Ball, R.L.; Weatherford, D.; Green, J.; Forker, K.; Christensen, B.W. 2005. Milk electrolytes as predictors of parturition in captive black (Diceros bicornis) and white (Ceratotherium simum) rhinoceros. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 42: 205.
Milk electrolytes as predictors of parturition in captive black (Diceros bicornis) and white (Ceratotherium simum) rhinoceros