This guide provides an outline of practices for the management of external arthropod pests such as flies,lice, mites and grubs on organic dairy farms. Left uncontrolled, these pests negatively impact animal health and production. While organic...

Dung beetles are important insects for pasture ecology and soil health. They move manure into the soil, thus increasing organic matter, improving soil structure, increasing water infiltration and providing essential nutrients for grass growth...

will kill horn and face flies. Be aware that some of these products can affect beneficial organisms within the manure pat, including dung beetles. Be sure that the product you use is labeled for the fly species you want to control. Insecticide Feed...
exist for fly management on organic dairies. However, flies can be effectively managed by a combination or cultural, biological and chemical control on organic farms. Be sure that the product you use is labeled for the fly species you want to control...

in the manure will kill horn and face flies. Be aware that some of these products can affect beneficial organisms within the manure pat, including dung beetles. Be sure that the product you use is labeled for the fly species you want to control. Insecticide...
, biological and chemical control on organic farms. Be sure that the product you use is labeled for the fly species you want to control. Organic Dairy Insecticides PYRETHRUM (INSECTICIDE GROUP 3) MGK Evergreen Pyrethrum Concentrate PyGanic Livestock...

, decaying vegetation 20 to 30 days > 20 miles Remarks: Blood feedi ng results in decreased performance production. Foot stomping is good indication of fly presence. Horse fly, Tabanus atratus several species 4, 5 (on front) 1 to 3 years Margins...
species to one year Remarks: Transmit bluetongue and encephalitis; feed in evening and at night. Mosquitoes, Culex spp. 11 7 to 30 days several species Aedes spp. water-filled holes, animal wastes, swamps Stagnant water containing organic matter...

Moore (Organic Dairy Producers, Moore Farms, Nichols, NY) Diane Schivera (Organic Livestock Specialist, Maine Organic Farmer’s and Gardeners Association, ME) Linda Tikofsky (DVM, Quality Milk Productions, Cornell University) *Pesticide Information...
(Dairy Specialist, Cornell Cooperative Extension) Andrew Dunn (DVM, Large Animal Veterinarian, Eastview Veterinary Clinic, Penn Yan, NY) Lisa Engelbert (Organic Dairy Producer and Certifier for Northeast Organic Farming Association of NY). Michael Helms...

of cattle. Insect and mite pest activity results in lowered milk production levels and reduced feed conversion efficiency. It exposes cattle to pathogenic microorganisms and causes blood loss and hide damage. It can lead to public health–public nuisance...
concerns. Moreover, insect and mite pest pressure can add to stresses on young replacement animals, delaying their entry into production and adversely affecting lifelong production performance. As herd sizes increase on modern farms, pest pressures often...

Flies, beetles, and mites are often a major concern for commercial poultry operations in the northeastern United States. The high-density, confined housing systems used in poultry production create conditions that favor the development of manure...

The two principal fly pests of confined livestock are house flies and stable flies. House flies, Musca domestica (fig. 1), are non biting insects that breed in animal droppings, manure piles, decaying silage, spilled feed, bedding, and other organic matter...
at each meal. Cows’ stomping of feet is a good indication that stable flies are present because they normally attack legs and bellies (fig. 4). Production performance declines in infested herds because of the painful bites the cows sustain and the animals...

. Several application methods are available. Insecticides must be used properly to achieve satisfactory control of lice. Many louse-control products require two treatments, 10 to 14 days apart. The second treatment is essential to kill newly hatched lice...
, and other moist, warm decaying organic matter. Adult house flies are about 1/4 inch long and mostly dull gray in color, with four black stripes on the thorax (Figure 2). Their mouthparts are spongelike and are used for ingesting liquid foods. Each female can...