1. Departament of de Physiology and Pharmacology Federal University of Santa Maria Santa Maria Brazil
2. Laboratory of Functional Biochemical of Aquatic Organisms Institute of Oceanography Federal University of Rio Grande Rio Grande Brasil
3. Marine Station of Aquaculture Institute of Oceanography Federal University of Rio Grande Rio Grande Brazil
4. Institute of Biological Science Federal University of Rio Grande Rio Grande Brazil
5. Postgraduate Program in Animal Husbandry Federal University of Santa Maria Santa Maria Brazil