Artigo

Indução do estro em cutias (Dasyprocta leporina) utilizando-se protocolos à base de prostaglandina isolada ou em associação com análogo de GnRH

We compared the efficiency of protocols for estrus induction in agoutis. Five females received double intraperitoneal administration of cloprostenol (5µg) on a 2-days interval; other five females were treated with intravulvar administration of 30µg gonadotrophin release hormone analogue (GnRH associ...

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Autor principal: PEIXOTO, Gislayne Christianne Xavier
Outros Autores: MAIA, Keilla Moreira, CAMPOS, Lívia Batista, OLIVEIRA, Gislaine Borba, OLIVEIRA, Maurilio Fernandes de, BRITO, Adriel Behn de, DOMINGUES, Sheyla Farhayldes Souza, SILVA, Alexandre Rodrigues, ALMEIDA, Laressa Marques de
Grau: Artigo
Idioma: por
Publicado em: FEPMVZ Editora 2019
Assuntos:
Acesso em linha: http://repositorio.ufpa.br/jspui/handle/2011/10877
http://dx.doi.org/10.1590/1678-4162-9907
Resumo:
We compared the efficiency of protocols for estrus induction in agoutis. Five females received double intraperitoneal administration of cloprostenol (5µg) on a 2-days interval; other five females were treated with intravulvar administration of 30µg gonadotrophin release hormone analogue (GnRH associated to intraperitoneal administration of 5µg cloprostenol after seven days and a new administration of GnRH analogue after two days. Every 3 days, the agoutis’ reproductive cycle was monitored by blood collection for hormonal analysis, ovarian ultrasound and vaginal cytology. Two females, originally in luteal phase, that received isolated prostaglandin presented estrous signs at 3 and 6 days after the second drug administration. From the females that received the association, two that were originally in luteal phase presented estrus at 4 days after treatment, and one other presented estrus only after 10 days. There was no significant statistical difference regarding the efficiency of treatments for estrus induction (P>0.05). We conclude that, according to the protocols tested in the study, the use of isolated prostaglandin or its association to GnRH analogue for estrus induction in D. leporine shows an efficiency limited to the females that were in luteal phase in the beginning of the treatment.