Blog Archives

Fly Strike in Calves

Calving presents the opportunity for fly strikes. Fly strike begins when a female blow fly, usually metallic green bottle fly, lays a small batch of oblong white eggs on an attractive site. These scavenger flies do not deposit eggs on

Posted in Livestock Pests

Cattle Grub Treatments

Cattle grubs damage muscle tissue along the back line of cattle and cut holes in the hide to breathe (Figure 1). The results of their handiwork generally do not appear until February, but now is the time to apply the

Posted in Livestock Pests

Stable Flies

Stable flies are blood suckers that look much like house flies, except that they have piercing-mouthparts, which jut out like bayonets from the front of their heads. These insects visit cattle and horses only to feed. They spend the rest

Posted in Livestock Pests

Biting Flies and Horses

Chronic summer dermatitis and “sweet itch” are terms for recurring allergic skin reactions that horses may experience from late summer into early fall, the typical fly season. Bites of small gnats (ceratopogonids, no-see-ums, Culicoides species), horse flies, stable flies, and

Posted in Livestock Pests

Insecticide-Impregnated Cattle Ear Tags

Cattle receiving insecticide-impregnated ear tags take their fly control system with them. Ear tags have provided a popular option to control the horn fly, a blood-sucking insect that hits producers with a $1 billion bill for losses and control costs

Posted in Livestock Pests

Feed-Thru (Oral Larvicide) Insecticides for Pasture Fly Control

Eliminating or treating a pest’s breeding site is often right at the top of the list of pest management options. It can work if the breeding site is very specific – like freshly deposited cow manure, the egg-laying site of

Posted in Livestock Pests

Two Species of Ticks Active During Kentucky Winters

Black-legged Tick In recent years, the blacklegged tick (Ixodes scapularis) (Figure 1) has become increasingly more common in Kentucky and now occurs throughout the state (Figure 2). Adults are active from November through March, whenever the temperature is above freezing.

Posted in Human Pests, Livestock Pests, Pet Pests