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    Showing posts with label Mycotoxin. Show all posts
    Showing posts with label Mycotoxin. Show all posts

    Biomin: EU gives positive votes for mycotoxin products

    Biomin announces the positive votes of the EU Standing Committee on the Food Chain and Animal Health (SCFCAH) on the authorisation of two Biomin products as “substances for reduction of the contamination of feed by mycotoxins”.
    Biomin: EU gives positive votes for mycotoxin products
    Two products from the well-established Mycofix product line of Biomin, Mycofix Secure (bentonite/dioctahedral montmorillonite) and Biomin BBSH 797 (Gen. nov. sp. nov., formerly Eubacterium), are slated to become the first-ever products authorised by the EU as substances with proven mycotoxin counteracting properties.
    Following the positive SCFCAH votes, the publication of the respective EU regulations would be the next and final stage towards confirming the scientific efficacy of Mycofix Secure and Biomin BBSH 797 as mycotoxin-deactivating products.
    Biomin BBSH 797 is the first-ever product to receive this positive vote, thereby affirming its capability in the biodegradation of trichothecenes. The patented active bacterium in Biomin BBSH 797 modifies the structure of these mycotoxins, a biotransformation process that renders trichothecenes such as deoxynivalenol (DON) harmless. Making it a valuable feed additive for pigs, considered the species most susceptible to in-feed DON contamination.
    Mycofix Secure is a bentonite (dioctahedral montmorillonite) that fulfills the strict requirements on aflatoxin-binding capability according to the European Union Reference Laboratory (EURL). In cooperation with the EURL, Biomin developed an analytical method to characterize the AfB1-binding capacity of bentonites which has now become a crucial part of the authorisation process for aflatoxin binders. These efforts spearheaded by Biomin have paved the way for legalising “aflatoxin-binding” as an official claim.
    The process towards the authorisation of Mycofix Secure and Biomin BBSH 797 in the EU began when, on the initiative of Biomin, the EU Association of Specialty Feed Ingredients and their Mixtures, or FEFANA, established the Task Force “Mycotoxins” in 2005. In 2009, the Task Force succeeded in opening a new functional group for mycotoxin counteracting products, signifying a landmark development in the official approval of mycotoxin deactivating products within the EU. This led subsequently to the publication of stringent European Food Safety Authority (EFSA) guidance for anti-mycotoxin product registration—including proofs for mycotoxin and species specificity, efficacy and safety—which have generally deterred the industry from submitting dossiers for EU authorization of anti-mycotoxin feed additives.
    In 2010, Biomin, however, became the first feed additive company to submit a dossier to legalise the claim of “aflatoxin-binding” properties (Mycofix Secure). This was followed in 2012 with a dossier for the “biodegradation of trichothecenes” (Biomin BBSH 797) for EU approval. After a thorough scientific evaluation process, Biomin became the first feed additive company to obtain positive opinions from EFSA on these technological feed additives capable of reducing the negative impacts of mycotoxins in animals.

    Drought and mycotoxin impact on trace minerals

    Drought is influencing agricultural production across two-thirds of the United States and is predicted to be the worst in 50 years. There are some factors to consider regarding trace mineral fortification decisions during drought challenges, especially when mycotoxins are present.
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    Due to limited forage supplies, more poor quality feeds, such as those high in nitrates, lignin, ash, and mycotoxins will be fed. Feeding extra minerals can help mitigate the negative effects of feeding poor quality forages.
    Selected field samples tested by several allied industry companies in July indicate that the corn will be high in aflatoxins (and some fumonisins). Recent drought-stress corn from Texas also produced similar mycotoxin profiles. Due to aflatoxins in grains, higher levels will be concentrated in byproducts.
    Poultry has a very low tolerance for aflatoxins that can cause weak capillary wall subsequently increasing the incidence of bruising/haemorrhages during processing. Supplementing extra zinc through the diet has shown to drastically decrease the incidence of bruising and haemorrhages.
    Aflatoxins can also interact with coccidia to make gut lesions more severe. While e.g. Availa-Zn is not a cure for coccidiosis, it can certainly influence epithelial tissue resulting in less severe lesions and faster healing processes.
    Researchers have also reported observations that high inorganic zinc levels in chicken feeds increase the aflatoxin production in the feed. A complexed zinc should prevent further in-feed aflatoxin increases.
    With increased mycotoxin concentrations in feedstuffs, inclusion of binders in diets will increase. Some classes of mycotoxin sequestering agents may render some minerals and vitamins unavailable for absorption and metabolism. Therefore, providing a highly bioavailable source of trace minerals in a complexed form is further warranted.
    Immunity
    The immune response can be impacted during drought through different mechanisms; diet quality, presence of mycotoxins, limited dry matter intake and heat stress. When trace mineral status declines, the first biological function compromised is immunity.
    The dynamics of immunity is sensitive to small shifts in trace mineral balance. Once immunecompetency is lowered, subsequent effects are lowered production. Nutrients partitioned to support an activated immune response are no longer available to support growth, m lactation, reproduction or other production parameters.
    Complexed minerals consistently influence immunity for all species. Drought-associated stress will influence the magnitude of response observed between organic trace minerals and other ordinary trace mineral sources.
    Source:www.allaboutfeed.ne
     
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