text:  The consequence, if you have a very narrow gene pool, is that, for example, a virus can jump from one individual to the other because each individual is the same and the immune system acts like the same. Thomas Hildebrandt is from the Leibniz Institute for Zoo and Wildlife Research in Germany. His specialist team is working with Dublin Zoo and others across Europe. The eggs are collected using an ultra-fine needle. Good. Good reaction. Left side.