’s with the objective of reducing the risks for intramammary infections during the dry period and in the early stages of the subsequent lactation.