Start Horn Fly Control Earlier Rather than Later

Every spring horn flies are guaranteed to steal production, pounds and profits. Early control is key.

There are many products on the market to control flies: insecticide ear tags, pour-ons, insect growth regulators (IGRs) mineral supplements, oil slicks and insecticide sprays. While many researchers say using a two-prong approach is beneficial, IGR products provide reliable and economical control.

“For cow-calf herds, IGR products provide about 20 lb. of extra weaning weight on calves,” says Kevin Glaubius, director of nutrition and technical sales for BioZyme Inc., makers of VitaFerm.

Insect pressures of more than 200 flies per animal can cause up to a quart of blood loss, reduced grazing activity and an increased risk of anaplasmosis.

“If cows are constantly losing blood, it puts a strain on her metabolic systems,” says Ted Perry, nutritionist with Purina Animal Nutrition. This slows other natural process in the body, such as milk production and weight gain.

Having an aggressive control strategy from early spring through fall (30 days before the last frost) will help break the insect cycle and control any flies that overwinter in the pupal stage.


Editor's Note: This article originally appeared in the April 2017 issue of Drovers.


Latest News

Wholesale Beef Higher, But Cash Cattle Struggle

Beef packers continued to maintain their strangle-hold on the market this week. Rising boxed beef cutout prices will pad packer profits – likely to exceed $400 per head.

What Technology Would Catch Your Eye If You Won the Lottery?

The latest Drovers Pulse Poll found calf care would take the top priority if cost wasn’t an issue.

Biden’s Top Trade Pick Vows to Stay Tough on China

Congress got a clearer view of President Biden’s trade agenda this week as the Senate Finance Committee questioned Katherine Tai, Biden's nominee to serve as the United States Trade Representative.

Effects of Transporting Cattle on Auction Prices

Researchers at Kansas State University analyzed 211 livestock video auctions and determined that trucking distance has an effect on the price that buyers are willing to pay.

Targeted Online Learning on Biosecurity

To further support cattle producers across the country the Beef Checkoff-funded Beef Quality Assurance (BQA) program has released the first in a series of Advanced Education Modules.

Beyond Meat Clinches Coveted Deals with Mcdonald's, Yum Brands

Plant-based meat maker Beyond Meat said on Thursday it has signed multi-year supply deals with McDonald’s Corp and Taco Bell owner Yum! Brands Inc.