Daigle, C. L.; Brown, Janine L.; Carlstead, K.; Pukazhenthi, Budhan S.; Freeman, E. W.; Snider, R. J.
(2015)
A breeding moratorium enacted in the early 1980s for African lions Panthera leo in North American zoos was lifted in 1998. However, post-moratorium reproduction was poorer than expected from 1999 to 2005. In 2007, therefore, ...