22.02.2013 Views

Elephants Elephants - Wildpro - Twycross Zoo

Elephants Elephants - Wildpro - Twycross Zoo

Elephants Elephants - Wildpro - Twycross Zoo

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Dineley, J. 1984. Operant conditioning: a tool in zoo animal training and husbandry.<br />

Ratel 11, 3-7.<br />

Dineley, J. 1990. Basic techniques in modern animal training. Ratel 17, 164-168.<br />

Dobson, A. & Poole, J.H. 1998. Conspecific aggregation and conservation biology. In:<br />

Behavioral Ecology and Conservation Biology (Ed. by T. Caro), pp. 193-208.<br />

NewYork, Oxford University Press.<br />

Dorresteyn, T. & Terkel, A. 2000. Captive elephant breeding: what we should do. In:<br />

EEP Yearbook 1998/99 Including Proceeding of the 1999 EAZA Conference, Basel<br />

(Ed. by F. Rietkerk, B. Hiddinga, K. Brouwer & S. Smits), pp. 482-483.<br />

Amsterdam, EAZA Executive Office.<br />

Dorresteyn, T. & Terkel, A. 2000. Forward planning and EEP management for<br />

elephants in EAZA collections. In: EEP Yearbook 1998/99 Including Proceeding<br />

of the 1999 EAZA Conference, Basel (Ed. by F. Rietkerk, B. Hiddinga, K.<br />

Brouwer & S. Smits), pp. 480-481. Amsterdam, EAZA Executive Office.<br />

Douglas-Hamilton, I. 1987. African elephants: population trends and their causes. Oryx<br />

21, 11-24.<br />

Douglas-Hamilton, I. & Douglas-Hamilton, O. 1975. Among the <strong>Elephants</strong>. London:<br />

Book Club Associates<br />

Doyle, C. 1993. Protected/confined contact as a supplement in a free contact system. In:<br />

American Association of <strong>Zoo</strong>logical Parks and Aquaria Annual Conference<br />

Proceedings, pp. 19-21. Wheeling, W.Va., AZA.<br />

Doyle, C., York, B. & Whiteley, A. 2000. A survey of Asian elephant birth from 1962-<br />

1998. Journal of Elephant Managers Association 10, 146-148.<br />

Duer, C., Cardenb, M., Schmitta, D. & Tomasia, T. 2002. Utility of maternal serum total<br />

testoseterone analysis for fetal gender determination in Asian elephants<br />

(Elephus maximus). Animal Reproduction Science 69, 47-52.<br />

Dunham, K.M. 1988. Demographic changes in the Zambezi Valley elephants (Loxodonta<br />

africana). Journal of <strong>Zoo</strong>logy, London 215, 382-388.<br />

Ehlers, B., Burkhardt, S., Golz, M., Bergmann, V., Ochs, A., Weiler, H. & Hentschke, J.<br />

2001. Genetic and ultrastructural characterization of a European isolate of<br />

the fatal endotheliotropic elephant herpesvirus. Journal of General Virology 82,<br />

475-482.<br />

Eisenberg, J.L. 1981. The Mammalian Radiations: An Analysis of Trends in Evolution,<br />

Adaptation and Behaviour. London: Athlone Press<br />

Eisenberg, J.L. & Lockhart, M. 1972. An ecological reconnaissance of Wilpattu National<br />

Park, Ceylon. Smithsonian Contributions to <strong>Zoo</strong>logy 101, 1-118.<br />

Eltringham, S.K. 1982. <strong>Elephants</strong>. Poole, Dorset: Blandford Press, Blandford Mammal<br />

Series<br />

141

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!