Over two hundred years of intelligent development have enabled the British stockbreeder to increase production and maintain the excellence of his livestock. Examples of the different beef and dairy breeds and the qualities of the various types are shown. The national schemes for making improvements and the part that science plays' Ministry of Agriculture, Fisheries and Food film catalogue 1957 p145 Cattle in field, ploughing and re-sewing of grassland, lay system. Beef breeds distinct to areas shown: Herefords, Aberdeen Angus and Devons. Dairy breed - Ayrshire, dual breeds Red Poll, Shorthorn two strains dairy shorthorn shown. Licensing of bulls. Shorthorn Scotch shown. Illustration of breeding practices. Sale at Perth, Scotland. Guernseys and Jerseys shown. Friesians on dairy farm shown, including bulls. Laboratory examining milk, TB tests and abortion tests. Artificial insemination centre at University of Reading. Dockyard with bull loaded onto a ship for export. Central Office of Information for Ministry of Agriculture, Fisheries and Food Director William MacQuitty and John Martin-Jones Photography Hamish Lawrie Editor Cath Miller Recorded at Merton Park Studios (Western Electric)