zoo510 past papers


zoo510 past papers .Water farming • The art of growing a natural water product. • Farming means a form of interventions for growth
production improvement process, such as standard installation, feeding, protection from predators, etc. • Aquaculture is therefore an aquaculture natural or controlled marine or freshwater areas • Both under controlled or partially controlled conditions. • Mariculture – (old name) seawater or brackish• Aquaculture includes aquaculture,
including fish, crustaceans, crustaceans and aquatic plants. ”  zoo510 past papers


History of Aquaculture

• Egyptian tombs have a bas-relief (carved) fish (tilapia) removed from lakes – 2500 B.C. • Carp was cultivated in China after 2500 B.C. – Wen Fang – founder of the Chou Dynasty is named the first fish farmer – (during the exile he kept records of fish growth as well character) – Fan Li – wrote the first book on fish farming in 475 B.C.
– The Lee family – They were the first in the carculture carp at the time The kingdom of Tang 600 to 900 A.D. • England – 1500 AD carp culture was introduced • The U.S. – The first fishing grounds were in Oregon 1877 zoo510 past papers


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Terms of Design for the Lake • Entrance gates are inspected at the shallow edge of the lake • Harvest gates tested at deep depths • Basket harvesting slope (0.5-1.0%) • Water depth 1.25  2.00 M. Feed tray pipes (booths) • Round or square corners, stairs or entrances • Small levees are wide enough to accommodate cars. The height is determined by the height of the bottom of the lake, amplitude at sea. zoo510 past papers.


Downlaod papers from this link:

• The perimeter levee is usually required to be protected from flood areas • Levees with slopes 1: 2 with high clay, low clay 1: 3-4 • The width of the Levee crown varies by use
Crown width: 5 m (driving), 3m (walking) • The crown is sloping to reduce gaps above the walls • Once built, the levees are cut with grass so that reduce soil erosion.