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Skeletal deformities in pacu Piaractus mesopotamicus larvae

Grant number: 10/09782-3
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): October 01, 2010
Effective date (End): January 31, 2014
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Principal Investigator:Maria Célia Portella
Grantee:Taís da Silva Lopes
Host Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Associated research grant:08/57411-4 - Environmental stable isotopes in animal science, AP.TEM


Studies on skeletal deformities in larvae and juveniles have been developed for several species of fish commercially produced. The presence of deformities results in several problems for aquaculture, such as increased production cost due to decreased survival, adverse effects on growth, decreased feed conversion, and also increased susceptibility to disease. The factors related to the incidence of skeletal deformities in fish larvae and juveniles are mainly nutritional, environmental and of genetic origin. However, nothing is known about this issue in South American species such as pacu. Thus, we have proposed to evaluate the incidence of skeletal deformities during the early development of pacu, and to verify the role of vitamin A in skeletal malformation and gene expression involved in this process. In addition, we will use the technique of stable isotopes as a tool to understand the turnover of nutrients in bone and muscle of pacu larvae during its early development.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LOPES, TAIS DA SILVA; DE FREITAS, THIAGO MENDES; JOMORI, ROSANGELA K.; CARNEIRO, DALTON JOSE; PORTELLA, MARIA CELIA. Skeletal Anomalies of Pacu, Piaractus mesopotamicus, Larvae from a Wild-caught Broodstock. JOURNAL OF THE WORLD AQUACULTURE SOCIETY, v. 45, n. 1, p. 15-27, . (10/09782-3, 08/57411-4)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
LOPES, Taís da Silva. Osteogênese, vitamina A e anomalias esqueléticas em larva de Pacu, Piaractus mesopotamicus. 2014. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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