Detoxification and immunoprotection of Zn(II)-curcumin in juvenile Pacific white shrimp (Litopenaeus vannamei) feed with aflatoxin B1

2018 
Abstract Aflatoxins, which was produced by Aspergillus flavus or Aspergillus parasiticus fungi during grain and feed processing or storage, could cause severe health problems and reduction of yield during shrimp cultures. To evaluate toxic effects of aflatoxin B1 (AFB1) in juvenile Pacific white shrimp ( Litopenaeus vannamei ) and potential protective effect of Zn(II)–curcumin (Zn-CM), four experimental diets (control, 500 μg/kg AFB1, 500 μg/kg AFB1+100 mg/kg Zn-CM, 500 μg/kg AFB1+200 mg/kg Zn-CM) were formulated in quadruplicate to feed the shrimp for 8 weeks. The results revealed that AFB1 could induce significant decrease in final body weight (FBW), weight gain (WG, %) and visible variations of the hepatopancreas structures in L.vannamei . Compared with AFB1 group, AFB1+100 mg/kg Zn-CM group significantly ameliorated the toxic effects of AFB1 on growth performance, while AFB1+100 mg/kg Zn-CM group had no effect on growth performance. Dietary AFB1+100 mg/kg Zn-CM enhanced phenoloxidase (PO) ( P P L.vannamei .
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