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Main Author:	Hermes Pineda S
Format:	Artículo científico
Language:	es
Published:	Universidad de Córdoba 2013
Subjects:	Veterinaria herencia morfometría Heredabilidad peces (Fuente: MeSH) mejoramiento genético
Online Access:	https://www.redalyc.org/articulo.oa?id=69329148005
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Selección por conformación de reproductores de tilapia roja Oreochromis sp., mediante prueba de progenie Hermes Pineda S Mónica Taborda A Alejandro Hernández B Veterinaria herencia morfometría Heredabilidad peces (Fuente: MeSH) mejoramiento genético Objetivo. Contribuir con la caracterización estadística y genotípica (media, media del error estándar, varianza y heredabilidad) de la Longitud Total (LT) y Longitud Altura del Lomo (LAL), y plantear una estrategia de selección para mejorar la calidad de la semilla de reproductores de tilapia roja Oreochromis sp. Materiales y métodos. El proyecto se realizó en la Granja Experimental y de Producción Piscícola (PCJIC), a un Km del municipio de San Jerónimo, distante 61 Km al Occidente de Medellín (Antioquia). Se conformaron tres grupos de cruzamientos, cada uno en proporción de 3 hembras por 1 macho así: un cruce Hembras Blancas (HB) x Macho Rojo (MR) y dos cruces Hembras Blancas (HB) x Macho Blanco (MB). Las progenies fueron medidas a los 60 días post eclosión, teniendo en cuenta los supuestos estadísticos. Resultados. El ANOVA mostró que las progenies difieren significativamente (p<0.001) para ambas variables continuas. La LT fue mayor para la progenie del cruzamiento HBxMB sin reversión (8.04±1.04cm) y LAL fue mayor para la progenie HBxMR (2.33±0.44cm). La correlación pareada entre las variables fue altamente significativa (r≥0.79, p<0.001). Las heredabilidades fueron 0.59 (LT) y 0.64 (LAL). Los porcentajes de manchas en las progenies fueron HBxMR (34%) y HBxMB no revertida (66%). Conclusiones. La progenie del Grupo 1 HBxMR tuvo los reproductores para una mejor selección por conformación, por lo que se sugiere aumentar el número de animales con mayor LAL. También, considerar la menor cantidad de manchas oscuras y realizar un manejo de reproductores por grupos independientes para selección masal. 2013 artículo científico 0122-0268 https://www.redalyc.org/articulo.oa?id=69329148005 es http://www.redalyc.org/revista.oa?id=693 Revista MVZ Córdoba application/pdf Universidad de Córdoba Revista MVZ Córdoba (Colombia) Vol.18

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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