National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The present study investigated the occurrence of toxigenic Fusarium species and their mycotoxin-producing potential in poultry and cattle feed samples collected from the Godavari belt regions of Telangana and Andhra Pradesh, India. Feed samples from Warangal, Khammam, Karimnagar, Adilabad, Nizamabad, East Godavari, and West Godavari were analysed for fungal contamination using the dilution plate technique. Fusarium isolates were identified using standard taxonomic keys, and their toxigenic potential was assessed by thin-layer chromatography (TLC) for major fusarial mycotoxins. Five Fusarium species were detected, namely F. moniliforme, F. oxysporum, F. equiseti, F. solani, and F. semitectum. Among these, F. moniliforme was the predominant species, followed by F. oxysporum. The highest incidence of Fusarium contamination was recorded in feed samples from West Godavari and Karimnagar, whereas Nizamabad samples showed the lowest incidence, likely due to the region's relatively dry climatic conditions. Of the 397 Fusarium isolates examined, 131 (approximately 33%) were capable of producing one or more mycotoxins. The predominant mycotoxins detected were zearalenone, T-2 toxin, diacetoxyscirpenol (DAS), nivalenol (NIV), deoxynivalenol (DON), and HT-2 toxin. Several isolates produced multiple mycotoxins simultaneously, indicating a significant risk of co-contamination. The study demonstrates that approximately 25–45% of the Fusarium strains isolated from livestock feeds were toxigenic, posing potential health hazards to poultry, cattle, and indirectly to humans through the food chain. These findings emphasise the need for regular monitoring of feed quality and effective mycotoxin management strategies to ensure livestock health and food safety.
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