GGRA02H3 Lecture 4: GGRA02 Lecture Four.docx
Document Summary
Demand for food grew in europe and north america and population moved from rural to urban. Main change occurred in food consumption: stop producing it yourself, no longer able to grow on food, have to pay cash and buy food (immediately economy plays role) established a cash market . By 1930 urban population rural in canada, continue growing demand for food. Refrigeration (canning, freezing) strong food ; technological changes which made it possible to move long distances and move foods like grains and meats could be transported efficiently. Meat from south america and argentina became major supply to europe. Need to become more efficient; more products using pesticide. Substitution of natural by artificial processes and ingredients ( example- feed cattle processed food [grain] all day tied up in barn to milk them) Preservative; injecting antibiotics / growth hormones in order to reduce disease and fatten livestock.