نتایج جستجو برای: ectoparasite
تعداد نتایج: 833 فیلتر نتایج به سال:
Ectoparasites present a global challenge to animal health, affecting wide range of species. These parasites can infect both animals and humans, leading significant health issues. The impact ectoparasites extends beyond as they also reduce the productivity livestock. Moreover, many ectoparasite species act vectors for bacterial, viral, or parasitic pathogens, thereby posing risks human health. H...
The lice (Insecta: Phthiraptera) are permanent obligatory ectoparasite of a diverse selection of birds and mammals with a worldwide distribution. This study provides information on the lice species most commonly associated with peacock in Sistan, southeast Iran. There is no previous described study on lice infestation of peacock in Iran. For this aim, Peacock were examined carefully for chewing...
Rhynchopolipus rhynchophori (Ewing) (Acari: Podapolipidae) is an ectoparasite of the palm weevils, Rhynchophorus palmarum L. and Rhynchophorus ferrugineus (Olivier), whose implications in the biological control of the weevils are acquiring more and more interest. Hence there is a need to discern this mite species and others species, which can be found on the palm weevils. In this paper, species...
Forum Ideal flea constraints on group living: unwanted public goods and the emergence of cooperation
Long ago, Hamilton (1971) proposed that the ‘‘selfish herd’’ effect, while primarily thought to reduce predation risk, might also apply to avoiding parasites. Solitary individuals suffer higher ectoparasite burdens if they lack conspecifics either to absorb collateral damage from the local ectoparasite population or to remove ectoparasites by allogrooming. By grouping, therefore, animals may re...
The immune response is affected by aridity, but it has been rarely examined in desert-dwelling bats. For two consecutive years, we the seasonal variation innate of an insular desert bat, fish-eating myotis (Myotis vivesi), relation to its reproductive activity and ectoparasite load. We evaluated based on external morphological traits testosterone levels plasma for males progesterone estradiol f...
Pediculosis capitis, or head lice, is a world-wide public health concern affecting persons of all ages and socioeconomic backgrounds. It is caused by Pediculus humanus capitis, an obligate ectoparasite that lives on human hair and feeds on the blood from the skin. Upon diagnosis, treatment should be initiated, since established infestations with head lice generally do not spontaneously resolve....
The poultry red mite, Dermanyssus gallinae is one of the most economically important ectoparasites in hens and some species of mammals worldwide. Cases of human infestation have been reported worldwide. In this study we report infestation in three members of a family referred with pruritus and allergic dermatitis rash. They have collected very small animals and carried them to the laboratory wh...
The infestation status of head louse among children attending primary schools and kindergartens in Chinju-shi, Kyongsangnam-do, Korea, was investigated between June and July 1999. Out of 2,288 children examined, 3.9% of boys (48/1,242) and 23.5% of girls (246/1,046) were infested with nits or adult/nymphs of lice. The effectiveness of lindane shampoo (1% gamma benzene hexachloride solution) was...
In the northern hemisphere, Caribou (Rangifer spp.) populations are known to be infested with the skin-penetrating ectoparasite, Hypoderma tarandi (Diptera; Oestridae). Although regarded as host specific, H. tarandi has been reported from other species, and has become of increasing concern as a zoonosis infecting humans. In February 2012, concurrent with the hunting of muskoxen, we examined car...
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