PROCESS OF BREEDING AND PROCESSING

– The pond located in the planning area of the province.

– Avoid industrial, agricultural and densely populated areas.

– Near the canals to facilitate water supply and drainage.

– Select pond location where the soil is less acid, not rusty water.

– The ponds have spill way dam and supply water

– Ponds can be dug large or small, but at least 500 m2

– The border’s ponds must steady, not landslide.

– Water depth from 2-4m depending on the quality of the earth.

– Each pond should have water supply and drainage.

– Ponds should not be built close to large trees, canopies can shade the water.

– The design of the pond has one or more feeding areas.

– The ponds must be high, wide and steady, with no holes.

– Drain out of water, slop, the ponds have to be emptied.

– Expose the bottom’s ponds from 2 – 3 day.

– Deep level water from 1.5 – 2 meters.

Water sources must meet the following requirements:

– pH: 7 – 8

– NH3 £ 1mg / l.

– Water temperature: T0 = 26 – 300C

– Dissolved oxygen content:> 2 mg / l.

– Examine the infection indicators according to 28TCN170: 2001 issued by the Ministry of Fisheries, combine with the assessment of fish health by sensory criteria:

• Appearance: proportional, strong, steady, no milling, bright color, uniform size
• Active status: swim fast, according to the herd.

Size of baby fish: length 10 – 20cm/ fingerling, weight 15 – 20 fingerlings /kg.

Density discharge: 20 – 40 fingerlings/m2.

– Food: Only use food from licensed establishments.

– Diet of feed about 5 -7 % weight of body fish

– Everyday fish is feed 2-4 times at morning and afternoon. The food should be well distributed.

– Feed: Feed for fish must be safe, full of nutrients, contain no antibiotics in the ban list of the Ministry of Fisheries.

– Feed the fish properly so that the fish is not hungry, manage the fish food closely so that the food is not excess.

– Water environment: 1 – 3 days change water pond once, each change from 20 to 30% of the water in the pond. Always keep pond water environment stable under 28TCN176: 2002.

– Monitoring and sampling of parasites at least once a month or when necessary.

– Strictly follow the process of disease prevention and treatment for fish ponds.

– Do not use chemicals or antibiotics in the Ministry of Fisheries prohibitory list.

– After 5-7 months, harvesting is carried out.

– Before the harvest, it is necessary to have the disease check on fish and antibiotics allowed to use not exceed the permitted level.

– Stop using antibiotics for 30 days before harvesting and do not use antibiotics in the ban list.

– Stop feeding fish for at least 2 days before harvesting.

– Live fish are transported by boat with a vent to the outside water environment.

– Process of transportation and preservation to ensure product quality.