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KMID : 1023519980210010097
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Korean Journal of Veterinary Service
1998 Volume.21 No. 1 p.97 ~ p.104
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Isolation and identification of pathogenic fungi from animal feedstuffs
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Seo Surk-Yul
Hur Boo-Hong
Eum Sung-Shim
Kim Tae-Jung
Song Hee-Jong
Kim Jin-Hwan
Lee Hee-Mun
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Abstract
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Fugi are eukaryotic, nonphotosynthetic, filamentous or unicellular organisms, most of which grow on nonliving materials as saphrophytes. The majority are therefore opportunistic pathogens and predisposing factors often contribute to the establishment of fungal infection. These include an alteration in the normal flora of the host by prolonged administration of antibiotics, immunosup-pression, concurrent infections, damage to the skin or mucous membranes, constantly moist areas of skin or the exposure to a large infective dose, and as with fungal spores. Fungi may cause a variety of diseases which may be due directly to fungal invasion of tissue or more often to the ingestion of toxins produces by fungi in growing, standing or stored grains and other animals feeds. In this experiment, contaminated fugi were isolated and identified from animal feedstuffs such as Korean cattle, milking cows, pigs and chickens. Twelve genues were isolated from animal feeds, they are 9 from Korean cattle and milking cows feeds, 6 from pigs feeds, and 10 from chickens feeds. Among them, most frequently encountered species was Yeast(56 strains), followed by Fusarium sp(41 strains), Aspergillus sp(20 strains), each of Micorsporum sp and Trichophyton sp(17 strains), Penicilium sp(12 strains), in order. And also minority was isolated as Candide sp(4 strains), Trichoderma sp(3 strains), each of Epidermophytom sp and Absida sp(2 strains), and each of Sporothrix sp and Maduromyces sp(1 strain). Among the Aspergillus sp 20 isolates, A flavus(5 strains), A nidulans(4 strains), A fumigatus(3 strains), A glucans(3 strains), A niger(3 strains) and A terreus(2 strains) were identified.
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KEYWORD
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Animal feedstuffs, Fugi, Isolation rate, Contamiation
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