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Digestible protein requirement of juvenile tambaqui and dynamics of muscle growth by aspects morphological and isotopic turnover of carbon-13 and nitrogen-15

Grant number: 11/12963-2
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): October 01, 2011
Effective date (End): August 31, 2014
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Principal Investigator:Dalton José Carneiro
Grantee:Hellen Buzollo Pazzini
Host Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil


Among the native species with potential for aquaculture, stands out the tambaqui Colossoma macropomum by hardiness, ease of adaptation to the cultivation and high productivity in intensive system. Considering the lack of information about protein requirements for the species, it becomes necessary to establish the dietary requirement of this nutrient,to formulation of diets that allow, in the species, the expression of a better performance and excellent carcass traits associated with a lower excretion of nutrients to the environment and reduction of costs for feeding. Therefore, the project proposes to study, first, the determination of apparent digestibility of protein, fat and energy of six protein foods and seven energetic food , including the most commonly used in commercial diets for fish. After, a second study will aim to determine the digestible protein requirement for juvenile tambaqui in early growth. The efficiency of the diets will be evaluated by conventional parameters of performance; and methodologies intrinsic to the dynamics of muscle growth, as the histology of the development of fish muscle fibers and isotopic turnover of carbon-13 and nitrogen-15 in muscle tissue.

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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)
BUZOLLO, HELLEN; DE SANDRE, LIDIANE CRISTINA GONSALVES; NEIRA, LIGIA MARIA; DO NASCIMENTO, THIAGO MATIAS TORRES; JOMORI, ROSANGELA KIYOKO; CARNEIRO, JOSE. Isotopic turnover of carbon 613C and nitrogen 615N in the muscle tissue of tambaqui Colossoma macropomum juveniles fed diets containing different levels of digestible protein. ANIMAL FEED SCIENCE AND TECHNOLOGY, v. 303, p. 13-pg., . (11/12963-2, 12/09126-4)
BUZOLLO, HELLEN; GONCALVES DE SANDRE, LIDIANE CRISTINA; NEIRA, LIGIA MARIA; TORRES DO NASCIMENTO, THIAGO MATIAS; JOMORI, ROSANGELA KIYOKO; CARNEIRO, DALTON JOSE. Digestible protein requirements and muscle growth in juvenile tambaqui (Colossoma macropomum). AQUACULTURE NUTRITION, v. 25, n. 3, p. 669-679, . (12/09126-4, 11/12963-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
PAZZINI, Hellen Buzollo. Exigência de proteína digestível em dietas para juvenis de tambaqui e a dinâmica do crescimento muscular por aspectos morofológicos e turnover isotópico do carbono-13 e do nitrogênio-15. 2014. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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