Ponds in Qingtang ponds are cultivated after 2-3 months of fish species, water quality is aging, natural foods are reduced, and harmful substances such as hydrogen sulfide and pathogenic bacteria are increased. After the autumn, the species should be transferred to ponds that have been sterilized in clear ponds.
The fingerlings of different fingerlings are bred according to different specifications, so that the specifications of the fingerlings placed in the same pool are the same. Generally, more than 16 cm of fingerlings can be put into adult fish ponds, while small fingerlings need special pond cultivation.
It is an important part of increasing the survival rate of wintering fish species that large-sized fish species are bred in the rare autumn season. Should be based on the size of the water, water depth and other conditions, reasonable dilute, promote the growth of fingerlings. For ponds with a depth of 1.5 meters, put 4,000 to 6,000 tails of 7-8 cm fingerlings per mu. At the end of the year, the fish species can grow to 13-17 cm in length.
Feeding autumn fish species has a large food intake and grows rapidly, and must guarantee the supply of food. The food is dominated by herbivorous fish species, and the fish species pool should be mainly fed with green bait, and the appropriate feed should be properly fed. First throw the green bait, then cast the refined bait.
During the cultivation of patrol fish ponds, it is necessary to maintain a daily patrol pool, observe the fish’s feeding and living conditions, pay attention to changes in water quality, change new water frequently, and add new water once a week.
Two-wired Nurse Call System
ETR Two-Wired Nurse Call System is designed for providing the communication between patients in wards and medical personnel in nurses offices in case of any peculiar conditions in hospitals.,it has higher performance-cost ration and more simple installation than those products of the same variety.
Two-Wired Nurse Call System,Medical Nurse Call System,Calling System For Hospital,Nurse Call Station
Hunan Eter Medical Co., Ltd. , https://www.eter-tech.com