Utilization of Hydrated Sodium Calcium Aluminosilicate and Vermiculite for Aflatoxin B₁ Adsorption in Pacific White Shrimp (Litopenaeus vannamei) Diets

Abstract

Suppadit, T., Jaturasitha, S. and Pripwai, N. 2006. Utilization of hydrated sodium calcium aluminosilicate and vermiculite for aflatoxin B₁ adsorption in pacific white shrimp (Litopenaeus vannamei) diets. J. Appl. Anim. Res., 29: 129–132.

The aim of this study was to determine the effect of the hydrated sodium calcium aluminosilicate (HSCAS) and vermiculite minerals as binder when added to pacific white shrimp (Litopenaeus vannamei) diets contaminated with aflatoxin B₁. Four treatments consisting balanced diets were as follows: diet 1 as control diet—free of the toxin and without a binder, diet 2 containing 1% HSCAS and 500 ppb aflatoxin B₁ diet 3 containing 1% vermiculite and 500 ppb aflatoxin B₁ and diet 4 containing 500 ppb aflatoxin B₁ without a binder. It was observed that the average daily gain, feed conversion efficiency, protein efficiency ratio, survival rate and aflatoxin B₁ residue in tissues were superior in shrimps fed diet 2 and diet 3 compared to that of diet 4 (P<0.05), but the diet 1 was the best. It is concluded that HSCAS and vermiculite were capable of binding some part of the aflatoxin B₁ in the diet of shrimp.

Key words:

• Shrimp
• diet
• productive performance
• aflatoxin
• binder