Powered by OpenAIRE graph
Found an issue? Give us feedback
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ LAReferencia - Red F...arrow_drop_down
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
versions View all 1 versions
addClaim

Estudo da densidade de estocagem no treinamento alimentar de juvenis de pintado Pseudoplatystoma coruscans: avaliação produtiva e econômica em criação intensiva

Authors: Del Guerra, Luis Otávio Martini;

Estudo da densidade de estocagem no treinamento alimentar de juvenis de pintado Pseudoplatystoma coruscans: avaliação produtiva e econômica em criação intensiva

Abstract

The process of feeding training of spotted surubim is the most difficult phase for its commercial rearing. This phase is generally carried out in laboratory, which increases the production costs. The objective of this study was to develop efficient techniques for intensive production of spotted surubim, through the study of the effects of stocking density during the feeding training and post-feeding training phases, and the economic and productive evaluations. The experiment was conducted under a completely randomized experimental design, consisting of four treatments with five replicates. The treatments were Dl: one juvenile/L; D4: four juveniles/L; D8: eight juveniles/L and D12: twelve juveniles/L. The economic analysis was based on the Operational Total Cost (OTC), average OTC and income. At the end of the feeding training phase (36 days after hatching - dah), the D1 treatment have shown higher survival rate (86.2%). At the end of the experiment (93 dah), the D1 and D4 treatments exhibited the highest survival rates (p0.05) fish length. Difference in fish weight was found only at the end of the experiment, when fish from the D4, D8 and D12 treatments were heavier than fish reared in the density Dl. However, this weight difference was not enough to classify the fish in different classes of price. Thus, the income had varied only as a function of survival and the number of individuals produced in each treatment. The D4 treatment provided lower average OTC than the income, demonstrating the economic viability of this treatment. In conclusion, the density of 4 juveniles/L (04) is recommended as an appropriated stocking density for the feeding training of spotted surubim ...

0 processo de transição alimentar de pintado e uma das fases mais problemáticas para sua produção comercial. Essa etapa geralmente é realizada em laboratório, e os custos são elevados. 0 objetivo desse trabalho foi contribuir para o desenvolvimento tecnológico da produção intensiva de juvenis de pintado, por meio do estudo dos efeitos da densidade de estocagem na fase treinamento alimentar e pós-treinamento, e de avaliações produtiva e econômica. 0 experimento foi conduzido em delineamento inteiramente casualizado, constituido de quatro tratamentos com cinco réplicas de cada, sendo D1: um juvenil/L; D4: quatro juvenis/L; D8: oito juvenis/L e D12: doze juvenis/L. Calculou-se o custo operacional total (COT), o COT médio e as receitas; bruta e liquida, na análise econômica dos quatro tratamentos. Ao final do treinamento alimentar (36 dias pós eclosão - dpe), maiores médias de sobrevivência (86,2%) foram encontradas no tratamento de menor densidade. Porém, no final do experimento (93 dpe), as densidades (D1 e D4) proporcionaram as maiores médias (p0,05) o comprimento dos peixes. Em relação ao peso, somente no final do experimento (93 dpe) as maiores densidades (D4, D8 e D12) proporcionaram peixes mais pesados (p<0,05). No entanto a receita bruta variou somente de acordo corn a sobrevivência obtida em cada tratamento, uma vez que não houve diferença no tamanho dos animais suficiente para classificá-los em diferentes classes e pregos, sendo estes cotados a R$ 3,00 a unidade. Ao final do experimento o tratamento D4 apresentou COT médio menor do que o preço de mercado...

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Pós-graduação em Aquicultura - FCAV

Country
Brazil
Keywords

Viabilidade economica, Peixe - Alimentação, Custo operacional Custo operacional, Peixe, Peixe - Criação

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
Related to Research communities