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Alleviation of Aflatoxin-B1 Toxicity by using Clay Adsorbent in Nile Tilapia (Oreochromis niloticus) Diets

Alleviation of Aflatoxin-B1 Toxicity by using Clay Adsorbent in Nile Tilapia (Oreochromis niloticus) Diets

Dilawar Hussain* and Abdul Mateen

Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad-38040, Pakistan

* Corresponding author: sirdilawar@yahoo.com

ABSTRACT

The present study was designed to alleviate the aflatoxin-B1 toxicity by the use of 0.5% calcium bentonite clay and to evaluate its effect on the growth performance of Nile tilapia over a period of 10 weeks. Inclusion of AFB1 at both 2 and 4 ppm levels significantly (p<0.05) decreased specific growth rate (SGR), net weight gain (NWG), average daily gain (ADG), survival, feed intake, feed efficiency ratio (FER) and protein efficiency ratio (PRE), irrespective the addition of the 4TX in the diets. Among different dietary groups of the fish, % survival was not affected significantly (p<0.05). T1 showed maximum NWG (45.49±3.85), FER (0.739±0.02) and PER (36.36±1.83) when compared to other dietary treatment groups. The addition of 4TX clay in the diets at both 2 and 4 ppm AFB1 concentrations have almost the same effect on the growth parameters tested except in the case of PER. T3 (0.5% 4TX+2 ppm AFB1) showed better PER (31.42±1.74) when compared to T4 (0.5% 4TX+ 4 ppm AFB1) group (27.76±0.67). Interaction between different growth parameters of tilapia fed AFB1 and 4TX supplemented diets showed that net weight gain (NWG) was significantly (p<0.01) correlated with average daily gain (ADG), specific growth rate (SGR), feed intake (FI) and protein efficiency ratio (PER). In conclusion, aflatoxin-B1 negatively impacted the growth performance of Nile tilapia regardless the addition of the 4TX clay. Addition of 4TX in the diets has significant effect on some of the parameters tested.

 

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Pakistan Journal of Zoology (Associated Journals)

December

Vol. 49, Iss. 5, Pages 1937-2341

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