There are several popular arguments for reducing meat consumption and selecting alternative protein sources in the modern diet. The first of these is based on a body of research indicating adverse health consequences arising from excessive meat consumption. The second category encompasses all of the philosophical beliefs and convictions in favour of vegetarianism and the promotion of animal welfare. The third argument in favour of reduced meat consumption is based on the environmental impacts of intensive livestock production. The majority of individuals in developed countries consume greater quantities of animal based protein than currently recommended by the World Health Organisation. This is clearly evident from the average daily intake for...