Effect of Species, Fertilization and Harvest Date on Microbial Composition and Mycotoxin Content in Forage

Baholet, Daria; Koláčková, Ivana; Kalhotka, Libor; Skládanka, Jiří­; Haninec, Peter

doi:10.3390/agriculture9050102

Cited by 9 publications

(13 citation statements)

References 39 publications

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“…However, this effect was significant in the next year of observation; therefore, it is possible to assume that the year has a greater impact on mycotoxin concentration in the biomass than fertilization. Similarly, in the study by Baholet et al, no differences in DON levels were found with an increased digestate dose [58]. This was also demonstrated in our study, where an increased digestate dose did not significantly affect DON, AFB1, or T-2 levels (p < 0.05; Table 6).…”

Section: Discussionsupporting

confidence: 91%

Does Digestate Dose Affect Fodder Security and Nutritive Value?

et al. 2022

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With the rising interest in digestate use as a fertilizer on permanent cultures, there is a need to examine its effects on food and feed quality. This study is focused on the use of digestate in grassland fertilization and its effects on nutritive value parameters such as mycotoxin contamination (deoxynivalenol, aflatoxin, and T-2 toxin) and nutrient content (crude protein, crude fat, crude fiber, ash, nitrogen-free extract, digestibility of organic matter, acid detergent fiber, and ash-free neutral detergent fiber). The experiment was carried out in the Czech Republic, and the effects of fertilization regime, year, and harvest date (summer and fall cuts) on nutritive value were observed. An effect of the year on DON, AFB1, and T-2 contamination levels was observed. An effect of the harvest or fertilization regime on mycotoxin contamination was not observed. Significant differences were observed in the content of all nutrients, except ash, depending on the year. Differences were found only in the case of ADF levels, depending on the harvest date, as well; however, no differences were found between fertilization regimes. Our findings suggest that digestate does not negatively affect fodder in terms of nutritive value nor safety.

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Section: Discussionsupporting

confidence: 91%

Does Digestate Dose Affect Fodder Security and Nutritive Value?

et al. 2022

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“…The common and unique OTUs was used to construct the Venn diagram by R (version 1.6.2). The alpha diversity for these samples were used the Chao1 value and Shannon index to evaluate richness and diversity [17][18][19][20], and Good's coverage were calculated through QIIME software. Principal coordinates analysis (PCoA) was conducted on OTU level by R (version 3.3.1) software based on weighted UniFrac distances.…”

Section: Bioinformatics and Statistical Analysismentioning

confidence: 99%

Longitudinal Investigation of the Native Grass Hay from Storage to Market Reveals Mycotoxin-Associated Fungi

You

Jiang

et al. 2022

Microorganisms

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This study aimed to characterize the fungal diversity and mycotoxin concentrations of native grass hay in various storage periods. In the present study, the native grass hay samples were collected when stored for 0 d (D0 group), 30 d (D30 group), and 150 d (D150 group), respectively. Here, mycotoxin analyses combined with ITS gene sequence were performed to reveal the changes in response to the storage period. There were notable differences in deoxynivalenol and aflatoxin B1 concentrations among the three groups. Compared to the D150 group, the diversity of the fungal community was higher in the D0 and D30 groups, which indicating the diversity was significantly influenced by the storage period. No significant (p > 0.05) difference was observed among the three groups on the dominant phyla. Interestingly, a significant (p < 0.05) difference was also observed in Chactomella and Aspergillus among the three groups, the abundance of the Chactomella was significantly (p < 0.05) decreased and the abundance of Aspergillus was statistically (p < 0.05) increased in the D150 group. Correlation analysis of the association of fungi with mycotoxin could provide a comprehensive understanding of the structure and function of the fungal community. These results indicated that the good practices of storage are essential for the prevention of mycotoxin. The information contained in the present study is vital for the further development of strategies for hay storage with high quality in the harsh Mongolian Plateau ecosystem.

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“…Pre- and post-harvest mitigation strategies, including good farming practice (GFP), good agricultural practice (GAP), and good handling practice (GHP) [ 75 ], mainly used to prevent mycotoxins contamination are the most promising because they are cost-effective and easy to use by farmers. Besides, proper fertilization [ 111 ], selection of disease-resistant breeding [ 112 ], cropping rotation systems [ 113 ], use of fungicides/pesticides, insects control measures, proper drying, appropriate storage, and transportation are encouraged. In addition, physical sorting methods, performed by removing damaged products based on quality parameters such as color, size, shape, density, and visible fungal growth [ 110 ], are also known to have the potential to reduce the impacts of both mold infection and mycotoxins contamination.…”

Section: Mycotoxin Management Strategiesmentioning

confidence: 99%

Mycotoxins in Ethiopia: A Review on Prevalence, Economic and Health Impacts

Mamo

Abate²,

Tesfaye³

et al. 2020

Toxins

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Mycotoxigenic fungi and their toxins are a global concern, causing huge economic and health impacts in developing countries such as Ethiopia, where the mycotoxin control system is inadequate. This work aimed to review the occurrences of agriculturally essential fungi such as Aspergillus, Fusarium, and Penicillium and their major mycotoxins in Ethiopian food/feedstuffs. The incidents of crucial toxins, including aflatoxins (B1, B2, G1, G2, M1), fumonisins (B1, B2), zearalenone, deoxynivalenol, and ochratoxin A, were studied. The impacts of chronic aflatoxin exposure on liver cancer risks, synergy with chronic hepatitis B infection, and possible links with Ethiopian childhood malnutrition were thoroughly examined. In addition, health risks of other potential mycotoxin exposure are also discussed, and the impacts of unsafe level of mycotoxin contaminations on economically essential export products and livestock productions were assessed. Feasible mycotoxin mitigation strategies such as biocontrol methods and binding agents (bentonite) were recommended because they are relatively cheap for low-income farmers and widely available in Ethiopia, respectively. Moreover, Ethiopian mycotoxin regulations, storage practice, adulteration practice, mycotoxin tests, and knowledge gaps among value chain actors were highlighted. Finally, sustained public awareness was suggested, along with technical and human capacity developments in the food control sector.

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Effect of Species, Fertilization and Harvest Date on Microbial Composition and Mycotoxin Content in Forage

Cited by 9 publications

References 39 publications

Does Digestate Dose Affect Fodder Security and Nutritive Value?

Does Digestate Dose Affect Fodder Security and Nutritive Value?

Longitudinal Investigation of the Native Grass Hay from Storage to Market Reveals Mycotoxin-Associated Fungi

Mycotoxins in Ethiopia: A Review on Prevalence, Economic and Health Impacts

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