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Author Polley, L.
Title Strongylid parasites of horses: experimental ecology of the free-living stages on the Canadian prairie Type Journal Article
Year 1986 Publication American Journal of Veterinary Research Abbreviated Journal Am J Vet Res
Volume 47 Issue 8 Pages 1686-1693
Keywords Animals; Canada; Ecology; Feces; Female; Horse Diseases/*epidemiology/parasitology; Horses; Larva; Ovum/cytology; Seasons; Strongyloides/isolation & purification; Strongyloidiasis/epidemiology/*veterinary
Abstract Each month for a 1-year period (October through September), equine fecal masses containing eggs of strongylid nematodes were placed outdoors on small grass plots in Saskatchewan, Canada. Thereafter, feces and grass from the plots were sampled after intervals of 1 week or longer, and the strongylid eggs and larvae recovered were counted. These observations were made over a 2-year period. Development of eggs to infective larvae occurred in all experiments, except those established in October, December, and January. Infective larvae from experiments set up in April through September survived that winter. During the summer, there was a gradual build up of infective larvae in the fecal masses, which reached a peak in August and September and then decreased into the winter. These results are discussed in the context of the control of strongylid parasites of horses on the Canadian prairie and in other areas of the world with a similar climate and similar horse management practices.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0002-9645 ISBN Medium
Area Expedition Conference
Notes PMID:3752676 Approved no
Call Number Equine Behaviour @ team @ Serial 2682
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Author Takai, S.; Narita, K.; Ando, K.; Tsubaki, S.
Title Ecology of Rhodococcus (Corynebacterium) equi in soil on a horse-breeding farm Type Journal Article
Year 1986 Publication Veterinary Microbiology Abbreviated Journal Vet Microbiol
Volume 12 Issue 2 Pages 169-177
Keywords Actinomycetales/classification/*growth & development; Animals; Corynebacterium/classification/*growth & development; Feces/microbiology; Female; Horses; Serotyping; *Soil Microbiology
Abstract The ecology of Rhodococcus (Corynebacterium) equi in soil was studied on a horse-breeding farm. R. equi was cultured from soil at a depth of 0, 10, and 20 cm on the six sites of the farm at monthly intervals for 10 months from March to December of 1983. The highest numbers of R. equi were found in the surface soil. The mean number of bacteria in soil samples at every depth increased remarkably from 0 or 10(2) to 10(4) colony-forming units (CFU) g-1 of soil in the middle of April, and later decreased gradually. R. equi inoculated into six soil exudate broths prepared from surface soils at separate sites yielded suspensions with different optical densities, indicating differences in growth. The distribution of serotypes in the soil was similar to that in the horses on the farm. These findings indicated that R. equi could multiply in the soil and flourish in the cycle existing between horses and their soil environment.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0378-1135 ISBN Medium
Area Expedition Conference
Notes PMID:3750818 Approved no
Call Number Equine Behaviour @ team @ Serial 2683
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Author Sabattini, M.S.; Monath, T.P.; Mitchell, C.J.; Daffner, J.F.; Bowen, G.S.; Pauli, R.; Contigiani, M.S.
Title Arbovirus investigations in Argentina, 1977-1980. I. Historical aspects and description of study sites Type Journal Article
Year 1985 Publication The American Journal of Tropical Medicine and Hygiene Abbreviated Journal Am J Trop Med Hyg
Volume 34 Issue 5 Pages 937-944
Keywords Animals; Arbovirus Infections/*epidemiology/microbiology; Arboviruses; Argentina; Birds; Cattle; Child; Climate; Ecology; Encephalitis Virus, St. Louis; Encephalitis Virus, Venezuelan Equine; Encephalitis Virus, Western Equine; Encephalitis, St. Louis/epidemiology/microbiology; Encephalomyelitis, Equine/epidemiology/microbiology/veterinary; Encephalomyelitis, Venezuelan Equine/epidemiology/microbiology/veterinary; Geography; Horse Diseases/epidemiology/microbiology; Horses/microbiology; Humans
Abstract This is the introductory paper to a series on the ecology of arboviruses in Argentina. Epizootics of equine encephalitis have occurred since at least 1908, principally in the Pampa and Espinal biogeographic zones, with significant economic losses; human cases of encephalitis have been rare or absent. Both western equine and eastern equine encephalitis viruses have been isolated from horses during these epizootics, but the mosquitoes responsible for transmission have not been identified. A number of isolations of Venezuelan equine encephalitis (VEE) virus were reported between 1936 and 1958 in Argentina, but the validity of these findings has been seriously questioned. Nevertheless, serological evidence exists for human infections with a member of the VEE virus complex. Serological surveys conducted in the 1960s indicate a high prevalence of infection of humans and domestic animals with St. Louis encephalitis (SLE), and 2 SLE virus strains have been isolated from rodents. Human disease, however, has rarely been associated with SLE infection. Only 7 isolations of other arboviruses have been described (3 of Maguari, 1 of Aura, 2 of Una, and 1 of an untyped Bunyamwera group virus). In 1977, we began longitudinal field studies in Santa Fe Province, the epicenter of previous equine epizootics, and in 1980 we extended these studies to Chaco and Corrientes provinces. The study sites are described in this paper.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0002-9637 ISBN Medium
Area Expedition Conference
Notes PMID:4037184 Approved no
Call Number Equine Behaviour @ team @ Serial 2685
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Author Clark, T.B.; Peterson, B.V.; Whitcomb, R.F.; Henegar, R.B.; Hackett, K.J.; Tully, J.G.
Title Spiroplasmas in the Tabanidae Type Journal Article
Year 1984 Publication Israel Journal of Medical Sciences Abbreviated Journal Isr J Med Sci
Volume 20 Issue 10 Pages 1002-1005
Keywords Animals; Diptera/*microbiology/ultrastructure; Ecology; Female; Hemolymph/microbiology; Male; Maryland; North Carolina; Plants/microbiology; Spiroplasma/classification/*isolation & purification/physiology
Abstract Spiroplasmas were observed in seven species of the family Tabanidae (horse flies and deer flies). This is the fifth family of the order Diptera now known to harbor spiroplasmas. Noncultivable spiroplasmas were seen in the hemolymph of three species of the genus Tabanus, and cultivable forms were isolated from the guts of six species in three genera. Isolates from T. calens and T. sulcifrons were serologically similar and closely related to a spiroplasma in the lampyrid beetle, Ellychnia corrusca. These three isolates represent a new serogroup. Isolates from Hybomitra lasiophthalma were related to Group IV strains, while those from T. nigrovittatus and Chrysops sp. both represented new serogroups. At least some tabanids probably acquire spiroplasmas from contaminated flower surfaces. The possibility of vertebrate reservoirs for some tabanid spiroplasmas remains an open question.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0021-2180 ISBN Medium
Area Expedition Conference
Notes PMID:6511308 Approved no
Call Number Equine Behaviour @ team @ Serial 2687
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Author Barton, M.D.; Hughes, K.L.
Title Ecology of Rhodococcus equi Type Journal Article
Year 1984 Publication Veterinary Microbiology Abbreviated Journal Vet Microbiol
Volume 9 Issue 1 Pages 65-76
Keywords Actinomycetales/growth & development/immunology/*isolation & purification; Animal Husbandry; Animals; Antigens, Bacterial/immunology; Artiodactyla/*microbiology; Australia; Digestive System/microbiology; Ecology; Feces/*microbiology; Horses/*microbiology; Hypersensitivity, Delayed; Rabbits/microbiology; *Soil Microbiology
Abstract A selective broth enrichment technique was used to study the distribution of Rhodococcus equi in soil and grazing animals. Rhodococcus equi was isolated from 54% of soils examined and from the gut contents, rectal faeces and dung of all grazing herbivorous species examined. Rhodococcus equi was not isolated from the faeces or dung of penned animals which did not have access to grazing. The isolation rate from dung was much higher than from other samples and this was found to be due to the ability of R. equi to multiply more readily in dung. Delayed hypersensitivity tests were carried out on horses, sheep and cattle, but only horses reacted significantly. The physiological characteristics of R. equi and the nature of its distribution in the environment suggested that R. equi is a soil organism.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0378-1135 ISBN Medium
Area Expedition Conference
Notes PMID:6719819 Approved no
Call Number Equine Behaviour @ team @ Serial 2688
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Author Alexander, D.J.
Title Ecological aspects of influenza A viruses in animals and their relationship to human influenza: a review Type Journal Article
Year 1982 Publication Journal of the Royal Society of Medicine Abbreviated Journal J R Soc Med
Volume 75 Issue 10 Pages 799-811
Keywords Animals; *Animals, Domestic; Bird Diseases/transmission; Birds; Disease Outbreaks; Ecology; Horse Diseases/transmission; Horses; Humans; Influenza A virus/genetics/isolation & purification; Influenza, Human/microbiology/*transmission/veterinary; Swine; Swine Diseases/transmission; Zoonoses/transmission
Abstract
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0141-0768 ISBN Medium
Area Expedition Conference
Notes PMID:6752410 Approved no
Call Number Equine Behaviour @ team @ Serial 2689
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Author Strickman, D.
Title Notes on Tabanidae (Diptera) from Paraguay Type Journal Article
Year 1982 Publication Journal of Medical Entomology Abbreviated Journal J Med Entomol
Volume 19 Issue 4 Pages 399-402
Keywords Animals; Cattle; Diptera/*growth & development; Dogs; Ecology; Female; Geography; Horses; Humans; Insect Bites and Stings/epidemiology/veterinary; Male; Paraguay
Abstract
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0022-2585 ISBN Medium
Area Expedition Conference
Notes PMID:7154018 Approved no
Call Number Equine Behaviour @ team @ Serial 2690
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Author Milouchine, V.N.
Title The role of WHO in international studies on the ecology of influenza in animals Type Journal Article
Year 1980 Publication Comparative Immunology, Microbiology and Infectious Diseases Abbreviated Journal Comp Immunol Microbiol Infect Dis
Volume 3 Issue 1-2 Pages 25-31
Keywords Animals; Birds/microbiology; Horses/microbiology; Humans; Influenza A virus/*isolation & purification/physiology; Orthomyxoviridae Infections/microbiology/*veterinary; Swine/microbiology; World Health Organization
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0147-9571 ISBN Medium
Area Expedition Conference
Notes PMID:6258848 Approved no
Call Number Equine Behaviour @ team @ Serial 2692
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Author Ribeiro, H.S.; Larangeira, N.L.; Paiva, F.
Title [Prevalence of Dictyocaulus arnfieldi (Cobbald, 1884) Railiet & Henry 1907, in Pantaneira breed horses of the region of Pocone, MT] Type Journal Article
Year 1979 Publication Arquivos do Instituto Biologico Abbreviated Journal Arq Inst Biol (Sao Paulo)
Volume 46 Issue 3-4 Pages 107-110
Keywords Animals; Brazil; Dictyocaulus/*isolation & purification; Ecology; Female; Horses/*parasitology; Male; Metastrongyloidea/*isolation & purification; Seasons
Abstract The authors sacrificed fifty-five horses originated from the “Pantanal”, lowlands in the State of Mato Grosso in two different periods, droughty period and flooded and they described for the first time the Dictyocaulus arnfieldi in Mato Grosso. Relationship between droughty and flooded periods proved not to occur.
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Language Portuguese Summary Language Original Title Prevalencia de Dictyocaulus arnfieldi (Cobbald, 1884) Railiet & Henry 1907, em cavalos de raca pantaneira da regiao de Pocone, MT
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0020-3653 ISBN Medium
Area Expedition Conference
Notes PMID:554599 Approved no
Call Number Equine Behaviour @ team @ Serial 2693
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Author Iwuala, M.O.; Okpala, I.
Title Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates Type Journal Article
Year 1978 Publication Bulletin of Animal Health and Production in Africa. Bulletin des Sante et Production Animales en Afrique Abbreviated Journal Bull Anim Health Prod Afr
Volume 26 Issue 4 Pages 351-359
Keywords Animal Diseases/*epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/*veterinary; Goats; Horses; Nigeria; Seasons; Sheep; Swine
Abstract
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Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0378-9721 ISBN Medium
Area Expedition Conference
Notes PMID:756759 Approved no
Call Number Equine Behaviour @ team @ Serial 2695
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