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EnglishThis study aimed evaluate the influence of food processing in diet on development of larvae of Pimelodus britskii. Seventy five larvae were assigned in a completely randomized design to 15 aquariums of five liters at a density of one larva per liter. The diets were processed and supplied as mash, paste and extruded ground. The larvae were feeding to apparent satiation for a period of 30 days, four times daily: 8, 11, 14 and 17 h. The parameters of water (dissolved oxygen, pH and conductivity) were measured once a week. There were not differences in performance for final weight, and survival of larvae. For the average final length, the ground extruded diet was better than the mash diet (p Therefore is recommended the use of ground extrused diets to achieve higher final length of animals. portuguesEste trabalho objetivou avaliar a influencia do processamento de racao na dieta sobre o desenvolvimento de larvas de mandi-pintado (Pimelodus britskii). Foram utilizadas 75 larvas, distribuidas em um experimento inteiramente casualizado em 15 aquarios de 5 l de volume util em uma densidade de uma larva por litro. As racoes foram processadas e fornecidas na forma farelada, pastosa e extrusada moida. As larvas foram alimentadas ate a saciedade aparente por um periodo de 30 dias, 4 vezes ao dia: 8, 11, 14 e 17 h. Os parâmetros da agua (oxigenio dissolvido, pH e condutividade) foram mensurados uma vez por semana. Nao foram observadas diferencas no desempenho das larvas em relacao ao peso medio final e sobrevivencia. Para o comprimento medio final, a dieta extrusada moida foi melhor que a racao farelada (p

Processamento da dieta para larvas de mandi-pintado (Pimelodus britskii)