Effect of eCG and laparoscopic insemination on reproductive performance in F1 (Damara x Merino) ewes

Forty five F1 (Damara x Merino) ewes with 123 +/- 27.6 days post partum were used to evaluate two differents dosage of equine chorionic gonadotropin (eCG) plus laparoscopic insemination (IL) and its effect on oestrus presentation, fertility and prolificacy percentages under conditions of humid tropi...

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Detalles Bibliográficos
Autores: Tinajero, JJM, Esqueda, MTST, Alanis, LB, Rubio, RR, Martínez, GDM, Mora, JLC, Villanueva, OM
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2006
País:México
Institución:Universidad Nacional Autónoma de México
Repositorio:Sistema de Información de la Facultad de Ciencias, UNAM
OAI Identifier:oai:repositorio.fciencias.unam.mx:11154/1347
Acceso en línea:http://hdl.handle.net/11154/1347
Access Level:acceso abierto
Palabra clave:Veterinary Sciences
CIDR
eCG
laparoscopic insemination
oestrus synchronization
ewes
Descripción
Sumario:Forty five F1 (Damara x Merino) ewes with 123 +/- 27.6 days post partum were used to evaluate two differents dosage of equine chorionic gonadotropin (eCG) plus laparoscopic insemination (IL) and its effect on oestrus presentation, fertility and prolificacy percentages under conditions of humid tropic conditions. To synchronize oestrus ewes were treated with controlled internal drug release (CIDR) devices containing 0.3 g of progesterone for 12 d. Ewes were assigned randomly to three treatments: T1. CIDR plus natural mating