共 7 条
[1]
Non-invasive monitoring of avian reproduction by simplified faecal steroid analysis. Bishop C M,Hall M R. Journal of Zoology . 1991
[2]
Non-invasive assessment of the annual gonadal cycle in free-living Kakapo ( Strigops habroptilus ) using fecal steroid measurements. Cockrem F,Rounce R. The Auk . 1995
[3]
A new method of sex determination in monomorphic birds. Bercovitz A B,Czekala N M,Lasely B L. J of Zoo Anim Medic . 1978
[4]
The seperation of estrogens from avian droppings. Hurst O,Kuksis A,Bendell F. Canadian Journal of Biochemistry and Physiology . 1957
[5]
Non-invasive assessment of seasonal hormone profile in capative bald eagles. Bercovitz A B,Collins J,Price P,et al. Zoo Biology . 1982
[6]
Testosterone and mate choice in the Dark-eye Junco. David E,Ellem K,Nolan P. Animal Behaviour . 1997
[7]
Non-invasive assessment of endocrine difference s in day-old Chicks by analysis of the immunoreactive oestrogen excreted in the eggs. Bercovitz A B,Mersky A,Frye F. Journal of Reproduction and Fertility . 1985