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Briefs-Arthropod ectoparasites of vertebrates in Canada Ectoparasites have the potential to affect the health and general well being of wildlife and domestic animal populations, and they may seriously restrict habitat and land resource use because of stress and reduced performance of animals living in a particular habitat. Ectoparasites which spend the majority of their time off the host, in the nest, or for which the nest is the only place in which certain life cycle stages occur (e.g. Ectoparasites which occur in nests used by their host for only one breeding season, or in one of several nests maintained by their host, must have effective dispersal mechanisms to locate a new host, or they may fail to develop a narrow dependency on that host. www.biology.ualberta.ca /bsc/briefs/brarthro.htm   (3211 words)

New Page 0 Ectoparasites of squirrels of the genus Sciurus from Indiana. Ectoparasites of the bog lemming, Synaptomys cooperi, in Indiana. Ectoparasitic mites and lice, from mice of the genus Peromyscus from Oregon. isu.indstate.edu /~jowhitak/whitakerpubs.htm   (3999 words)

Ectoparasites of fish and Invertebrates of the Salton Sea Ectoparasites of fish and Invertebrates of the Salton Sea All these ectoparasites affect fish gills and skin, which are the major respiratory organs for young fish. The young of tilapia, croaker, and longjaw mudsucker were found infected by ectoparasites that is parasites that attach to the external body surfaces. www.sci.sdsu.edu /salton/FishParasitePoster.html   (1328 words)

Lance A. Durden Ectoparasites of sympatric meadow voles and white-footed mice at Fort Detrick, Maryland. Ectoparasites of the raccoon (Procyon lotor) from north-central Arkansas. Ectoparasites of opossums and raccoons in southeastern Georgia. www.bio.georgiasouthern.edu /Bio-home/durden/pubs.html   (4351 words)

PROTOCOLS FOR MEASURING BIODIVERSITY: Parasites of Birds Ectoparasites, for purposes of this discussion, include the leeches and a variety of arthropods such as lice, fleas, ticks and mites. Because some ectoparasites can leave the host, each individual should be placed in a separate container immediately after capture or death to ensure that no parasites are lost and that none transfer for one host to another. Ectoparasites can be removed manually from living hosts, however quantification of the parasite loads may be problematic. www.eman-rese.ca /eman/ecotools/protocols/terrestrial/parasites_of_birds/page11.html   (1616 words)

Nest-site Selection, Ectoparasites, and Mitigation Techniques I identify the species of ectoparasites I collected from adult and juvenile owls, and describe their relative abundance on a per brood basis. Ectoparasite levels were similar between years of my study and thus, ectoparasite levels had no influence on nest-site reuse between years. Ectoparasite level did not affect juvenile owl growth (mass and tenth primary length) or fledging success when analyzing brood averages. rrc.boisestate.edu /Abstracts/BW%20Smith%20abstract.htm   (658 words)

Insects - Insect Ectoparasites Insect ectoparasites are those insects that live on the outside of other animals (ecto = outside). For example, mosquitoes are not ectoparasites; they do not live on humans, but only visit for a blood meal. Insect ectoparasites are often highly adapted to their specialised host environments. www.austmus.gov.au /insects/features/index.cfm   (585 words)

[No title]   (Site not responding. Last check: 2007-10-29) A kit for treating an ectoparasite infestation of the body, comprising a delousing comb and a container having therein the composition of claim 20. A substantially anhydrous fluid composition for ectoparasite removal, comprising about 30 to about 50 weight percent of a substantially anhydrous silica, aluminosilicate, alkaline earth metal oxide or combination of two or more thereof and about 30 to about 60 weight percent of a light or heavy mineral oil, glycol or glycerol. A kit for treating an ectoparasite infestation of the body, comprising a delousing comb and a container having therein the composition of claim 24. www.wipo.int /cgi-pct/guest/getbykey5?KEY=02/100418.030403&ELEMENT_SET=DECL   (462 words)

Memórias on line Ectoparasitic arthropods that infest mammals are either insects or acarines (Kettle 1985). Some ectoparasites are biological vectors of pathogenic organisms (viruses, bacteria, protozoans, and helminths) among their hosts (Kettle 1985). The objectives of the present study were to (1) describe the relationship between three Atlantic forest rodent species and their ectoparasites; (2) assess the degree of host ectoparasite specificity; and (3) examine the influence of rainfall on ectoparasite abundance. memorias.ioc.fiocruz.br /977/4594.html   (393 words)

Northeastern Naturalist: Ectoparasites of small mammals from the Newport Chemical Depot, Vermillion County, Indiana Thirty-two new ectoparasitic host records are reported for Indiana, of which 16 are new records for respective hosts throughout their entire range. Ectoparasites were recovered by thawing the mammals and processing them individually using the washing technique outlined by Whitaker et al. It should be noted that certain ectoparasites, particularly fleas and large mites, may have abandoned their hosts between the time of death and collection. www.findarticles.com /p/articles/mi_qa3845/is_200301/ai_n9230485   (1298 words)

Postgraduate Medicine: Eradication of ectoparasites in children In this article, Dr Potts describes the presentation of ectoparasites and discusses conservative treatment and the safe use of pediculicides. Potts J. Eradication of ectoparasites in children: how to treat infestations of lice, scabies, and chiggers. The head louse (Pediculus humanus capitis), which is responsible for the most common pediatric ectoparasite infestation, easily spreads from person to person. www.postgradmed.com /issues/2001/07_01/potts.htm   (2414 words)

MedFriendly.com: Ectoparasite An ectoparasite is a parasite that lives on the surface of the body. Ectoparasites gain nourishment from the skin of the organism that they live on or by sucking out the blood. Unlike ectoparasites, endoparasites are parasites that live inside the body. www.medfriendly.com /ectoparasites.html   (174 words)

Ectoparasite research | Insect Ecology & Veterinary Parasitology | Unversity of Bristol In this research group we are concerned largely with the ecology and control of economically important arthropods which spend all or some portion of their lives parasitising livestock, poultry or companion animals. Ectoparasites also may cause disturbance, resulting in reduced growth and loss of condition because the time spent in avoidance behaviour is lost from grazing or resting. In addition, ectoparasites are important because of their action as vectors of a wide range of pathogens. www.bio.bris.ac.uk /research/insects/ecto.html   (241 words)

Bioline International Official Site (site up-dated regularly) Larger ectoparasites were removed from the fur, ears and tail with fine combs, toothbrushes or tweezers and stored in 70% alcohol. Ectoparasites that fell from the animals during anesthesia in the plastic bag were also stored in 70% alcohol. Ectoparasites were scarce on this rodent, contrasting with the findings of Linardi et al.(1987) who reported parasitism by other mites and fleas on this rodent. www.bioline.org.br /request?oc02218   (2275 words)

Lysyk: Livestock IPM Non-continuous ectoparasites complete a portion of their life cycle on the host and one or more stages are completed off-host. Non-continuous ectoparasites have brief association with the host and not all of the ectoparasite population may be on the host at any one time. Axtell and Arends (1990) recommend that detection of a single ectoparasite is sufficient cause to treat due to their potential to increase in number and their ability to disperse undetected. ipmworld.umn.edu /chapters/lysyk.htm   (5245 words)

Australia.Merial.com : Horse Owners : Disease Information   (Site not responding. Last check: 2007-10-29) Ectoparasite infestation affects the health of the host animal in several ways. The horse may be so preoccupied with the itching and irritation caused by ectoparasites that feeding is irregular and, consequently, the host fails to thrive. Ticks are the most important ectoparasite of horses and are most frequently found in the hotter areas. au.merial.com /horse_owners/disease/intro.html   (833 words)

Ectoparasites Many disease-producing microorganisms (bacteria, viruses, and protozoans) are dependent on ectoparasites for their transmission. ECTOPARASITE - An organism that lives on the surface of the body of a host organism to the detriment of this host. Some of these organisms are ectoparasitic and therefore harmful to the nest owner, but others may actually be beneficial to their hosts by cleaning the nest of feces and other organic debris, and by eating or parasitizing the bird's parasites. www.purplemartin.org /update/Parasites.html   (5140 words)

Colour cotton and organic manure producers - T.Stanes and Company Limited, Coimbatore, India   (Site not responding. Last check: 2007-10-29) Ectoparasites are found world wide and can cause problems both by carrying and transmitting disease, besides causing paralysis and anaemia in animals.Depending on the number, type of ectoparasites, the size and the age of the animals as well as its overall health, the ectoparasites can make the pet seriously anaemic. A variety of insecticides like resmethrin, carbaryl, permethrin, chlorpyrifos, dioxathion and allethrin are available to control ectoparasites,but their indiscriminate use however causes environmental pollution resulting in hazards to man, plants and wild life.They also contaminate soil, water and food chain. Stubborn ectoparasites are acted upon by the extracts present along with azadirachtin. www.tstanes.com /nimbis.html   (784 words)

[No title] It is believed that these high elevation sites may be refugia for more boreal host mammals and their parasites, some of which are "winter fleas", that is, only present as adults during the cold months of the year, and thus we chose to collect at that time. Five squirrels found dead on the road were also brushed for parasites, and their bodies were left in the woods adjacent to the roadway on which they were found. Ectoparasites were immediately preserved in 70% ETOH, and later were decolorized in 10% KOH, dehydrated in ethanol, cleared in xylene, and mounted to slides in Canada balsam. www.discoverlife.org /pa/ev/me/ectoparasites.html   (1140 words)

Memórias on line Ectoparasite total mean abundance and total prevalence were higher in Holochilus brasiliensis (MA = 47.7; P = 100%) and Scapteromys aquaticus (MA = 25.4; P = 95.4%), meanwhile specific richness and diversity were higher in Oligoryzomys flavescens (S = 6; H = 1.3) and Akodon azarae (S = 4; H = 1.0). In Argentina there are relatively few records of ectoparasites of wild rodents where mites, ticks and fleas are studied simultaneously (Castro et al. Early researches were primarily lists of hosts and their ectoparasite species and taxonomic studies, but little has been published about the ectoparasite infestation parameters. memorias.ioc.fiocruz.br /981/4674.html   (537 words)

Dermanol for Animals   (Site not responding. Last check: 2007-10-29) Frequent Ectoparasitic infestation by Lice, Ticks, Mites, Flies and Fleas in dogs causes great concern to pet owners and practitioners. In spite of the use of any ectoparasiticide, frequent reinfestation of ectoparasites is commonly observed in dogs due to their contact with other infested dogs and hiding of ectoparasites in bedding, walls or floors of the kennel. Incidence of Ectoparasitic infestation is more frequently observed in summer and rainy season. www.indianherbs.org /ectodust.htm   (417 words)

Singapore Merial.com : Pet Owners : Dogs : Disease Information   (Site not responding. Last check: 2007-10-29) Ectoparasite infectation affects the health of the host animal in several ways. Dogs may be so preoccupied with the itching and irritation caused by ectoparasites that feeding is irregular and, consequently, the host dog may lose weight or grow slowly. The effects of both endo and ectoparasites acting together on dogs are greater than the damage caused by either type of parasite by itself. sg.merial.com /pet_owners/dogs/disease_info   (488 words)

[No title] This behavior may be the result of the host's desire to rid itself of ectoparasites. The biomass of both the benthic animals and the ectoparasites on the host needs to be investigated in detail to clarify this switching mechanism. Ectoparasites also cause substantial damage to aquaculture in Japan. www.lib.noaa.gov /japan/aquaculture/proceedings/report30/shigeta.htm   (2275 words)

Dermanol for Animals   (Site not responding. Last check: 2007-10-29) Ectoparasitic infestation by lice, ticks, fleas, mites etc., are very common in dogs, livestock and poultry. EctoZee causes visible shrivelling of the bodies, eventually causing mortality of the ectoparasites. The low toxicity of EctoZee facilitates its application on the skin for a prolonged period thereby ensuring its optimum action on the ectoparasites involved. www.indianherbs.org /ectozee.htm   (242 words)

PROVET HEALTHCARE INFORMATION - Ectoparasites in Reptiles   (Site not responding. Last check: 2007-10-29) You should seek the advice of your veterinarian if your pet is ill as only he or she can correctly advise on the diagnosis and recommend the treatment that is most appropriate for your pet. Reptiles often contract ectoparasites eg mites and ticks, and treatment of the environment is important as well as treating the individual. When a reptile contracts ectoparasites such as mites or ticks, it is important to clean the environment as well as the reptile itself. www.provet.co.uk /health/diseases/ectoparasitereptiles.htm   (228 words)

Flea News 55, January 1998 Ectoparasites of synanthropic and wild rod-ents as possible carriers of microbes patho-genic to man. pp. Treatment of pet ectoparasites and their associated medical conditions account for over half the annual gross income of the typical small animal veterinary practice in California. Ectoparasites of the bee-eater (Merops apiaster) and arthropods in its nests. www.ent.iastate.edu /fleanews/fleanews55.html   (6592 words)

Causes of Pruitus and Alopecia in Cattle   (Site not responding. Last check: 2007-10-29) Causes of skin disease are many, including ectoparasites, bacteria, viruses, external irritants, allergic reactions, fungi and trauma. Ectoparasites include mange and lice, which are more often seen as cool weather problems. Many producers, when they see their cattle scratching, think ectoparasites are the major cause. www.vet.ksu.edu /cdroms/merial/misc/99062.htm   (1045 words)

AN IMPROVED METHOD FOR COLLECTING BIRD ECTOPARASITES   (Site not responding. Last check: 2007-10-29) The apparatus is most useful for removing large ectoparasites such as louse flies from wild birds, but it can also be used to remove smaller ectoparasites such as lice, fleas and mites. The first apparatus for collecting bird ectoparasites without harming the birds was designed by Williamson (1954). Collecting ectoparasites such as louse flies (Diptera: Hippoboscidae) without harming the bird is impor- tant not only for the bird's sake, but for the collection itself, as rough handling of the host may cause the flies to escape. elibrary.unm.edu /sora/JFO/v066n02/p0212-p0214.html   (1466 words)

Squirrel fibromatosis vs. bot fly infestation: Exposure & transmission For example, direct passage or ectoparasites may have been involved in fibroma virus transmission among caged groups of pre-release, rehabilitated fox and gray squirrels that were infested with mange mites or lice (Miller, 1992; 2000). For example, a captive-raised and subsequently released eastern gray squirrel was observed to develop wart-like lesions in the 'autumn' and eventually became moribund and died in early January with diagnosed fibromastosis (Novilla et al., 1981). In that ectoparasites can produce a variety of deleterious effects, including dermatitis, excessive scratching, fur loss, reduced food intake, anemia and weight loss (Steelman, 1976; Rust & Dryden, 1997), their occurrence, especially at high densities, likely could impair their hosts' immune responses, making the parasitized animals more susceptible to pathogens (Wikel et al., 1996). botfly.ifas.ufl.edu /fibroma/fibrexpo.htm   (2575 words)

Phthiraptera Unlike many other ectoparasites, the Phthiraptera cannot survive long if separated from the body of their host. Haematopinidae (Ungulate Lice) -- ectoparasites of cattle, deer, pigs, horses, and zebras (e.g., the hog louse, Haematopinus suis). All members of the family Echinophthiriidae are ectoparasites of aquatic mammals (mostly seals and sea lions). www.cals.ncsu.edu /course/ent425/compendium/phthir~1.html   (768 words)

Key Publications Four genera of scombrid fishes (26 species) and their copepod (32 species) and monogenean ectoparasites (25 species) were used to test the hypothesis that the East Pacific Barrier is responsible for the most pronounced break in the circum-tropical warm water fauna of the continental shelves, and not the New World Barrier. In both Antarctic and tropical fish, different fish of the same species may have different dominant species of endo- and ectoparasites, although there is a greater range of dominant species of tropical ectoparasites, a consequence of the greater species pool available. Assemblages of metazoan ectoparasites of 79 species and gastrointestinal helminths of eight species of marine fishes were analysed to examine whether nestedness is related to sample size, abundance, species richness, and prevalence of infection, and whether the use of z-scores or Monte Carlo simulations yields different results. www-personal.une.edu.au /~krohde/key_publications.htm   (6805 words)

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