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Aflatoxigenic fungi and aflatoxin B1 in commercial pet food in Brazil
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The aims of this study were to determine the aflatoxigenic mycoflora and the incidence of aflatoxin B1 in commercial samples of ready dog food. This in turn demonstrated the ability of the Aspergillus flavus and Aspergillus parasiticus strains to produce aflatoxin B1. 180 samples (standard, premium and super premium) were collected. Aspergillus was the prevalent genera followed by Penicillium and Fusarium. A. flavus and A. parasiticus were the prevalent species. All A. flavus and A. parasiticus strains from super premium samples were able to produce aflatoxin B1, whereas toxigenic strains isolated from standard and premium samples varied from 80 to 100%. A high percentage of ready pet food contaminated by toxigenic species from section Flavi was found and aflatoxin B1 levels were detected. The fungal counts from the three kinds of feed did not exceed the proposed value (1×104 cfu/g) and none of the samples exceeded the aflatoxin B1 recommended level (20 ng/g). The presence of A. flavus and A. parasiticus with aflatoxigenic ability could be a potential risk for production of AFB1 in feedstuffs when environmental storage conditions are not adequate.
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| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
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Aflatoxigenic fungi and aflatoxin B1 in commercial pet food in Brazil
in World Mycotoxin JournalSearch for other papers by S. Campos in
Current site
Google Scholar
PubMed
Search for other papers by L. Keller in
Current site
Google Scholar
PubMed
Search for other papers by L. Cavaglieri in
Current site
Google Scholar
PubMed
Search for other papers by C. Krüger in
Current site
Google Scholar
PubMed
Search for other papers by M. Fernández Juri in
Current site
Google Scholar
PubMed
Search for other papers by A. Dalcero in
Current site
Google Scholar
PubMed
Search for other papers by C. Magnoli in
Current site
Google Scholar
PubMed
Search for other papers by C. Rosa in
Current site
Google Scholar
PubMed
The aims of this study were to determine the aflatoxigenic mycoflora and the incidence of aflatoxin B1 in commercial samples of ready dog food. This in turn demonstrated the ability of the Aspergillus flavus and Aspergillus parasiticus strains to produce aflatoxin B1. 180 samples (standard, premium and super premium) were collected. Aspergillus was the prevalent genera followed by Penicillium and Fusarium. A. flavus and A. parasiticus were the prevalent species. All A. flavus and A. parasiticus strains from super premium samples were able to produce aflatoxin B1, whereas toxigenic strains isolated from standard and premium samples varied from 80 to 100%. A high percentage of ready pet food contaminated by toxigenic species from section Flavi was found and aflatoxin B1 levels were detected. The fungal counts from the three kinds of feed did not exceed the proposed value (1×104 cfu/g) and none of the samples exceeded the aflatoxin B1 recommended level (20 ng/g). The presence of A. flavus and A. parasiticus with aflatoxigenic ability could be a potential risk for production of AFB1 in feedstuffs when environmental storage conditions are not adequate.
| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 271 | 82 | 9 |
| Gesamttextansichten | 45 | 1 | 1 |
| PDF-Downloads | 57 | 0 | 0 |
