Reproductive cycle length and pregnancy in the southern white rhinoceros (Ceratotherium simum simum) as determined by fecal pregnane analysis and observations of mating behavior von Patton, M.L, Swaisgood, R.R, Czekala, N.M, White, A.M, Fetter, G.A, Montagne, J.P, Rieches, R.G, Lance, V.A

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Aggression control in a bachelor herd of fringe-eared oryx (Oryx gazella callotis), with melengestrol acetate: Behavioral and endocrine observations von Patton, M.L., White, A.M., Swaisgood, R.R., Sproul, R.L., Fetter, G.A., Kennedy, J., Edwards, M.S., Rieches, R.G., Lance, V.A.

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