Concentrations of progesterone, testosterone and estradiol-17β in the serum during the estrous cycle of Asian elephants (Elephas maximus)
Publication/Journal: Zoo Biology
Keywords: elephant, follicular development, luteal function
1991
Successful artificial insemination in the giant panda (Ailuropoda melanoleuca) at ueno zoo
Publication/Journal: Zoo Biology
Keywords: artificial insemination, behavioral estrus, electroejaculation, giant panda, pregnancy
1989