Interesting facts about aflatoxin in feed ingredients...

Hello everyone:
        Today we will see about interesting topic on aflatoxin. 
1. How many of you noticed the aflatoxin range in your feed bag? 
     Some feed companies mentions the range of aflatoxin on feed if they have more plant based meal in that feed. 

Now, there are many questions arising within your mind, right?, we will see in brief, why they mentioned and what is the need. 

We are farmers, we don't know more details, just we bought feed and give feed to the organism. But you have to know about the aflatoxin. 

Aflatoxin is a mycotoxin, in short it is a toxin which is produced from the fungus Aspergilus flavus and Aspergilus parasiticus. 
    Oprimum temperature: These are developed at high temperature especially more than 32 degree celcius and developed at high moisture or humidity conditions. 
    These are mostly formed and produce toxins in plant based ingredients. Cereals, nuts etc... Selection and storage of ingredients is important. 

Nowadays, plant based proteins are mostly used so it is important to analyse the quality. Because, toxin producing fungus which is mostly present on these type of ingredients. 

   Aflatoxin B1, B2, G1, G2 are found toxins and produced by certain species. On these above, aflatoxin B1 is most toxic. You can see in any feed bag, they mentioned the aflatoxin range. 

Permissible range in ingredients:
   It is recommended that, more than 20 ppb that means 20 microgram per kg is toxic and cause lethal effects on fish. 

Tilapia and catfishes shows more resistant effects on aflatoxin at certain high range dose. 

Toxic effects:
      It causes liver damage in fish. Some species can't able to convert the toxin so it leads to death. Poor FCR, survival loss, running mortality, damaged liver are the major problems. 

High levels of aflatoxin also cause tremendous effect on human also.

Precautions:
      It is mostly heat stable at Normal cooking temperatures. It is unstable and disintegrate under the treatment of gamma rays. Proper storage and handling of ingredients is one of the best way. 

      Crops must be prevented from the insects. Proper using of insecticides also important. 

Cold water species shows very sensitive to aflatoxin effects. Presence of aflatoxin at the range of 0.4 ppb also shows carcinogenic effect on fish liver in cold water species. 

Check the feed bag if your feed have more combination of plant based meal. Some hardy species like tilapia and catfishes have resistant but other species like crustaceans are not more resistant to this toxins. 
                   Thank you... 

Follow my page for more info. 

For further info about consultancy .. 
Pls be free to contact me.. 
Name : P. Dhivagar BFSc, 
Email : dhivagarfcri2000@gmail.com
Contact no : 9384346193

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