The tilapia farming cycle is about five to six months. Tilapia fry are generally released after the beginning of spring, around mid-April, when the temperature gradually rises and the water temperature gradually stabilizes, reaching 15 degrees or above. When cultivating tilapia, attention should be paid to the water level changes in fish ponds. If the water level is too low, it will affect the growth of tilapia. Changes in temperature can affect the fertility of water quality. When the temperature is too high, fertilization can be reduced, or new water can be added to adjust the water quality to ensure that there is sufficient dissolved oxygen in the water. When the water temperature is too high, you can also use an aerator to increase oxygen.

Pay attention to the control and prevention of fish diseases, and disinfect ponds and fish stocks at regular intervals. Feed appropriately according to weather changes or the growth of the fish. During the breeding period, fish stocks that have reached market requirements should be removed from the pond and the density in the pond should be reduced, so that small fish stocks can grow faster.

Extended information:

1. Reproductive ability of tilapia

Tilapia matures early, has a short spawning cycle, and hatches larvae in the mouth, so the breeding conditions are The requirements are not high and they breed naturally in large areas of still water. Tilapia reaches sexual maturity in 6 months. Female fish weighing about 200 grams can carry about 1,000 to 1,500 eggs. During the breeding period, the male fish has a beautiful wedding smoke color and has two anus and urogenital pores on the abdomen. There is a mouth, and white semen will flow out when the abdomen is squeezed. The female fish has three holes in the abdomen, namely the anus, genital pore and urinary pore.

The water temperature is 18 to 32°C. Mature male fish have the ability to "dig nests". Mature female fish enter the nest to mate, produce mature eggs and immediately hold them in the mouth to fertilize the eggs. The fertilized eggs are placed in the female's nest. The fish develops in the mouth, and the young fish hatch in 4 to 5 days when the water temperature is 25 to 30 degrees Celsius. The young fish leave the mother when the yolk sac disappears and they have certain abilities.

2. Habits

Tilapia has a variety of food habits, is tolerant to low oxygen, intolerant to low and high temperatures, and thrives in reproduction:

Tilapia has a wide range of food habits , most of them are plant-based omnivores, very gluttonous, and eat a lot of food; they grow rapidly, especially in the juvenile stage. The growth of tilapia is closely related to temperature. The growth temperature is 16-38℃ and the optimum temperature is 22-35℃. It is a kind of euryhaline fish that can survive in both sea and fresh water. It is resistant to hypoxia and generally inhabits the lower layer of the water. However, it can inhabit the water layer as the water temperature changes or the size of the fish body changes.

Reference: Baidu Encyclopedia—Tilapia