Discuss post-harvest process for pond.
Remove silt, expose pond bottom till soil crack, smoothen the pond, check inlet and outlet, check for pond wall, replanting grass, repair holes
Give FIVE (5) steps of pre-stocking preparation for POND.
Clean and dry the pond bottom, Liming, fertilization, fill with water, stocking
Give THREE (3) reasons to control unwanted species in fish pond.
Compete for space, food, oxygen; predator, disease outbreak, reduce production
What is acclimatization?
Individual adapt to changes of the environment condition.
Name TWO (2) natural toxins to remove unwanted species in fish pond
Debris root, tea seed cake, rotenone, saponin, tobacco dust
What is fertilization?
Process of adding nutrients to a pond to promote the growth of phytoplankton and zooplankton as food based for fish.
Give TWO (2) examples of fertilizer commonly used in pond.
•Super phosphate • Triple super phosphate • Urea •Agriculture/animal wastes
Give THREE (3) criteria for a good fingerlings
Source, physical appearance, how they swim
What is the recommended size for fingerlings? Give TWO (2) reason.
3 inch. Avoid predation, overcome minor stressful condition, able to swim for feed.
Name THREE (3) unwanted species for a fish pond.
Insect, weed fish, frog, reptiles, birds, mammals
Give THREE (3) factors for successful stocking.
Quality of fingerlings, how they are stocked, when they are stocked
Give TWO (2) liming materials
• Calcium carbonate / Agriculture lime • Calcium oxide / Quicklime / Burnt lime • Calcium hydroxide / Hydrated lime / Slaked lime
What is the difference between semi-intensive and intensive system?
Feed, aeration, water exchange
When is the best time to stock fingerling?
Low temperature, morning, late in evening
Give TWO (2) major problem for cage system.
Biofouling, poaching
What is N, P and K for fertilizer?
Nitrogen (N), Phosphorus (P), and Potassium (K)