1, reason: Goldfish does not know hunger is full, be supported very easily dead. Especially now there are many inferior fish feed on the market, which contains more starch, goldfish eating this feed will lead to indigestion, long-term feeding, there will be death.
2, precautionary measure: Breeder can see the content of amylum when buying fish feed at ordinary times, also can cast feed a few food that digest easily more, for instance water flea, earthworm, shrimp of harvest year, yellow mealworm.
water quality 1. Reason: Poor water quality will lead to a decrease in dissolved oxygen in the water, and goldfish are likely to suffocate because of lack of oxygen.
2. Preventive measures: The breeder should change the water in time at ordinary times, preferably once a week. If conditions permit, the circulating filtration system can be opened regularly, and the oxygen can be added for 3-4 hours every day to ensure that the dissolved oxygen in the water is sufficient.
1, the reason: too much water or sudden changes in water temperature will stimulate the goldfish, so that they have a lot of uncomfortable reactions. If the water temperature and quality can not be stabilized in time, goldfish will easily die.
2. Preventive measures: Breeders can control the amount of water when changing water at ordinary times, and it is better not to change more than a quarter of the water each time. Usually, when the temperature difference between morning and evening is large, the heating rod can be opened to keep the temperature constant, so as to avoid the temperature difference in the fish tank exceeding 2 C.
