Induction of the ovulatory LH surge in Asian elephants (Elephas maximus): a novel aid in captive breeding management of an endangered species.

Thitaram, C.; Pongsopawijit, P.; Chansitthiwet, S.; Brown, J.L.; Nimtragul, K.; Boonprasert, K.; Homkong, P.; Mahasawangkul, S.; Rojanasthien, S.; Colenbrander, B.; van der Weijden, G.C.; van Eerdenburg, F.J.C.M.