| Registro completo |
| Provedor de dados: |
OceanDocs
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| País: |
Belgium
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| Título: |
Validación y estandarización de una técnica para biopsia ovárica en el pargo flamenco, Lutjanus guttatus (Steindachner, 1869)
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| Autores: |
Alvarez-Lajonchère, L.
Ibarra-Zatarain, Z.
Ibarra-Castro, L.
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| Data: |
2013-07-19
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| Ano: |
2013
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| Palavras-chave: |
Tests
Sampling (biological)
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| Resumo: |
Se estudió la estandarización y validación de una técnica de biopsia para la evaluación del desarrollo ovárico del pargo flamenco, Lutjanus guttatus (Steindachner, 1869). Ovocitos en diferentes estadios estaban presentes a lo largo de los ovarios. Los ovocitos vitelogénicos se distinguen por su opacidad bajo luz trasmitida. Los diámetros deben ser medidos dentro de las primeras 36 h después de su fijación en una solución de formalina al 1 % en 0,9 % de NaCl, antes de que su citoplasma sea clareado con solución Serra, para evitar distorsiones. Los ovocitos vitelogénicos mostraron una distribución de frecuencias de sus diámetros con una sola moda y sus medias no fueron significativamente diferentes entre los ovarios derecho e izquierdo (P > 0,05), y se incrementó significativamente de las regiones anterior a posterior (P > 0,05). Se calculó un tamaño de muestra de 50 ovocitos vitelogénicos tardíos para los estimados de los diámetros medios. Los análisis estadísticos de los ovocitos obtenidos con cánula in vivo no fueron diferentes significativamente de muestras duplicadas in vitro, así como de muestras pareadas in vivo, de la misma región ovárica (P > 0,05). Los estimados del coeficiente de variación corregidos para sesgos (P < 0,05) de cinco hembras fueron 1,10 ± 0,27 a 1,20 ± 0,30. Los resultados del presente estudio aportaron información exacta y precisa sobre el desarrollo ovárico para la selección de reproductores en experimentos de inducción del desove.
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| Tipo: |
Journal Contribution
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| Idioma: |
Espanhol
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| Identificador: |
Revista de Investigaciones Marinas, 33 (1), p. 71-78
1991-6089
http://hdl.handle.net/1834/4927
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| Relação: |
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| Direitos: |
http://creativecommons.org/licenses/by-nc/3.0/
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