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Dettagli Bibliografici
Autore principale:	Leonardo Iván Vélez Monroy
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Universidad Nacional Autónoma de México 2004
Soggetti:	Multidisciplinaria (Ciencias Naturales y Exactas) Cabras subtrópico efecto macho previo aislamiento Inducción del estro
Accesso online:	https://www.redalyc.org/articulo.oa?id=42335301
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La presencia del macho en un grupo de cabras anéstricas no impide su respuesta estral a la introducción de un nuevo macho Leonardo Iván Vélez Monroy Francisco Gerardo Véliz Deras Gerardo Duarte Moreno José Alberto Delgadillo Sánchez Pascal Poindron Massot Benoît Malpaux José Alfredo Flores Cabrera Multidisciplinaria (Ciencias Naturales y Exactas) Cabras subtrópico efecto macho previo aislamiento Inducción del estro Este estudio se efectuó para determinar si la separación previa de los dos sexos es necesaria para estimular la actividad sexual de las cabras anéstricas mediante el efecto macho. Se utilizaron 50 hembrasCriollas del subtrópico mexicano (26°23 N y 104°47 O), que estuvieron en contacto permanente con dos machos cabríos desde diciembre. El 15 de marzo se formaron dos grupos (n = 25 cada uno, un macho por grupo). El 16 de marzo los dos machos fueron retirados e inmediatamente un grupo decabras fue puesto en contacto con otros tres machos en reposo sexual, mientras que el otro fue expuestoa tres machos tratados con 2.5 meses de días largos para estimular su actividad sexual. Las frecuenciasde automarcajes con orina, olfateos ano-genitales, aproximaciones, intentos de montas y montas de losmachos testigo durante los primeros cinco días después de su introducción, fueron inferiores que las de los tratados (P < 0.05). En los primeros diez días de estimulación, más de 95% de las hembras en contacto con los machos testigo y tratados, mostraron al menos un estro (P > 0.05). Estos resultados indican que la separación previa de los dos sexos no es necesaria para estimular la actividad sexual de las cabras sometidas al efecto macho, al menos cuando el anestro es moderado. 2004 artículo científico 0301-5092 https://www.redalyc.org/articulo.oa?id=42335301 es http://www.redalyc.org/revista.oa?id=423 Veterinaria México application/pdf Universidad Nacional Autónoma de México Veterinaria México (México) Num.3 Vol.35

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// 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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