Anna Maria Alencar Cavalcanti

Universidade Federal Rural de Pernambuco

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Wanessa de Melo Costa

Universidade Federal do Maranhão

Gláucia Andreza de Brito da Silva

Universidade Federal Rural de Pernambuco

Januária Cavalcanti Cezar de Albuquerque

Universidade Federal Rural de Pernambuco

Isabela Bacalhau de Oliveira

International Foundation for Electoral Systems

Marina Bezerra Figueiredo

Universidade Estadual do Maranhão

Alfredo Olivera Gálvez

Universidade Federal Rural de Pernambuco

Cooperative Institutions

Universidade Federal Rural de Pernambuco

Universidade Federal do Maranhão

Fundação Instituto de Pesca do Estado do Rio de Janeiro

Universidade do Vale do Sapucaí

Universidade Federal de Santa Catarina

International Foundation for Electoral Systems

Instituto Federal de Educação, Ciência e Tecnologia de Sergipe

Universidade Federal de Sergipe

Universidade Estadual do Maranhão

Fundação de Amparo à Pesquisa e ao Desenvolvimento Científico e Tecnológico do Maranhão

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CULTIVO DE ROTÍFERO Brachionus plicatilis (MÜLLER, 1786) COM DIFERENTES ESPÉCIES DE MICROALGAS E DIETA FORMULADA

Arquivos de Ciências do Mar (2009)

Wanessa de Melo Costa Januária Cavalcanti Cezar de Albuquerque Marina Bezerra Figueiredo Anna Maria Alencar Cavalcanti Gláucia Andreza de Brito da Silva

The present study with two experiments evaluated the Brachionus plicatilis rotifer culture through population density, growth and reproductive rate and egg production. The experiment one was carried out with three microalgae species: Chaetoceros calcitrans, in density of 2.5 x 104 cells.mL-1, and Isochrysis galbana and Nannochloropsis sp., in density of 5 x 104 cells.mL-1 for both species. There was not statistically-signifi cant difference between treatments with the microalgae species so that microalgae I. galbana was shown to be more effi cient in rotifer culture. In experiment two, with formulated feed Culture Selco®Plus (CSP), the initial rotifer densities were 250, 150 e 50 rotifers.mL-1, treatments 1, 2 and 3, respectively. The highest fi nal density (mean 122 rotifers. mL-1) was recorded when the initial density was 250 rotifers.mL-1 (p<0.05). In treatment 3, the rate of population growth rate and duplication received positive values (0.110.09). The rate was higher at 0.25 reproductive treatments 2 and 3. Mean values of ammonia at the end of experiment 2 were lower than those recommended by literature. The initial densities of rotifers in the culture infl uence in population density and rates of growth and reproduction of rotifers B. plicatilis fed CSP.

Brachionus

Isochrysis galbana

Population density

10.32360/acmar.v42i2.6027

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