RT Journal Article
T1 Short communication. Melatonin improves the reproductive performance of seasonal anoestrus goats exposed to buck effect during early post-partum
A1 Zarazaga Garcés, Luis Ángel
A1 Gatica Jorquera, María Carolina
A1 Gallego Calvo, María Lourdes
A1 Celi Mariátegui, Irma del Rosario
A1 Guzmán Guerrero, José Luis
AB The aim of the present study was to determine whether any combination of buck effect and melatonin treatmentcould improve reproductive performance in Payoya female goats during early postpartum. Forty-four pregnant femalegoats were used. After birth in spring, they were distributed into two major groups: females submitted to the buckeffect (BE, N = 22) or not such effect (NBE, N = 22). In turn, the BE animals were subdivided into: 1) no furthertreatment (CBE, N = 11) and 2) implanted with melatonin (MELBE, N = 11). And the NBE animals were subdividedinto: 3) no further treatment (CNBE, N = 12) and 4) implanted with melatonin (MELNBE, N = 10). Melatonin wasimplanted 10 days after birth. Oestrus activity was tested daily using entire males from day of birth (D0) in the groupsNBE and from D55 after birth in the BE groups. Transrectal ultrasonography was performed 10 days after the detectionof oestrus and 45 days after mounting to determine pregnancy. Fecundity, fertility and productivity were higher inMELBE animals compared to CNBE animals (fecundity and fertility: 66.7% vs. 0.0%, and productivity: 0.73 vs. 0.00kids/female for MELBE and CNBE respectively, p<0.05), and CBE animals (fecundity and fertility: 66.7% vs. 14.3%,and productivity: 0.73 vs. 0.09 kids/female for MELBE and CBE respectively; p<0.05). No significant differenceswere recorded between the subgroups of the NBE animals. The present results show that exogenous melatonin improvesthe reproductive performances of early post-partum Payoya does exposed to male effect during the seasonal anoestrus.
PB Consejo Superior de Investigaciones Científicas
SN 1695-971-X
SN 2171-9292 (electrónico)
YR 2013
FD 2013
LK https://hdl.handle.net/10272/22600
UL https://hdl.handle.net/10272/22600
LA eng
NO Zarazaga, L. A., Gatica, M. C., Gallego-Calvo, L., Celi, I., & Guzman, J. L. (2013). Short communication. Melatonin improves the reproductive performance of seasonal anoestrus goats exposed to buck effect during early post-partum. Spanish Journal of Agricultural Research, 11(4), 997-1003. https://doi.org/10.5424/sjar/2013114-4115
DS Repositorio Institucional de la Universidad de Huelva
RD 14 jul 2026