On the intestinal yeast flora of horses, sheep, goats and swine.
Abstract: From the caeca of 252 horses, 503 sheep, 250 goats and 250 swine, 486 yeast isolates belonging to 28 species and 1 variety were obtained. The distribution of the yeasts of any species and for Candida albicans respectively was: horses, 52·4%, 4·4%; sheep, 6·8%, 4·2%; goats, 6·4%, 08%; swine, 88·8%, 9·2%. The suitability of the sheep and goats as hosts for yeasts of any species seems very limited.
The most frequent occurrences for single species were: Candida slooffii in swine (48·4%), Trichosporon cutaneum in horses (21·8%) and Saccharomyces tellustris (Candida bovina) in swine (14%).
One isolate of Cryptococcus neoformans was obtained from a healthy horse, suggesting that horses might sometimes contribute to the dispersal of this pathogen. Temperature relations, vitamin requirements and some assimilative properties of the following organisms were determined (total number of isolates in brackets): Saccharomyces tellustris (3), Torulopsis glabrata (6), T. pintolopesii (10), Candida bovina (6), C. slooffii (6), Cryptococcus neoformans (23) and Trichosporon cutaneum (12).
Publication Date: 1958-12-01 PubMed ID: 13611185DOI: 10.1099/00221287-19-3-435Google Scholar: Lookup
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Summary
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This research explores the intestinal yeast flora of various farmhouse animals and examines the distribution, temperature relations, vitamin requirements and some assimilative properties of the organisms. The prevalence of various yeast species in horses, sheep, goats and swine was assessed and evaluated.
Animal Yeast Flora Distribution
- The study analysed the intestinal yeast flora from the caeca (part of the digestive system) of numerous farmhouse animals. This included 252 horses, 503 sheep, 250 goats and 250 swine – a total of 1,255 animals.
- From these animals, 486 yeast isolates, belonging to 28 different species along with one variety, were identified.
Yeast Species Variation among Animals
- The distribution of yeasts found varied across different animals. Horses showed the highest distribution for any species at 52.4% and a 4.4% distribution for Candida albicans, a common yeast type found in mammals.
- Swine showed the highest concentration of Candida albicans at 9.2%, and also had the most significant overall yeast distribution at 88.8%.
- In comparison, sheep and goats were less suited as hosts for yeasts, with respective distributions of 6.8% and 6.4% for any yeast species, and 4.2% and 0.8% for Candida albicans.
Most Frequent Occurrences
- The most frequently occurring single species were Candida slooffii in swine (48.4%), Trichosporon cutaneum in horses (21.8%) and Saccharomyces tellustris (also known as Candida bovina) in swine (14%).
Pathogen Dispersal and Yeast Properties
- The study discovered one isolate of Cryptococcus neoformans, a yeast that can cause disease, in a healthy horse, suggesting that horses might sometimes contribute to the dispersal of this pathogen.
- The researchers also studied the temperature relation, vitamin requirements and assimilative properties of several organisms they identified. These organisms included Saccharomyces tellustris, Torulopsis glabrata, T. pintolopesii, Candida bovina, C. slooffii, Cryptococcus neoformans, and Trichosporon cutaneum. This could shed light on the conditions these yeasts need to survive and thrive.
Cite This Article
APA
VAN UDEN N, DO SOUSA LC, FARINHA M.
(1958).
On the intestinal yeast flora of horses, sheep, goats and swine.
J Gen Microbiol, 19(3), 435-445.
https://doi.org/10.1099/00221287-19-3-435 Publication
Researcher Affiliations
MeSH Terms
- Animals
- Goats
- Horses
- Intestines / microbiology
- Sheep
- Sheep, Domestic
- Swine
- Yeast, Dried
- Yeasts
Citations
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