Origin and domestication of farm and companion animals. The ecological environment in which animal production and development is practised. Animal ecological factors that influence regional classification. Livestock species, breeds and breed characterisation and genetic variation. Basic principles of nutrition, physiology, breeding and production. Applied principles of livestock production, production management and systems (large livestock, small stock, pigs and poultry), organisation of the livestock industry and relevant legislation. Animal handling. Practical work includes identification and classification of different breeds of livestock, as well as the general care and handling of farm stock.