ArticleBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]
The occurrence of aflatoxigenic Aspergillus spp. in dairy cattle feed in Southern Brazil.
Article in Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 18 citations in OpenAlex.
- Detection of Aflatoxigenic Fungi in Dairy Cattle Feed: Findings From Urban Districts of Tigray, Ethiopia.Veterinary medicine and science · 2025Article
- The rumen microbiome and its metabolome together with the host metabolome regulate the growth performance of crossbred cattle.BMC genomics · 2025Article
- Article
- First report on the metabolic characterization of Sterigmatocystin production by selectFrontiers in microbiology · 2022Article
- Biodiversity of AflatoxigenicFrontiers in microbiology · 2020Article
- Adverse Effects, Transformation and Channeling of Aflatoxins Into Food Raw Materials in Livestock.Frontiers in microbiology · 2019Review
- Dietary aflatoxin B1-related risk factors for the presence of aflatoxin M1 in raw milk of cows from Ecuador.Open veterinary journalArticle
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
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Abstract
The presence of mycotoxins or related fungi in animal feed is a major problem for animal and human health. Silage and concentrated feed samples were collected from 21 dairy farms in the Western part of Paraná state in Southern Brazil. Water activity and pH of all samples were measured, and each sample was analyzed to check for the presence of aflatoxigenic Aspergillus. Water activity was observed to be lower in the concentrated feed samples. The pH was lower in the silage samples, indicating fermentation processes. Two silage samples and four concentrated feed samples were contaminated with Aspergillus spp. Seven isolates of Aspergillus spp. were obtained and their potential to produce aflatoxins was evaluated. Four of the isolates, two from the silage samples and two from the concentrated feed samples, produced the aflatoxins B1, B2, G1, and G2 in culture media. These isolates were identified as Aspergillus parasiticus and Aspergillus nomius. The presence of aflatoxigenic isolates of Aspergillus spp. in silage and concentrated feed samples is a matter of concern, because of the risk of aflatoxin production and contamination of the animal feed.
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