Aquaculture Lists
-
Prevention and treatment of Infectious Fish Hemorrhage
(a) the pathogen grass carp hemorrhagic disease is caused by a virus, which is caused by reovirus. (2) the organs and tissues of symptomatic grass carp showed speckled or massive hyperemia, such as oral cavity, operculum, fin base, muscle, intestinal tract, liver, spleen, kidney and so on. Grass carp above 10 cm and 15 cm are mainly hyperemia in intestine, fin base, operculum and oral cavity, showing "red fin fine Gill cover type" or "intestinal type", but muscle hyperemia is mild or non-hyperemia. One year old
2019-01-16 -
How to prevent and cure common intestinal diseases in fish
Viral intestinal diseases, enteritis. Harm object: grass carp, herring. Symptoms: the diseased fish have black body color, red and swollen anus, hyperemia at the base of the fin adjustment, erythema in the abdomen, intestinal inflammation, red or purplish red. Control method: before stocking ① fish, soak it with 10ppm bleach. During the ② epidemic season, the whole pool was sprinkled with 1ppm bleach every half a month, or sulfonamide interdrug bait was given. ③ garlic treatment. Garlic is 250 grams per 250 kg of fish seed and mixed with bait for 3-6 days.
2019-01-16 -
What is salmon?
What is salmon? To answer this question, we must first understand the origin of the name salmon. According to textual research, Chinese salmon was first proposed by Hong Kong and Taiwan, which is the transliteration of the English name salmon, because the English pronunciation of salmon is similar to that of salmon, and the standard Chinese translation of salmon should be salmon or salmon. Salmon is not a taxonomic name for fish, but a trade name for certain salmonids or trout. To be a salmon, his muscles must be firm and elastic.
2019-01-16 -
Prevention of fulminant hemorrhagic disease of fish
The main measures to prevent fulminant hemorrhagic disease of fish are as follows: 1. Enhance the awareness of prevention. The disease has the advantages of acute onset, rapid infection, long epidemic season, high mortality and great loss. Once the disease is difficult to control, the disease is easy to repeat. two。 The seedlings must be sterilized with 1%-2% salt water before entering the pond, and the bathing time depends on the physique and temperature of the fish. When conditions permit, the fish can be soaked with fulminant hemorrhagic disease vaccine. 3. Change water and increase oxygen at the right time. Keep the water quality fresh and change it frequently
2019-01-16 -
Discrimination of female and male in brocade carp
After brocade carp grows to adult fish, there is a difference between male and female, and we can distinguish them from head, body shape, abdomen, pectoral fin, anus, spawning movements and so on. 1. The head of the female fish is slightly narrower and longer; the head of the male fish is wide and short, and the forehead is slightly raised. two。 The body of the female fish is short, thick and plump, and the abdomen is enlarged, the closer it is to labor, the more obvious the abdominal swelling is; the male fish is longer and thinner. 3. The tip of the pectoral fin of the female is round and larger; the male.
2019-01-16 -
The autumn fish must put on four passes to gain weight.
A fishing proverb says: shell in summer and weight in autumn. Cool autumn season, is the peak season for fish growth, we must do a good job in the following four hurdles: first, good baiting and fertilization. Generally speaking, the amount of fertilization and feeding from September to November should account for about 30% of the total amount of fertilization and feeding in the whole year. When applying organic fertilizer, it should be a small amount for many times, so as to avoid the floating head of pond fish caused by excessive fertilization; when applying inorganic fertilizer, carbon ammonia 5 kg 7.5 kg per mu or urea 2.5 kg 3.5 kg per mu can be used. After "White Dew", grass resources
2019-01-16 -
Principles and methods of medication for prevention of eel disease-hanging bag method
Also known as hanging basket method. It is to hang medicine bags or baskets around the food field (Taiwan) to form a medicine area, and when Monopterus Albus ingestion enters this area, it can kill the pathogens on the body surface. This method has the advantages of less drug dosage, simple method, no danger and little side effect. But there are also some shortcomings such as not killing pathogens completely. It is generally used to prevent diseases.
2019-01-16 -
Dried braised sea fish head
Materials: half head of sea fish (salmon and other sea fish), 75g meat stuffing, 1 garlic, half tablespoon minced ginger and garlic. Seasoning: 1 tablespoon cooking wine, 2 tablespoons soy sauce, 1 tablespoon spicy beans, 1 tablespoon sugar, half tablespoon vinegar, a little pepper, 2 cups water, half tablespoon water starch. Practice: 1. Wash the head of sea fish, cut it in half, dry, fry with 5 tablespoons oil on both sides and serve. 2. Stir-fry minced ginger, garlic and minced meat with 2 tablespoons oil, then add all the ingredients.
2019-01-16 -
Water turtle
[scientific name] Hydrocharisdubia is distributed in Europe, Asia and Oceania. The light is sufficient, the water quality is not restricted, and the suitable temperature for growth is 18mur20C, so it is easy to cultivate. Stolon transverse, plant height 8~12cm, leaves subbasal, orbicular or reniform, entire, central part swollen into air chamber. Flowers unisexual, fruit ovoid. Winter buds are used for reproduction, and they can also be sown or ramets. Can be cultivated and ornamental in water supply cluster boxes.
2019-01-16 -
Copper green beautiful golden turtle
AnomalaCorpulentaMotschulsky belongs to Coleoptera, Scarabidae. It happens everywhere. Damage to cross flowers, Solanaceae and melons, legumes and other crops. [field identification] the roots and stems of the seedlings were damaged by the larvae, resulting in the lack of seedlings and broken strips, which often occurred mixed with the larvae of the northeast black beetle. Adults like to eat the leaves of fruit trees, trees and other crops. The adult is about 20 mm long. The head, forechest dorsal plate, scutellum and sheath are copper green with golden luster.
2019-01-16 -
Skillful management of adult fish in autumn
It is suitable to adjust the water temperature in autumn, which is the peak season for fish growth. The metabolism of pond fish is strong and there is a lot of excreta. Attention should be paid to strengthening water quality management and improving the ecological environment. First of all, it is necessary to maintain a deeper pool water in order to expand the fish carrying capacity of the water body, reduce the impact of the drop in water temperature after autumn, and prolong the feeding time. Second, it is necessary to inject new water frequently. Generally add water three or four times a month, each time the amount of water is 15 cm ~ 25 cm deep. Third, sprinkle quicklime in time. Once every semimonthly, 15kg ~ 20kg quicklime is used for every 667 square meters of water.
2019-01-16 -
Technical measures to improve the hatching rate of turtle eggs
As we all know, turtles have strong vitality, few epidemic diseases, and are easy to raise and manage, but this is for adult turtles. In the whole process of raising turtles, it is not possible to be careless in some links and details. The hatching of turtle eggs is a highly technical link, and if not, it will fail. 1. Scientific cultivation of parent turtles and selection of improved varieties is the first condition to improve the hatching rate of turtle eggs. Parent turtles should be enlarged, strong, without disability and suitable for age. Female turtles are required to be over 6 years old, with wrinkled and slightly hard leathery skin on the back edge, while males are required to be 3 to 4 years old with a stocking density of 7 animals per square meter.
2019-01-16 -
How does the retting fish intestines water match the tap water to water the flowers?
Topdressing should be treated according to the principle of "applying thin fertilizer frequently, depending on growth and fixed amount". Human feces and urine should be diluted 20-30 times, bean cake water, urine water and fish intestine water should be diluted 10-20 times. For more questions, you are advised to contact Hu Yimin of seedling and flower cultivation directly at 0551-5326013. The harvest will be greater in this way.
2019-01-16 -
Shad with net oil
[characteristics] Fish fat, tender and delicate, dipped in minced ginger and vinegar, delicious [raw material] 350 grams of shad middle noodles, 150 grams of pig net oil, 10 grams of sugar lard oil, 25 grams of cooked lard, 1 piece of green onion, 25 grams of balsamic vinegar, 1 slice of ginger, 5 grams of tender ginger, 25 grams of Shao wine, 20 grams of ham, 10 grams of refined salt, 1 mushroom, 25 grams of sugar, 25 grams of winter bamboo shoots, 15 grams of wine [production process] 1. Shad open, remove internal organs and gills Keep the fish scales and rinse with clean water.
2019-01-16 -
Preparation of commonly used disinfectant solution for fish
Washing and disinfecting fish with liquid medicine is an indispensable work for the release of fish fry and an effective measure to prevent fish diseases. This paper introduces the preparation and application of several common washing disinfectants. 1. The bleach solution is prepared with 100 kg of water and 1 g of bleach, that is, a bleach solution with a concentration of 10 mg / kg. When the water temperature is 10 ~ 15 ℃, washing the fish for 15 ~ 30 minutes can kill all kinds of pathogenic bacteria on the fish and prevent bacterial red skin disease and rot.
2019-01-16 -
Management of Pelteobagrus fulvidraco in pollution-free lotus pond
There are many benthos, aquatic insects, plankton, weeds in the lotus root pond, etc., which can provide bait for fish, while fish feces and residual bait can provide fertilizer for lotus root. Fish activities loosen soil and provide good soil conditions for lotus root growth. Due to the shade of lotus leaves, the light intensity in lotus pond environment is weak, which is suitable for feeding and growth of Pelteobagrus fulvidraco in weak light. Pond construction. Choose a pond with abundant water, good water quality, fertile soil, flat terrain, convenient water intake and drainage, strong water and fertilizer conservation,
2019-01-16 -
Cleaning and disinfection of soft-shelled turtle pond
After 8-10 months of greenhouse culture, the indoor soft-shelled turtle pond has enriched a variety of pathogenic and residual bait, feces and other organic residues, so it is very important to clean up and disinfect the turtle pond. The sand in the pool had better be replaced, and the unchangeable or non-sand pool should be washed and disinfected repeatedly. Release water 10cm about 10 days before use, sprinkle it with quicklime, strong chlorine essence or chlorine dioxide in the whole pool to kill bacteria. The old greenhouse farmed for many years had better carry out space disinfection to prevent the pathogen from spreading in space. Specific use of solid formaldehyde (40.5 g / m3), put it
2019-01-16 -
Basic function of turtle medicine
There are many functions and effects of turtle drugs, but in summary, they are mainly the following three aspects: 1. Inhibit or kill pathogens. At present, most of the drugs used in turtles have the effect of killing and inhibiting pathogens, such as antibacterial drugs such as sulfonamides. Antifungal drugs such as salt, formalin, Chinese herbal medicine gallnut, calamus, etc. Antiparasitic drugs such as copper sulfate, ammonia, potassium permanganate, etc. These drugs are used indirectly.
2019-01-16 -
Cooking Tai Chi Shrimp
Cuisine features: beautiful shape, fresh and tender. Description of ingredients: 300 grams of shrimp meat, 75 grams of white meat, 75 grams of horseshoe meat, 2 eggs, monosodium glutamate, refined salt, ham powder, starch water. Production method: l, remove shrimp intestines and wash, hammer into shrimp glue, white meat and horseshoes are chopped into fine mud, add monosodium glutamate, refined salt and egg white in a bowl and mix well for use. 2. Make the shrimp glue into a shrimp shape and put it on a human plate. Put the two pieces together and wipe them flat into a circle, one of which is on the flesh of the shrimp.
2019-01-16 -
Disease control of soft-shelled turtle-hemorrhagic disease
Cause: it is not clear at present. Symptoms: the body of the diseased turtle is black, the mouth is red, some of the floor is red, some are not red, the action is slow, do not eat, serious mouth and nose have blood exudation. Anatomy shows that the viscera and muscles are all congested, the pharynx, neck and intestines are blood red, and the liver is red, sometimes accompanied by blood spots. Bold, spleen and kidney are red and black, lungs are black. Prevention and treatment: there is no effective treatment, we can only strengthen prevention. 1) thoroughly disinfect the culture pond before disinfection, "fish bacteria clear" 7 jin / mu; 2) before the turtle enters the pond
2019-01-16