A renal mycosis of an adult hybrid red tilapia, Oreochromis mossambicus X O. hornorum, caused by the imperfect fungus, Paecilomyces marquandii

Lightner, Donald V.; Redman, Rita M.; Mohney, Leone L.; Sinski, James T.; Priest, D.N.

doi:10.1111/j.1365-2761.1988.tb00740.x

Cited by 14 publications

(9 citation statements)

References 1 publication

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“…These preparations were mounted in Lactophenol Cotton Blue (LPCB). For describing the fungus, the new terminologies proposed by (Frey et aL, 1979;Refai, 1987;Lightner et aL, 1988) were used. C-Detection of mycotoxins Aflatoxin B] and Ochratoxin A residue in feed samples:…”

Section: Methodsmentioning

confidence: 99%

Preliminary Studies on the Occurrence of Mycotic and Mycotoxin Contamination in Aquaculture Feeds Used in Saudi Arabia

Salama

2007

Egypt. J. of Aquatic Biolo. and Fish.

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T he present study was carried out on three kinds of aqua feed used for feeding of marine fishes and shrimp in Fish Farming Center (FFC h Jeddah, Saudi Arabia namely; Grower seabass, Grower tilapia and Grower shrimp. Random feed samples were collected at regular intervals every two weeks for 4 months from the feed storage room. Total mycotic counts, identification of moulds, concentration of aflatoxin and ochratoxin as well as proximate analyses of feeds were determined aad the correlation between them was estimated. Moreover, the storage conditions were monitored all over the period of experiment. Tbe mycological investigation revealed that the grower shrimp diet was more contaminated than the other two types of feeds, where the total mycotic counts reached to 3.666 x 10 7 cfii/gm after 4 months, while the total mycotic counts reached to 2.867 x 10 4 cfu/gm and 8.3 * 10 5 cfu/gm in grower seabass and grower tilapia diets respectively. Aspergillus species were dominant in all kinds of aquafeeds tested in addition :o Mucoraceace fungi in grower seabass feed. The identified Aspergillus $?. were classified into A. flavus, A. fumigatus, A. ochraceaus* A. niger asd A. terreus. A. jlavus was predominant in all types of feed in addition to A. fumigatus in grower shrimp, while A. ochraceaus was recorded by L 6 and 7 isolates in grower seabass, grower tilapia and grower shrimp feeds respectively. Aflatoxin and Ochratoxin were increased in concentration by increasing the period of storage which reached 1.91 ±0.11 and 2.£9 ±0. 16, 79.0 ±4.7 and 24.60 ±3.21, and 98.55 ±5.20, 66.50 ±5.65 ppb ia grower seabass, grower tilapia and grower shrimp respectively. Tbe proximate analysis of the ratios revealed that the nutritive value decreased after 30 days in grower shrimp diet and after 48 days in grower tilapia 24 Adrian J, Salama diet, while the nutritive value of grower seabass diet was not affected during this investigation. It is worthy; to mention that the storage conditions were more than the suitable levels, even the temperature or humidity as well as moisture contents of the diets. So, we concluded that the aquafeeds should be stored in good and define conditions as well as for a specific period to prevent mycotic contamination and if we need to store them for long period, fungal and its metabolites inhibitors "antifitngal and antimycotoxin" should be added.

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Section: Methodsmentioning

confidence: 99%

Preliminary Studies on the Occurrence of Mycotic and Mycotoxin Contamination in Aquaculture Feeds Used in Saudi Arabia

Salama

2007

Egypt. J. of Aquatic Biolo. and Fish.

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“…Fungal species from the genera Aspergillus, Fusarium, Paecilomyces, Rhizomucor and Phoma have been implicated in fish diseases by multiple authors (Olufemi et al 1983, Hatai et al 1986, Lightner et al 1988, Crow et al 1995, Wolf & Smith 1999). …”

Section: Soil Fungimentioning

confidence: 99%

“…These fungal species are mostly associated with mycotoxin production (Göttlich et al 2002). Specific soil fungi such as some species of Aspergillus, Fusarium, Paecilomyces, Rhizomucor and Phoma have been implicated in fish diseases (Olufemi et al 1983, Hatai et al 1986, Lightner et al 1988, Crow et al 1995, Wolf & Smith 1999. Most of these species are known to cause systemic disease in fish (Ellis et al 1983).…”

Section: Introductionmentioning

confidence: 99%

Pathogenicity and oxidative stress in Nile tilapia caused by Aphanomyces laevis and Phoma herbarum isolated from farmed fish

Ali¹,

Hashem²,

Al-Salahy³

2011

Dis. Aquat. Org.

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Identified (n = 17) and unidentified (n = 1) fish-pathogenic fungal species from 10 genera of Oomycetes and soil fungi were isolated from 40 infected freshwater fish samples of the species Oreochromis niloticus niloticus (Nile tilapia) and Clarias gariepinus (African catfish). Samples were collected from various fish farms in the Nile Delta, Egypt. Nile tilapia were tested in aquaria for their susceptibility to the commonest Oomycetes species, Aphanomyces laevis and Achlya klebsiana, and also against the 2 most prevalent pathogenic soil fungi, Paecilomyces lilacinus and Phoma herbarum. Two techniques were used: water bath exposure and intramuscular (subcutaneous) injection. Water bath exposure to the 2 species of Oomycetes caused greater mortalities of O. niloticus niloticus than intramuscular injection, but the reverse was true of the soil fungal species. Regardless of the infection method, the 2 Oomycetes species were more potent pathogens than the soil fungal species. In both gills and mytomal muscles of fish infected by A. laevis and P. herbarum, we measured and compared with controls the oxidative stress parameters total peroxide (TP), lipid peroxidation (LPO) and nitric oxide (NO), as well as levels of the antioxidants vitamin E and glutathione (GSH), and superoxide dismutase (SOD) and catalase (CAT) activities. Infection by these 2 fungal species through either spore suspension or spore injection significantly increased oxidative damage in gills and induced marked decrease in most studied antioxidants. In addition, both routes showed similar effects and A. laevis depressed the antioxidants CAT, vitamin E and GSH more than P. herbarum.

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“…(Carmichael 1966; Richards, Holliman & Helgason 1978; Blazer & Wolke 1979; Ellis et al. 1983; Langvad, Engjom & Pederson 1985; Lightner, Redman, Mohney, Sinski & Priest 1988; Pederson & Langvad 1989; Iwatsu, Udagawa & Hatai 1990; Lehmann et al. 1999).…”

mentioning

confidence: 99%

Deuteromycotic fungi infecting barramundi cod, Cromileptes altivelis (Valenciennes), from Australia

Bowater

Thomas

Shivas

et al. 2003

Journal of Fish Diseases

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A renal mycosis of an adult hybrid red tilapia, Oreochromis mossambicus X O. hornorum, caused by the imperfect fungus, Paecilomyces marquandii

Cited by 14 publications

References 1 publication

Preliminary Studies on the Occurrence of Mycotic and Mycotoxin Contamination in Aquaculture Feeds Used in Saudi Arabia

Preliminary Studies on the Occurrence of Mycotic and Mycotoxin Contamination in Aquaculture Feeds Used in Saudi Arabia

Pathogenicity and oxidative stress in Nile tilapia caused by Aphanomyces laevis and Phoma herbarum isolated from farmed fish

Deuteromycotic fungi infecting barramundi cod, Cromileptes altivelis (Valenciennes), from Australia

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