Reproductive parameters in some captive‐bred cockatoo species (genus Cacatua and Eolophus)
2020
Marelli, Stefano Paolo | Abdel Sayed, Ahmad | Magni, Michele | Crosta, Lorenzo | Schnitzer, Petra | Strillacci, Maria | Luzi, Fabio | Cerolini, Silvia | Zaniboni, Luisa
BACKGROUND: Cockatoo reproduction in captivity supplies a powerful tool to limit the economic motivation to capture endangered species from the wild; nevertheless, scientific data about reproductive parameters in cockatoos are very rare. The aim of the present work was to investigate the reproductive performance of different species of the Cacatua genus reared in the same facility to evaluate adaptability to captive breeding and to identify the main problems in ex situ conservation of some cockatoo species. METHODS: Data of 28 eggs from 19 reproductive pairs from 9 cockatoo species were analysed. Statistical analysis was carried out by SAS NPAR1WAY procedure: species was considered source of variation. RESULTS: Species effect does not significantly influence reproductive variables; differences were recorded in eggs fertility and embryo liveability. Bird adaptive ability to captive breeding has been described through reproductive parameters. CONCLUSION: Our results show the importance and the maintenance of natural species‐specific behaviours and habits, and they underline the relevance of data collection about reproductive performance in endangered species kept in captivity to improve breeding management in conservation programmes.
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