Parents should know that this film includes diseased and starving animals, children and adults in peril, murder, death of parents, child injured badly, dog fights with animals injured and killed, skeletons, some disturbing images including surgery, brief strong language, and references to dogs mating. (moviemom.maxlazebnik.com)
The genes came from the Zoological Society of San Diego's Frozen Zoo, a collection of 35,000 preserved animal tissue samples, including skin cells from a male banteng that had been killed in a fight with another animal at the zoo in 1980. (discovermagazine.com)
There are various causes of broken bones, such as road accidents, falling from a high place, fighting with another animal or even excessive running. (petsmagazine.com.sg)