by Cassandra Olds, extension entomologist
Per a final rule issued by the Environmental Protection Agency (EPA) and published in the Federal Register August 30, 2021, all food tolerances for the insecticide chlorpyrifos will expire after February 28, 2022. Continue reading “EPA Limits The Use Of Ear Tags Containing Chlorpyrifos”
By Joel DeRouchey, Environmental Management Specialist
To provide protection for cows and calves during the winter and early spring months, temporary feeding sites are often used. While these sites can be used effectively, manure accumulation occurs in the areas around where they are fed over those months. There are several reasons for cleaning the manure from these sites but the most important is to lower the impact of nutrient and fecal bacteria runoff to surface water and reducing stable fly production. Continue reading “Clean winter feeding sites to reduce stable fly pressure”
As the weather warms up, flies and other insects will be back to challenge our livestock. If you have experienced decreased effectiveness of your pest management strategies over time, you may want to take advantage of the opportunity to hear from K-State Research & Extension livestock entomologist, Dr Cassandra Olds. Continue reading “Sustainable Parasite Control”
by Cassandra Olds, extension entomologist
As temperatures rise and we move into the throes of summer, many are evaluating their insect control options. Controlling insects and related arthropod pests has been a challenge since the dawn of human history. Descriptions of these early attempts exist as preserved archeological artifacts, some of which date as far as 4000 years ago! Continue reading “Bucking the Trend of Insecticide Resistance”
By A.J. Tarpoff, DVM, MS, extension veterinarian
Horn flies are blood feeding flies that impact production on cattle operations. Populations of these flies tend to peak in June. The hot dry days of summer tend to decrease the overall population. However, in late August to September as the temperatures begins to decrease and humidity increases, the horn fly population tends to peak again. Continue reading “Late Season Fly Control”
