Scientists are beginning to link animal facial expressions to emotions, making it possible for us to understand how they feel.
Total meat consumption per capita in Australia has been stable since the 1960s but the type of meat consumed has changed significantly. Chicken and pork both now far outstrip beef, mutton and lamb.
There has been a drastic reduction in the fat content of red meat in the last 40 years. South African red meat can now be classified as lean.
Lamb and mutton meat from parts of South Africa have a unique taste, which, according to science, depends on what the animal eats.