In conclusion, it can be said that oestrus
synchronization with long-term progestagen
treatment (14 d-FGA-PGF2α-eCG) could be
replaced with short-term progestagen treatment
(8 d-FGA-PGF2α-eCG) without a reduction
in oestrus rate and fertility parameters in
lactating goats at the beginning of breeding
season. However, the use of GnRH prior to
short-term progestagen treatment (8 d-FGAPGF2α-
eCG) do not have a positive effect on
fertility parameters in goats.