-
Detailed Explanation of Key Technical Points for Pollution-Free Sea Bass Farming
1. Farming waters: Farming waters generally require a water depth of 2 m-2.5 m. Half a month before releasing the fry, spread quicklime over the surrounding farming waters to disinfect them. 2. Stocking density and disinfection of fry and fingerlings: The stocking size is 0.5 g/fish-0.6 g/fish, and the stocking density is 100 fish/mu-120 fish/sq m. Before
-
Experience and Technical Key Points for Pond Farming of Bass
1. Pond clearing and water cultivation. For ponds used to farm bass, it is best if conditions allow to dry the pond, remove silt and expose it to sunlight, especially for old ponds that have been farmed for many years. Disinfect once half a month before releasing fry, applying 50 kg of quicklime per mu or using 20 PPM bleaching powder with an appropriate amount of pond water for disinfection.
-
Sharing Experience in Pond Farming of Largemouth Bass
California bass, also known as largemouth bass, has the characteristics of relatively fast growth, strong adaptability, few diseases, easy to catch, tender meat, delicious taste, and no intramuscular bones. Its farming techniques are as follows. 1. Pond conditions. California bass is good at inhabiting a quiet
-
Sharing Practical Experience in Sea Bass Farming in Shrimp Ponds
In recent years, sea bass has become an important farmed species in northern China, especially when farmed in shrimp ponds, as it takes little time and yields quick results; this technique is worth promoting on a large scale. The farming experience is described below: Prepare the farming pond. The pond should preferably be 1.3 to 2 hectares in size, with a water depth of about 2 m. The pond bottom may be mud or sand. It is best to dig a deep drainage ditch in the middle of the pond, and make sure there is no pollution around the farming pond. During the winter slack season, use a bulldozer to scrape off the blackened layer of silt on the surface of the shrimp pond, let the pond bottom be fully exposed to sunlight, and then apply 50 kg to 60 kg of quicklime per 1/15 hectare to clear the pond.
-
Detailed Explanation of Key Technical Points for Bighead Carp Cage Culture
Cage fish farming technology is a three-dimensional aquaculture technique that makes full use of reservoir resources. It has the advantages of low farming cost and high benefits, and is deeply favored by the vast number of fish farmers. Among them, the technique of using cages to culture bighead carp is one of the most profitable among many farming projects.
-
Seedling rearing and stocking techniques for eel farming
Eel seedling rearing is the production process of growing glass eels into eel fingerlings of more than 10 grams. This stage requires rearing through three different types of ponds: primary ponds, secondary ponds and tertiary ponds. Eel fingerlings are the foundation of adult eel farming; the quantity and quality of eel fingerlings directly affect
-
What are the methods for collecting eel fry in eel farming?
Because artificial hatching of eel fry has still not been achieved to date, eel fry are mainly obtained by natural collection. From late December each year to March of the following year is the eel fry flood season, and fishermen in Zhongshan and other places set nets in the Pearl River Estuary to collect them day and night during the rising and falling tides.
-
In winter eel farming, pay attention to the prevention and treatment of enteritis disease
In winter, water temperature drops, changes in beneficial bacteria in the water, and changes in dissolved oxygen in the water body adversely affect the survival of eels, thereby causing a decline in eel constitution and immune function, and ultimately triggering enteritis disease, so attention must be paid to prevention and treatment. In winter, the temperature difference between day and night is large. Some
-
Five Essential Facts About Feed for Eel Farming
I. Main binder --- starch: Binders were the earliest additives used in eel feed. In Japan in the 1950s, when raw fish was used as bait to farm yellowtail, antibiotics, wheat gluten and -starch were added. Thanks to the use of binders such as -starch, not only was
-
Prevention and Treatment Methods for Enteritis in Eel Farming
I. Bacterial Enteritis 1. External symptoms: After onset, appetite drops significantly, and in severe cases the eel stops eating entirely. Sick eels have poor vitality, and some swim alone away from the group; feces can be seen floating on the water surface of the pond. The eel's abdomen is slightly swollen, the anus protrudes and turns red, and yellow pus-like matter discharges from the anus,
条件筛选