How to prevent fish diseases (Pond preparation)

• Pond preparation for the purpose of:

- Make the pond clean, free of germs and toxins, with good water quality.

- Make the pond rich in natural feed for fish

- Good pond management is important in preventing disease and improving fish production.

• Proper pond preparation according to technical principles has the following benefits:

- Reduce fish diseases, eliminate toxins, viruses, and disease-causing agents in the pond, and also reduce diseases in the fish in the pond.

- Prepare a pond that is depleted of feed to rich in natural feed, and after draining the water, apply lime, dry the pond, and add fertilizer to the pond that is depleted of feed to become rich in natural food.

- Can increase the density of fish stocked and after preparing the pond with good quality can increase the density of fish stocked more than in an unprepared pond.

• Fish pond management and maintenance

- During the feeding period, the management of fish ponds has an impact and relationship to the occurrence of fish diseases. If managed well, the fish will be free from disease and grow well.

- In all aspects of fish pond maintenance, the following points must be taken into account:

 Pond monitoring: Walk and inspect the pond every day, three times a day: early in the morning, at 2-3 pm, or in the evening.

 During the inspection, check the condition of the feeding fish, the gulped of the fish, and check the water temperature, dissolved oxygen in the water, and the water pH.

 Fish that gulped in the morning and sink quickly are at a low oxygen level. If the fish gulping at night, the level 0xygen is severe.

• Preventing germs from entering the pond and causing disease to fish

- Sanitize the pond, the water source, and the feed and equipment used to prevent germs from entering the fish pond.

- You must choose a good, healthy fingerling that is free of disease and has no associated viruses.