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.
Due to the spread of the civilization along both the river valleys, some scholars use the term Indus-Sarasvati Civilisation. At its peak, the Indus Civilization may have had a population of more than 5 million. Inhabitants of the ancient Indus river valley developed new techniques in handicraft (carnelian products, seal carving) and metallurgy (copper, bronze, lead, and tin).