Terraristik Forum - Terraon.de

Zitat

Jetzt aber mal was andres, wie stellt PETA sich denn das vor, was soll
denn mit den Tieren passieren die in Privatbesitz sind? Einschläfern?
Freilassen?

Zitat von »Meckimäh«

So viel ich weiß existieren von Casarea dussumieri
noch immer Populationen ohne Auswilderung durch den Menschen.

Zitat

Another rare species which has bred at the zoo this summer is the Round Island boa (Casarea dussumieri). Collected in 1977 and 1978 on Gerald Durrell's expeditions to Round Island, near Mauritius, these unique and highly endangered snakes have always been very difficult to keep and breed in captivity. Jersey is the only zoo in the world to have bred them; but success during the 1980s came to an abrupt end in 1990, the last time boas were hatched at the zoo. Thereafter, all eggs were either infertile or failed to hatch. Over the past four years many modifications have been made to the boas' diet, accommodation and seasonal environment in an effort to stimulate renewed breeding vigour. Additionally, monthly ultra-sound scans were carried out for two years on all the females, to develop a better understanding of their reproductive cycles and identify when individuals were ovulating so that they could be introduced to males. The final piece in the puzzle was the supplementation of calcium and vitamin D3, both essential substances for the production of healthy eggs and offspring. Vitamin D3, which many other animals, including humans, synthesise through exposure to sunshine, controls the metabolism of calcium in the body. Without D3, eggs and their embryos will not receive sufficient calcium reserves to build strong healthy babies. On 1–2 August 12 out of a clutch of 13 eggs successfully hatched. The babies are minute, about 20 cm long but weighing only 3–4 g. At the time of writing (7 August), 22 more eggs from three other clutches are still in the incubator and are expected to hatch over the next six weeks.