External Parasites of Dairy Cattle

External parasites of dairy cattle.

Insects such as stable flies, house flies, horn flies, face flies, mosquitoes, horse flies, deer flies, cattle grubs, and lice as well as ticks and mites are the major external parasites of dairy animals in the United States. These pests cause obvious discomfort to livestock and economic effects of heavy populations usually are discerned easily. However, research efforts to date have failed to ...

Investigation of gastrointestinal parasites of dairy cattle around Taiwan.

BACKGROUND Parasitic nematodes are one of the most important causes of production losses in most cattle-producing countries of the world. The aim of the present study is to make a through estimate of helminth and protozoan infection prevalence in dairy cattle around Taiwan. METHODS Coprological techniques, including direct fecal smear, simple flotation, and simple sedimentation, were used to ...

External Parasites of Livestocks in Iran

External Parasites of Horses

In Florida, horses have numerous arthropod pests. Most of these pests are considered external parasites as their attack on the horse is principally external, as opposed to internal parasites such as “worms” or nematodes and bots. The common external parasites include filth flies such as non-biting house flies and biting stable flies and occasionally horn flies, the numerous other blood-feeding ...

External Parasites of Poultry

External parasites most commonly infesting poultry in California include the northern fowl mite, the common poultry mite, several kinds of lice-and the chicken tick, which is often called the blue-bug in spite of the fact that it is a true tick. In some of the warmer dry areas of the state, stick-tight fleas and western hen fleas become troublesome. Losses suffered from such parasites are often...