Records |
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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ISSN |
0378-1135 |
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Notes |
PMID:3750818 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2683 |
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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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0378-1135 |
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Notes |
PMID:6719819 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2688 |
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Author |
Hutchinson, G.W.; Abba, S.A.; Mfitilodze, M.W. |
Title |
Seasonal translation of equine strongyle infective larvae to herbage in tropical Australia |
Type |
Journal Article |
Year |
1989 |
Publication |
Veterinary Parasitology |
Abbreviated Journal |
Vet Parasitol |
Volume |
33 |
Issue |
3-4 |
Pages |
251-263 |
Keywords |
Animals; Feces/*parasitology; Horses; Queensland; Seasons; Strongyle Infections, Equine/*parasitology; Strongyloidea/growth & development/*physiology; Strongylus/growth & development/*physiology; Tropical Climate |
Abstract |
Longevity in faeces, migration to and survival on herbage of mixed strongyle infective larvae (approximately 70% cyathostomes: 30% large strongyles) from experimentally deposited horse faeces was studied in the dry tropical region of North Queensland for up to 2 years. Larvae were recovered from faeces deposited during hot dry weather for a maximum of 12 weeks, up to 32 weeks in cool conditions, but less than 8 weeks in hot wet summer. Translation to herbage was mainly limited to the hot wet season (December-March), except when unseasonal winter rainfall of 40-50 mm per month in July and August allowed some additional migration. Survival on pasture was estimated at 2-4 weeks in the summer wet season and 8-12 weeks in the autumn-winter dry season (April-August). Hot dry spring weather (pre-wet season) was the most unfavourable for larval development, migration and survival. Peak counts of up to 60,000 larvae kg-1 dry herbage were recorded. The seasonal nature of pasture contamination allowed the development of rational anthelmintic control programs based on larval ecology. |
Address |
Graduate School of Tropical Veterinary Science, James Cook University of North Queensland, Townsville, Australia |
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ISSN |
0304-4017 |
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Notes |
PMID:2815535 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2672 |
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Author |
Nicol, C.J.; Davidson, H.P.D.; Harris, P.A.; Waters, A.J.; Wilson, A.D. |
Title |
Study of crib-biting and gastric inflammation and ulceration in young horses |
Type |
Journal Article |
Year |
2002 |
Publication |
The Veterinary record |
Abbreviated Journal |
Vet. Rec. |
Volume |
151 |
Issue |
22 |
Pages |
658-662 |
Keywords |
Animal Husbandry/methods; Animals; Antacids/therapeutic use; *Behavior, Animal; Diet/veterinary; Endoscopy, Gastrointestinal/veterinary; Feces/chemistry; Female; Gastritis/diet therapy/physiopathology/*veterinary; Horse Diseases/diet therapy/*physiopathology/psychology; Horses; Hydrogen-Ion Concentration; Male; Random Allocation; Stereotyped Behavior/*physiology; Stomach Ulcer/diet therapy/physiopathology/*veterinary; Treatment Outcome; Weaning |
Abstract |
Nineteen young horses that had recently started to perform the stereotypy of crib-biting were compared with 16 non-stereotypic horses for 14 weeks. After initial observations of their behaviour and an endoscopic examination of the condition of their stomachs, the horses were randomly allocated to a control or an antacid diet At the start of the trial, the stomachs of the crib-biting foals were significantly more ulcerated and inflamed than the stomachs of the normal foals. In addition, the faecal pH of the crib-biting foals (6.05) was significantly lower than that of the normal foals (6.58). The antacid diet resulted in a significant improvement in the condition of the horses' stomachs. The crib-biting behaviour declined in most of the foals, regardless of their diet, but tended to decline to a greater extent in the foals on the antacid diet. |
Address |
Department of Clinical Veterinary Science, University of Bristol, Langford House, Bristol BS40 5DU |
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Edition |
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ISSN |
0042-4900 |
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Notes |
PMID:12498408 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
83 |
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Author |
Beerwerth, W.; Schurmann, J. |
Title |
[Contribution to the ecology of mycobacteria] |
Type |
Journal Article |
Year |
1969 |
Publication |
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. 1. Abt. Medizinisch-Hygienische Bakteriologie, Virusforschung und Parasitologie. Originale |
Abbreviated Journal |
Zentralbl Bakteriol [Orig] |
Volume |
211 |
Issue |
1 |
Pages |
58-69 |
Keywords |
*Animal Feed; Animals; Cattle; Chickens; Ecology; Feces/*microbiology; *Food Microbiology; Germany, West; Horses; Hydroxides; Mycobacterium/classification/*isolation & purification; Mycobacterium tuberculosis/isolation & purification; Oxalates; *Sewage; Sheep; Sodium; *Soil Microbiology; Swine; *Water Microbiology |
Abstract |
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Language |
German |
Summary Language |
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Original Title |
Zur Okologie der Mykobakterien |
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Edition |
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ISSN |
0372-8110 |
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Notes |
PMID:4989344 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2743 |
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