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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Modelagem de rendimento do cultivo do camarão Litopenaeus vannamei (Boone, 1931) no Nordeste do Brasil

MENDES, Paula Tiyemi Shinozaki 21 February 2014 (has links)
Submitted by (ana.araujo@ufrpe.br) on 2016-08-09T14:56:49Z No. of bitstreams: 1 Paula Tiyemi Shinozaki Mendes.pdf: 1645671 bytes, checksum: cbe15652970c1e1f21a31904a40c0614 (MD5) / Made available in DSpace on 2016-08-09T14:56:49Z (GMT). No. of bitstreams: 1 Paula Tiyemi Shinozaki Mendes.pdf: 1645671 bytes, checksum: cbe15652970c1e1f21a31904a40c0614 (MD5) Previous issue date: 2014-02-21 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / The aim of this work was to study the survival of shrimp Litopenaeus vannamei shrimp survival grown in ponds located in the Brazilian northeastern. In this study statistical regression models were used, with livestock and management variables. The average weekly growth and the amount of feed were the variables proposed to explain the survival. The management variables considered were the production, pond the initial density and culture days. In the proposed model, these variables were significant statistically, considering t-type hypothesis tests with 5% of significance. The models assumptions were validated by conducting residuals analysis and diagnostic techniques. Thus, it is concluded that both livestock and management variables are related to the survival of Litopenaeus vannamei. / O objetivo deste trabalho foi estudar a sobrevivência do camarão Litopenaeus vannamei cultivado em viveiros localizados no Nordeste brasileiro. Neste estudo foram utilizados modelos estatísticos de regressão, considerando variáveis zootécnicas e de manejo. O crescimento médio semanal e a quantidade de ração foram as variáveis zootécnicas propostas para explicar a sobrevivência. As variáveis de manejo consideradas foram a produção, a área do viveiro, a densidade inicial e os dias de cultivo. No modelo proposto, estas variáveis apresentaram-se estatisticamente significativas, considerando-se testes de hipóteses do tipo t com nível de significância de 5%. As suposições acerca dos modelos foram validadas através da realização de análise de resíduos e da utilização de técnicas de diagnóstico. Desta forma, conclui-se que tanto variáveis zootécnicas quanto de manejo estão relacionadas com a sobrevivência do Litopenaeus vannamei.

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