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      Feeding frequency and growth performance of juvenile pink shrimp (Farfantepenaeus paulensis) Translated title: Frequência de oferta alimentar e desempenho zootécnico de juvenis do camarão rosa (Farfantepenaeus paulensis)

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          Abstract

          ABSTRACTIt is generally believed that increasing feeding frequency has immediate benefits, including reduced nutrient leaching and increased shrimp growth. In this context, the aim this work was to evaluate the effect of feeding frequency in growth performance of Farfantepenaeus paulensis. Juveniles of Farfantepenaeus paulensis were grown for 30 days in pen enclosures, at a stocking density of 5 shrimp/m2. The shrimp were fed on feeding trays at a rate of 8% of their biomass per day, with treatments of one, two, three and four times per day, with four replicates each. The results showed no differences (5% probability) in biomass gain of F. paulensis when feed was offered two, three or four times per day. However, it was observed that the once a day frequency had a negative influence on weight gain for this species of shrimp. We conclude that the supply of food with 35% crude protein twice a day is sufficient for the growth of F paulensis. Feeding frequency of three or four times can provide increased spending in the cultivation of juveniles of this species.

          Translated abstract

          RESUMOAcredita-se que uma frequência maior de alimentação traz benefícios imediatos, incluindo a redução da lixiviação de nutrientes e o aumento do crescimento do camarão. Nesse contexto, o objetivo do presente trabalho foi avaliar o efeito de diferentes frequências de oferta de alimento sobre o crescimento de Farfantepenaeus paulensis. Juvenis de Farfantepenaeus paulensis foram criados por 30 dias em tanques-rede, na densidade de estocagem de cinco camarões/m 2. Os camarões foram alimentados em comedouros com 8% da sua biomassa/dia, ofertados em parcelamentos de uma, duas, três e quatro vezes ao dia, com quatro repetições para cada tratamento. Os resultados mostraram que não ocorreram diferenças (5% de probabilidade) no ganho de biomassa de F. paulensis quando a frequência alimentar foi de duas, três ou quatro vezes ao dia. No entanto, os dados indicam que a frequência alimentar de uma vez ao dia interferiu negativamente no ganho de peso dessa espécie. Conclui-se que o fornecimento de ração com 35% de proteína bruta duas vezes ao dia é suficiente para o crescimento de F paulensis. O fornecimento de alimento três ou quatro vezes ao dia poderia acarretar maiores gastos no manejo de juvenis dessa espécie.

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          Most cited references22

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          Protein digestion in penaeid shrimp: digestive proteinases, proteinase inhibitors and feed digestibility

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            Effects of feeding frequency on feed leaching loss and grow-out patterns of the white shrimp Litopenaeus vannamei fed under a diurnal feeding regime in pond enclosures

            (2006)
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              The effect of feeding frequency on water quality and growth of the black tiger shrimp (Penaeus monodon)

              (2002)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                abmvz
                Arquivo Brasileiro de Medicina Veterinária e Zootecnia
                Arq. Bras. Med. Vet. Zootec.
                Universidade Federal de Minas Gerais, Escola de Veterinária (Belo Horizonte )
                1678-4162
                October 2015
                : 67
                : 5
                : 1415-1420
                Affiliations
                [1 ] Universidade Federal do Rio Grande do Norte Brazil
                [2 ] Universidade Federal Rural do Semi-Árido Brazil
                [3 ] Universidade Federal de Santa Catarina Brazil
                Article
                S0102-09352015000501415
                10.1590/1678-4162-8193
                3a730518-62bc-42d2-853c-7119ab02a4f3

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-0935&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                feeding frequency,shrimp culture,aquaculture,frequência alimentar,carcinicultura,aquicultura

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