نتایج جستجو برای: harmful and beneficial mites
تعداد نتایج: 16834957 فیلتر نتایج به سال:
Mites in the genus Dermanyssus are external parasites of birds, rodents and other mammals. The most common member of this group is the Chicken Mite that infests poultry roosts and wild bird nests. The chicken mite feeds primarily at night when the birds return the nest or roast area. They hide during the day in nearby cracks, crevices and other protected sites. These mites are known to infest h...
Personalization in information systems can be considered beneficial but also ethically and socially harmful. Like many other technologies, the uptake of personalization has been rapid, with inadequate consideration given to its effects. Personalization in e-learning systems also has potential for both harmful and beneficial outcomes, but less is known about its effects. The ethical and social h...
This is the protocol for a review and there is no abstract. The objectives are as follows: To determine the effects, both harmful and beneficial of aspirin in the primary prevention of coronary heart disease. PRIMARY QUESTIONS Does aspirin prevent fatal and non-fatal CHD in people without symptomatic vascular disease? Does aspirin reduce all-cause and cardiovascular mortality? SECONDARY QUE...
Concentrated ownership of large listed companies is widespread throughout the world, and Germany is typical in this respect. This paper proposes a method of distinguishing empirically between the beneficial and harmful effects of ownership concentration, and applies it to German data. The results show that, for most types of largest shareholder, the beneficial effects on minority shareholders o...
Herbs and herbal products are considered to be safer and people mix it often with the oral hypoglycemic agent in diabetes therapy. But numerous reports say that every combination of herbs and drugs is not safe. Some combinations may be beneficial and some may be harmful also. So before taking any herbal remedies with oral hypoglycemic agent, patient should consult physician. In this paper we ar...
background: blood sucking mites are important avian ectoparasites which being found on bird species worldwide. their presence are problematic for the producers either through potential direct effects on weight gain, egg production, sperm production in roosters or as nuisance pests on worker handle hens and eggs. the aim of this study was pointing out of the status of haematophagus mites. metho...
The article provides information on the harm and control methods of apple red mite (Panonychus ulmi Koch) in orchards. Apple is most dangerous pest seed orchards other crops European countries. This can destroy more than half crop yield some fields. In normal years, spiders are said to 6-10% gross crop, years even 14%. harmful terms mites. It main melons, technical plants, horticulture, ornamen...
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