Crops Statistics—Concepts, definitions and classifications", available from www.fao.org /fileadmin/templates/ess /ess_test_folder/documents /Production_trade/definitions /Crops_statistics_concepts _definitions_classifications.doc (accessed 4 August 2017). Livestock impacts on the environment". Livestock are animal species that are raised by humans for commercial purposes, consumption or labour (ISIC Rev. 4, Section A, Division 01). Usually raised in agricultural settings, typical livestock species include cows, poultry, pigs, goats and sheep.