Turkeys: Slaughtered at 5 to 6 months young; Natural life span: 2 to 6 years. Ducks/Geese: Slaughtered at 7 to 8 weeks young; Natural life span: domestic ducks: 6 to 8 years; geese from 8 to 15 years.
Since there are virtually no written accounts of this civilization, nearly everything we know about it is from archaeology. The Emergence of Indus Valley Civilization. Early civilization spread around the Indus River, which like the Nile River in. Egypt, would flood and bring water and rich soil. From 3500 to 2600 BC, the Early. Indus (o r Early Harappan) period began in this region.
The cities of the Indus Valley Civilization were well-organised. and solidly built out of brick and stone. Their drainage systems, wells and water storage systems were the most sophisticated in the ancient world.