Implantes de melatonina en moruecosEfecto sobre algunos índices reproductivos en un rebaño de raza rasa aragonesa
- L. García Pastor 1
- J.M. González
- L. Figueras
- M. Callejas
- L.M. Cebrián 1
- M. Espada
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1
Universidad de Zaragoza
info
- Fernando Forcada Miranda (coord.)
- Eduardo Angulo Asensio (coord.)
- José Antonio García de Jalón Ciércoles (coord.)
- Marcelo de las Heras Guillamón (coord.)
- Fernando López Gatius (coord.)
- Marianao Domingo Álvarez (coord.)
- Alfonso Abecia Martínez (coord.)
Editorial: Sociedad Española de Ovinotecnia y Caprinotecnia SEOC
Any de publicació: 2004
Congrés: Sociedad Española de Ovinotecnia y Caprinotecnia (SEOC). Jornadas (8. 2004. Lleida)
Tipus: Aportació congrés
Resum
The aim of this work was to evaluate the effect of melatonin implants inserted in rams in late February, tomate in Abril ewes synchronized in oestrus with intravaginal pessaries and PMSG. Eighteen rams were used, halfof them implanted with melatonin, the other half being considered as control. Rams of each group mated 100ewes. After 39 days, melatonin-treated rams presented a significantly higher scrotal diameter (p=0.017) incomparison with control rams. Ewes mated with treated rams had a higher litter size (p=0,068) than ewes mantedwith control rams.