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What varieties of freshwater angelfish are there? A detailed guide to common species classification
1. Common Angelfish Scientific name: pterophyllum scalare English name: Angelfish Native to the waters from the central Amazon River to the Peru and Ecuador region, it is the original species from which today's general artificially improved angelfish breeds are derived. In its scientific name, pterophyllum means "as soft and light as a feather," while scalare describes its body stripes as being like a ladder. Apart from breeding, there are no obvious external sexual characteristics; the male's external genital organ is pointed, while the female's is
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Detailed guide to freshwater shrimp farming: easily raise plump, delicious shrimp
The secrets of delicious freshwater shrimp farming revealed
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Detailed Explanation of Key Points of Mushroom Storage and Fresh-Keeping Technology
I. Storage Characteristics and Varieties Mushrooms are rich in amino acids and protein and have a delicious flavor. However, after harvest, mushrooms have vigorous respiration and quickly open their caps, turn brown, develop off-flavors, and deteriorate in quality at room temperature, so they can only be stored short-term. Dried mushrooms are easy to preserve, but their nutritional value declines, and serious losses can occur if processing is not carried out in time. Therefore, measures must be taken after harvest during storage, transport, and sales and before processing to prevent a decline in mushroom quality. There are many cultivated varieties of mushrooms, and common ones include oyster mushroom, shiitake, button mushroom, enoki mushroom, and Phoenix mushroom. II. Harvesting 1. Suitable
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How to keep pears fresh for storage? Master these methods to store them longer
(1) Raised-bed pit storage method. This is a main storage method used in the Huangxian Changba pear producing area. Before harvesting the pears, choose between-row spaces in the orchard with good ventilation, cool and dry conditions, and a low water table. Build raised beds running north-south, with a bed width of 1.5 m to 2 m; the bed length depends on the storage quantity. The bed surface should be about 10 cm above the ground, slightly higher in the center and slightly lower on both sides, with ridges about 15 cm high built up around the perimeter. Spread a layer of fine sand 5 cm to 10 cm thick on the bed surface. At the four corners of the bed ridges and along the two long sides, drive a wooden post every 750 mm, with a post height of 750
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Detailed Explanation of Key Techniques for Jujube Storage and Fresh-keeping
Jujube is one of the fruits unique to China. It is rich in nutrients, containing relatively large amounts of sugar, protein, fat, iron, calcium, phosphorus and other substances. At the same time, its content of vitamin C and cyclic adenosine monophosphate (CAMP) is also very high. In clinical medicine, it has preventive and therapeutic effects on the human body in terms of antioxidation and increasing myocardial nutrition, and is therefore favored by consumers. However, jujube fruit is a fruit that does not store well. At room temperature, it loses its original quality in about 20 days, and at low temperature it can only be stored for 40-60 days. Therefore, the storage and fresh-keeping technology for jujube fruit
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Processing Methods and Technical Key Points for Fresh Peach Nectar
Pulpy juice is also called puree-style juice, with the commercial name "nectar". Fresh peach nectar is one of the most popular juice drinks on the market today. Its process flow is: 1. Raw material selection: Select fully ripe, fresh peaches with good flavor, abundant juice and free from pests and diseases. Peaches that are not fully ripe need to undergo after-ripening. 2. Raw material pretreatment. 1) Cleaning. After the raw materials are selected, wash and scrub them with clean water to remove the fuzz. After cleaning, rinse them in a 1% hydrochloric acid solution or detergent solution to remove pesticide residues, then rinse again in clean water and drain.
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Home-style recipe for steamed egg with fish slices, tender, smooth, fresh and fragrant, easy to learn
Cooking category: Steamed dishes. Cuisine: Zhejiang cuisine. Ingredient category: Fish. Flavor: Salty and fresh. Suitable season: Spring. Color, aroma and taste: The fish in this dish is fresh and tender, soft and smooth, and pleasant to the palate. Main ingredients: 200 grams fresh sea bass, 200 grams eggs. Auxiliary ingredients: 3 teaspoons chopped scallion and 3 teaspoons refined salt, 1 teaspoon pepper and 1 teaspoon MSG, 0.5 tablespoon soy sauce, 0.5 tablespoon cooked lard, 0.5 tablespoon vegetable oil, 1) 5 cups secondary stock. Preparation: 1) Take the dressed sea bass flesh and cut it into thin slices, put it into a bowl, add an appropriate amount of refined salt and vegetable oil
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What are the key points for production management during the overwintering stage of freshwater aquaculture
Key points for production management during the overwintering stage of freshwater aquaculture
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How to keep button mushrooms fresh? These three methods are very practical
In order to extend the storage period of mushrooms, maintain their quality, color and flavor, and improve the cultivation benefits of mushrooms, the preservation techniques for mushrooms are introduced below. Mushroom growers can choose and apply them according to their own actual conditions. 1. Low-temperature preservation method. Practice has proved that low temperature can keep mushrooms fresh and of good quality. The method is: after mushrooms are harvested, their humidity is 90-95%; at this time, storing the mushrooms at 0-3°C can achieve the purpose of preservation. It is worth noting that during the preservation period, the temperature of the mushrooms should be kept
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How to Store and Keep Mushrooms Fresh? A Detailed Guide to Practical Preservation Methods
Mushrooms are best eaten fresh, but since they do not keep well under natural conditions, especially when mushrooms are cultivated on a large scale, storage and preservation can be used to delay @#@136@#@ or to make canned products and other goods for export earnings. Here are several storage and preservation techniques for mushrooms. 1. Cold storage preservation. After the harvested fresh mushrooms are sorted, place them in containers such as baskets, trays or hampers and cover them with multiple layers of damp gauze or burlap. In a cool, shaded place, set out a vat with a small amount of clean water inside, place a wooden rack above the water, set the baskets or hampers containing the fresh mushrooms on the rack, and then seal the mouth of the vat with plastic film. 2.
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