Great questions Donna! To answer both, yes! There are zoos that could help the population and are, the Lowery Park Zoo in Tampa Bay, FL. took in an orphan fawn earlier this year and have nursed it back to health. (You may Google this by typing in: Key Deer in zoos) To the second part of your question on Oct. 3rd 2016 the USDA APHIS announced an outbreak of Screwworm in Monroe County, FL. Unfortunately they have not been eradicated fully off of the key to date, but strong measures are being taken to combat the fly, and full eradication is expected. (You may also Google this one just click on the USDA site) However as I have been doing a documentary on the Key Deer over the last two years I can report their numbers are good and heards are healthy! I was down there for the months of Oct. and Nov. 2018 and saw great rebound after Irma. Hope this helps!
Screwworm was eradicated as of April 2017. The herd is healthy and they are in their natural habitat. They are very sensitive and would die in captivity.
Thanks! Your answer is awaiting moderation.