2003
DOI: 10.4025/actascianimsci.v25i1.2109
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Extratos de hipófise de frango e coelho na indução reprodutiva da carpa comum (Cyprinus carpio)

Abstract: RESUMO. Cinqüenta e três exemplares de Cyprinus carpio foram induzidos com três agentes indutores: extratos de hipófises de frango (EHF), coelho (EHCo) e como controle, de carpa (EHC). O volume médio de sêmen, a concentração de espermatozóides, o número total de espermatozóides liberados no sêmen, foram superiores nos machos tratados com EHF e EHC (p<0,05) em relação ao EHCo. Não houve diferença (p>0,05), porém, para a motilidade progressiva, vigor espermático e a taxa de eclosão em função dos diferentes hormô… Show more

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“…Thus, it is desirable that after the hormonal induction the seminal fluid values are maintained or increase, as shown in our study. From preliminary evaluation of male maturity, hormonal induction with GnRH or CPE stimulated spermatogenesis, producing semen with high motility, a fact corroborated by our data and results shown in the studies with Rhamdia quelen (Ferreira et al, 2001), Brycon amazonicus (Pardo-Carrasco et al, 2006), Piaractus mesopotamicus (Streit Junior et al, 2006) and Barbus barbus (Cejko et al, 2012b). As spermatic motility levels, duration of motility is a preeminent subjective measure among the parameters to determine spermatic viability, because it allows the control of the time required to perform oocyte fertilization by artificial reproduction (Sanches et al, 2009), as also can suggest data about seminal quality.…”
Section: Discussionsupporting
confidence: 86%
“…Thus, it is desirable that after the hormonal induction the seminal fluid values are maintained or increase, as shown in our study. From preliminary evaluation of male maturity, hormonal induction with GnRH or CPE stimulated spermatogenesis, producing semen with high motility, a fact corroborated by our data and results shown in the studies with Rhamdia quelen (Ferreira et al, 2001), Brycon amazonicus (Pardo-Carrasco et al, 2006), Piaractus mesopotamicus (Streit Junior et al, 2006) and Barbus barbus (Cejko et al, 2012b). As spermatic motility levels, duration of motility is a preeminent subjective measure among the parameters to determine spermatic viability, because it allows the control of the time required to perform oocyte fertilization by artificial reproduction (Sanches et al, 2009), as also can suggest data about seminal quality.…”
Section: Discussionsupporting
confidence: 86%