the fish fry in the pond? Before putting the fish fry in the pond, it is necessary to clean the pond and disinfect it. Because there may be harmful bacteria and other organisms that are harmful to fish fry in the pond, they are eliminated by cleaning the pond. There are many medicines for clearing the pond, such as quicklime, bleaching powder, etc. Choose the appropriate amount, such as 85-110 grams of quicklime per square meter, and 6-10 centimeters of water in the pond. If the water is deep, the amount used should also be increased.
fish fry 1, feed food: to feed fish fry can not choose adult fish feed, this feed is too big, fish can not eat, must use water, if not, you can also choose cooked egg yolk. The advantage of migrating water is that it will not spoil the water, and it is nutritious. The amount of cooked egg yolk must be controlled and eaten within an hour.
2. Dehydration and water change: Fish fry also need to change water, but it is different from the ordinary way of water change, so it needs to use the method of dehydration and water change. That is to say, the fry and the old water are poured into the new water together. The first dehydration needs to be carried out 10 days after hatching, and then every half month.
3. Fish selection and pond division: As the fry grows up slowly, it is also necessary to retain good species and divide the ponds. After hatching for 10 days, fish should be selected for the first time to eliminate young fish such as single tail and deformed tail, fish without three or four tails should be selected for the second time, and then several times should be selected.
