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How is oven-steamed fish made?
Ingredients: half a fresh mandarin fish; if many people are eating, use a whole one. Shredded scallions (two scallions), shredded ginger, light soy sauce, spicy soy sauce, cooking wine, salt, sugar. Method: Preheat the oven to 425F. Wash the fish, smear a layer of vegetable oil on both sides, then place it in a fish dish of suitable size, cover with aluminum foil, seal the edges well, put it in the oven and bake for 20 minutes, then take it out. Remove the aluminum foil and spread the shredded scallions over the baked fish. In another pan (medium heat), add vegetable oil and shredded ginger, fry until fragrant, add cooking wine, light soy sauce, spicy soy sauce, salt, a little white sugar and an appropriate amount of water, bring to a boil, and pour over the shredded scallions
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High-yield method for fish-lotus polyculture in grid ponds
The grid pond fish-lotus polyculture technique involves partitioning a hardened lotus pond into small grids of 2 sq m to 4 sq m using roof tiles, hard boards, etc., and planting lotus within the grids. The average yield per mu of water surface is 0.5 wan kg of lotus root and 400 kg to 450 kg of fish, with a net benefit of over 10,000 yuan per mu. This technique can utilize waste pits, wasteland, river beach land, and scattered marginal land to build grid ponds for fish-lotus polyculture. It features small investment, low cost, quick results, and high efficiency, making it suitable for vigorous development by thousands of rural households. It can both increase economic income
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How to treat bulging eyes in fish? Detailed treatment methods
(Exophthalmus) Signs of infection One or both eyeballs of the fish bulge out abnormally. (Note: some fish, especially ornamental goldfish, have protruding eyeballs by nature.) Affected fish Pop-eye disease can affect many pond and aquarium fish. Detailed description of the infection The development and contagiousness of the disease depend greatly on the cause, and the cause is often very difficult to determine. The swollen eyeball can be caused by many factors, including fish tuberculosis, white spot disease, dropsy, worm cataract (caused by various fluke larvae, such as Diplostomum) and bacterial infection.
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Common Problems in Fish Ball Production and Sale and Their Solutions
I. The Significance of Fish Ball Production China ranks first in the world in total freshwater fish output and is also the world's largest freshwater fish farming country. China has uniquely advantageous resources for developing the deep-processing industry of surimi foods. In 2004, the national aquatic product output was 48.55 million tons, an increase of 3.2% over the same period in 2003. From January to November, freshwater product output was 16.69 million tons, up 5.9% year on year; marine capture product output was 12.87 million tons, up 2.1% year on year; and mariculture product output was 10.50 million
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What should be noted when cultivating fish fingerlings in summer? Good-quality fingerlings are the foundation of successful fish farming
Good-quality fingerlings are the foundation of successful fish farming: precautions for cultivating fish fingerlings in summer
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Correct Methods and Detailed Operating Steps for Medicating Fish Fry Baths
Medicating fish before stocking is simple and safe, with ideal results in preventing and treating fish diseases. Here are several good methods for medicating fish fry baths. 1. Potassium permanganate bath method: Bathe in a 10-20 mg/kg potassium permanganate aqueous solution for 10-30 minutes, which can kill bacteria, protozoa, monogeneans, etc. on the body surface and gills. Potassium permanganate should be prepared and used fresh; the water used for the solution should be clean water containing relatively little organic matter, and the bath should be carried out away from light. 2. Bleaching powder bath method: 10-20
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Detailed Explanation of Liquid Fish Protein Feed Processing Methods
Liquid fish protein feed is made from waste or low-value fish from aquatic product processing. After being minced or ground, a certain amount of acid or microorganisms is added for fermentation, and the fish's own enzymes produce autolysis, liquefying it into a slurry product. Because this protein feed has good storage stability, some also call it acid-preserved feed. Lactic acid bacteria fermentation method (molasses fermentation): Natural lactic acid bacteria fermentation: mince raw fish with no pollution source or disease, add molasses or sugarcane sugar-processing byproducts at a ratio of 15% of its weight,
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How to identify high-quality fish fry? Selection tips every farmer must know
"Good seed is half the profit, good seedlings are half the grain." Robust, high-quality fish fry are not only an important factor in improving the survival rate of fry, but also an important foundation and guarantee for increasing fish yield and boosting economic returns. High-quality fish fry should have: appropriate and uniform size, robustness without injury, lively movement, and strong feeding competitiveness. Specifically, identifying high-quality fish fry can be summarized as "three looks and one sampling." First look: the size of the fry. The harvested size of the same fish species from the same pond should be neat and uniform, with little difference in body length and weight. In contrast, inferior fry with large individual differences and unevenness, due to reasons such as food competition, mixed germplasm, and poor feeding, often have a very low overall survival rate. Second look: the body color of the fry. High-quality fry have bright and glossy body color. Different species and different feeding methods produce fry with different body colors. Generally speaking, high-quality silver carp fry should have a silver-gray back and silvery-white sides and belly; high-quality grass carp fry have a light golden-yellow body color, with gray-black net-like scales relatively obvious, and the more robust the fish, the more prominent the light golden-yellow; high-quality bighead carp fry mostly have a light golden-yellow body color, with black markings all over the body not very obvious. If the body color of the fry is darker, or even blackish, it indicates that the fry are weak or diseased. The gloss on the body surface of the fry is caused by the mucus layer covering the body surface, which is rich in proteases, lysozymes, etc., and has the function of protecting the scales and skin of the fry from invasion by diseases and pests; fish or weak fry lack a mucus layer, so the body surface has no gloss. Of course, when fry are attacked by external diseases and pests, they will also secrete a large amount of mucus and lose their gloss. For example, when fish are attacked by Ichthyophthirius multifiliis, the body surface will be covered with a thick layer of mucus, which is a stress response made by the fry to external invasion. Third look: the activity of the fry. High-quality fry are lively in movement, strongly gregarious, quickly gather in groups and dive to the bottom when startled, have strong feeding competitiveness and strong upstream swimming ability. When crowded, the fry heads point downward, and only the tails can be seen constantly fanning; while weak or diseased fry with poor constitution move slowly, do not form groups, swim alone, have weak feeding competitiveness, and poor upstream swimming ability. One sampling: randomly sample fry to check their quality. High-quality fry jump violently when out of water, are plump, with small heads and thick backs, glossy body color, moist muscles, intact scales and fin rays, gill covers not open, tails not bent, no parasites or wounds on the body surface, and normal body shape without deformities. In contrast, weak or diseased fry jump weakly, have incomplete scales and fin rays, congestion, emaciated bodies, large heads and small tails, backs as thin as a knife edge, and even those with "no belly" or that "stick to the net" are considered inferior fry.
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What is the one-year-old fish fingerling rearing model in the Guangdong-Guangxi region?
The method of rearing one-year-old fish fingerlings in the Guangdong-Guangxi region differs from that in Jiangsu and Zhejiang. Rather than starting with polyculture of multiple species, monoculture is carried out in the early stage, and after the fish grow to 5-6 cm, polyculture is then carried out according to a ratio. The advantages of this method of rearing one-year-old fish fingerlings in Guangdong and Guangxi are: (1) The survival rate of fish in early-stage monoculture is relatively high, generally 80%-90%. (2) When stocking in proportion in the later stage, "eliminating the inferior and selecting the superior" can be applied. Selecting fish with strong constitutions for polyculture can correspondingly increase the survival rate
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Home-style recipe and benefits of Snakehead Fish Soup with Rorippa indica
Basic ingredients: 100 g fresh Rorippa indica, 1 snakehead fish (about 150 g), 150 g lean pork, 3 candied dates. Method: 1. Remove the gills and scales from the snakehead fish, wash it clean, and fry it in an iron pan with a little cooking oil until golden brown. 2. Add a small amount of boiling water and put it into a pot together with the above ingredients, add an appropriate amount of clear water, simmer for 2 hours, season with salt, and it is ready to drink
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