Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects
Colossoma macropomum, known locally as tambaqui, is the native fish most farmed in Brazil, however, technological advances are needed to reach efficient production rates. Modulating growth factors, such as growth hormone, may be associated with improved growth rate and feed efficiency. The use of ex...
| Autor principal: | Paz, Arlan de Lima |
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| Outros Autores: | Val, Adalberto Luis |
| Grau: | Artigo |
| Idioma: | English |
| Publicado em: |
Acta Amazonica
2020
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| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/13147 |
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oai:repositorio:1-13147 |
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oai:repositorio:1-13147 Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects Manipulação do crescimento do peixe amazônico tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): análises fisiológicas e zootécnicas Paz, Arlan de Lima Val, Adalberto Luis Aquaculture Growth Performance Osmorregulation Hematological Parameters Aquicultura Performance Em Crescimento Osmorregulação Parâmetros Hematológicos Colossoma macropomum, known locally as tambaqui, is the native fish most farmed in Brazil, however, technological advances are needed to reach efficient production rates. Modulating growth factors, such as growth hormone, may be associated with improved growth rate and feed efficiency. The use of exogenous hormone for fish rearing is prohibited in Brazil, yet the experimental use of bovine hormone can be useful in research aimed at understanding how to stimulate endogenous growth hormones in fish. Therefore, the present study had the strict objective of understanding the effects of growth hormone on the physiology and zootechnical parameters of C. macropomum under experimental conditions. The animals were intraperitoneally injected every fifteen days with 1, 10 and 100 μg g-1 of bGH using 0.9% NaCl saline as diluent. The 10 and 100 μg g-1 bolus had a positive effect on the performance indexes of C. macropomumweight gain (g), growing length (cm), daily weight gain (g), feed conversion and specific growth rate (% per day). The bGH promoted a greater increase in length than in mass, which caused a reduction in condition factor of the individuals receiving a bolus of 10 and 100 μg g-1. Furthermore, bGH caused no changes in glucose levels, cortisol, hematological parameters, plasma levels of Na+ and K+, and activity of gill's H+-ATPase and Na+, K+-ATPase, at least during the experimental period considered in the present study. O tambaqui, Colossoma macropomum, é o peixe nativo mais cultivado no Brasil. No entanto, avanços tecnológicos são necessários para incrementar as taxas de produção. Fatores de crescimento moduladores, como o hormônio do crescimento, podem estar associados a uma melhoria na taxa de crescimento e eficiência alimentar. O uso de hormônio exógeno para a criação de peixes é proibido por lei no Brasil, porém, o uso experimental do hormônio bovino pode ser útil em pesquisas que visam determinar mecanismos de estímulo dos hormônios de crescimento endógenos em peixes. Portanto, o presente estudo teve como objetivo estrito a compreensão dos efeitos do hormônio de crescimento sobre a fisiologia e os parâmetros zootécnicos de C. macropomum em condições experimentais . Os animais foram injetados intraperitonealmente a cada quinze dias com 1, 10 e 100 μg g-1 de bGH, utilizando solução salina a 0,9% de NaCl como diluente. Observou-se que as concentrações 10 e 100 μg g-1 tiveram um efeito positivo sobre os índices de desempenho de C. macropomum em ganho de massa (g), crescimento em comprimento (cm), ganho de massa diário (g), conversão alimentar e taxa de crescimento específico (% por dia). O bGH promoveu ganho maior em comprimento do que em massa, o que causou diminuição do fator de condição nos indivíduos que receberam 10 e 100 μg g-1. Além disso, o bGH não causou alterações nos níveis de glicose, cortisol, parâmetros hematológicos, níveis plasmáticos de Na+ e K+ e na atividade de H+-ATPase e Na+, K+-ATPase nas brânquias durante o período experimental. 2020-04-24T15:15:09Z 2020-04-24T15:15:09Z 2018 Artigo https://repositorio.inpa.gov.br/handle/1/13147 10.1590/1809-4392201800181 en Volume 48, Número 3, Pags. 197-206 Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ application/pdf Acta Amazonica |
| institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
| collection |
INPA-RI |
| language |
English |
| topic |
Aquaculture Growth Performance Osmorregulation Hematological Parameters Aquicultura Performance Em Crescimento Osmorregulação Parâmetros Hematológicos |
| spellingShingle |
Aquaculture Growth Performance Osmorregulation Hematological Parameters Aquicultura Performance Em Crescimento Osmorregulação Parâmetros Hematológicos Paz, Arlan de Lima Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects |
| topic_facet |
Aquaculture Growth Performance Osmorregulation Hematological Parameters Aquicultura Performance Em Crescimento Osmorregulação Parâmetros Hematológicos |
| description |
Colossoma macropomum, known locally as tambaqui, is the native fish most farmed in Brazil, however, technological advances are needed to reach efficient production rates. Modulating growth factors, such as growth hormone, may be associated with improved growth rate and feed efficiency. The use of exogenous hormone for fish rearing is prohibited in Brazil, yet the experimental use of bovine hormone can be useful in research aimed at understanding how to stimulate endogenous growth hormones in fish. Therefore, the present study had the strict objective of understanding the effects of growth hormone on the physiology and zootechnical parameters of C. macropomum under experimental conditions. The animals were intraperitoneally injected every fifteen days with 1, 10 and 100 μg g-1 of bGH using 0.9% NaCl saline as diluent. The 10 and 100 μg g-1 bolus had a positive effect on the performance indexes of C. macropomumweight gain (g), growing length (cm), daily weight gain (g), feed conversion and specific growth rate (% per day). The bGH promoted a greater increase in length than in mass, which caused a reduction in condition factor of the individuals receiving a bolus of 10 and 100 μg g-1. Furthermore, bGH caused no changes in glucose levels, cortisol, hematological parameters, plasma levels of Na+ and K+, and activity of gill's H+-ATPase and Na+, K+-ATPase, at least during the experimental period considered in the present study. |
| format |
Artigo |
| author |
Paz, Arlan de Lima |
| author2 |
Val, Adalberto Luis |
| author2Str |
Val, Adalberto Luis |
| title |
Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects |
| title_short |
Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects |
| title_full |
Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects |
| title_fullStr |
Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects |
| title_full_unstemmed |
Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects |
| title_sort |
manipulation of growth of the amazonian fish tambaqui, colossoma macropomum (characiformes: serrasalmidae): analysis of physiological and zootechnical aspects |
| publisher |
Acta Amazonica |
| publishDate |
2020 |
| url |
https://repositorio.inpa.gov.br/handle/1/13147 |
| _version_ |
1787143697187471360 |
| score |
11.755432 |