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Differences Between Three Soft-Shelled Turtle Diseases and Their Prevention and Treatment Methods
In the process of soft-shelled turtle farming, some farmers cannot clearly distinguish white spot disease, white spot fungus disease and saprolegniasis, and blindly and indiscriminately use drugs when treating turtle diseases, thus affecting the effectiveness of disease prevention and treatment. Therefore, based on recent years of practice at soft-shelled turtle farms, the author summarizes the differences between the above diseases and comprehensive prevention and treatment methods as follows. I. Differences between white spot disease, white spot fungus disease and saprolegniasis in soft-shelled turtles 1. Different pathogens: the pathogen of white spot disease is Aeromonas hydrophila, Aeromonas sobria, etc.; the pathogen of white spot fungus disease is Mucor, which belongs to
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Three Major Disease Prevention and Treatment Methods for Pond Fish in Spring and Summer
1 Carp Hemorrhagic Disease 1.1 Symptoms and Causes The scales on the abdomen of the diseased fish, the fin rays and the caudal peduncle become congested and red. The diseased fish float up close to the ice layer or float on the water surface, gather in groups and swim slowly near the pond edge, and gradually die. ① Hemorrhagic septicemia. The diseased fish appear normal on the outside, or the area under the abdominal scales is congested and red. When the diseased fish is dissected, blood-tinged fluid emerges from the body cavity, and the internal organs have petechial hemorrhages. The disease is caused by Aeromonas hydrophila. ② Brown blood disease (hemorrhagic gill disease). The gill filaments of the diseased fish swell and become dark in color, and some gill filaments
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How to identify a sick rabbit? Three methods to help you tell
First, look: A sick rabbit is listless, emaciated, with bones showing, a ruffled and lusterless coat, and does not shed fur according to the molting season. A healthy domestic rabbit has a strong appetite and eats quickly; a sick rabbit has a poor appetite, eats slowly or refuses food. The droppings of a healthy domestic rabbit are pellet-shaped, oval, uniform in size, with a round, smooth surface. If dry, hard, small droppings appear, it indicates constipation, and more green, succulent feed should be given; if the droppings are tadpole-shaped or soft and loose, this indicates indigestion, and charcoal powder, yeast tablets, etc. should be added to the feed; if the droppings are piled up and
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Detailed Explanation of Indoor Three-Dimensional Cultivation Methods for Oyster Mushrooms in Winter
Place the plastic tubes filled with oyster mushroom spawn (cylindrical in shape) indoors or in a mushroom cellar. When the room temperature is 24°C-25°C, they can only be arranged in a single row and single layer for mycelial running. When the room temperature is around 20°C, they can be arranged in two or three rows in a single layer. When the room temperature is 10°C-15°C, they can be stacked to a height of 1 m-1.5 m, and every 10-15 days, the upper and lower positions should be swapped to make the temperature uniform in all parts and the mycelial running consistent. During this period, keep the room as dry as possible. When the indoor humidity reaches above 80%, it is best to adopt the two-level cultivation method of mycelial running above ground and fruiting underground. Maintain
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How to make processed garlic foods? Three methods explained in detail
Processing salted garlic cloves, pickled garlic in sauce, and garlic powder requires simple equipment, gives good returns, and has large market demand, making it very suitable for small enterprises and individual farmers. Select fully mature garlic heads that are uniform in size, dry, with white clove flesh, and free of pests and diseases, damage, insect damage, and mold. 1. Salted garlic cloves First soak the garlic cloves in clean water for 12 hours, remove the garlic stem, inner skin, and the transparent garlic membrane attached to the garlic clove (be careful not to damage the garlic flesh), rinse clean, and then blanch. The blanching liquid
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Three Practical Methods for Summer Management of Oyster Mushrooms
Oyster mushrooms sown in spring and those sown in late winter often produce 1~2 flushes before high temperatures stop them from fruiting further. To carry the oyster mushroom safely through the summer, preserve its nutrients, and have it continue fruiting in autumn, summer management can be carried out. Air-drying method for mycelial blocks (bags) This method is relatively simple and trouble-free: air-dry the mycelial blocks (bags) that have not fruited or have produced only 1~2 flushes (bags that have not fruited need not have their openings opened), and place them in a cool, ventilated spot. If placed outdoors, add a cover to protect them from rain and to prevent dampness and mold. After the temperature drops in September, soak the mycelial blocks (bags) in a water tank so that
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Three methods to increase soybean yield, simple and practical
Thinning: After soybean seedlings emerge, thinning early on the basis of a full stand is a proven yield-increasing measure. Its effect depends mainly on how early thinning is done; generally it should be carried out promptly when the two opposite unifoliate leaves have unfolded. Seedling pressing: When the first compound leaf of the soybean seedling has unfolded, choose a sunny noon and press the seedlings along the rows with a wooden roller drawn by animal power or machinery. When pressing, be careful to avoid cloudy days or sunny mornings, so as not to break the seedlings. Pinching: At the early flowering or full flowering stage of soybean, remove about 2 cm from the top of the main stem by hand.
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Three Methods to Keep Mushrooms from Aging: A Detailed Explanation
Soaking in clean water. Water can block out air, slowing down the discoloration of mushrooms and keeping them plump, but you must use water with a low iron content for soaking. Treatment with sodium metabisulfite. First rinse the mushrooms in a 100 ppm sodium metabisulfite solution for 3-5 minutes, then soak them in a 1000 ppm sodium metabisulfite aqueous solution for 30 minutes, take them out and drain them, and store them in plastic bags. At a temperature of 10-15°C, the mushrooms can stay white for a long time.
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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 apply the three fertilizers well for rice? Detailed explanation of the key points of fertilization methods
Excessive vegetative growth of seedlings causes ineffective tillers to proliferate rapidly, leading to delayed maturity with excessive greenness; some seedlings grow so densely shaded that they trigger diseases such as sheath blight or rice blast. In paddy fields where fertilizer damage occurs, it causes yield reduction in mild cases and forces the seedlings to be plowed up and replanted in severe cases. To give full play to the fertilization effect on rice, in addition to applying sufficient base fertilizer, the "three fertilizers" must be applied well as topdressing, namely tillering fertilizer, panicle fertilizer and grain fertilizer. Rice fertilization should be considered comprehensively and applied flexibly according to variety characteristics, soil fertility, climate factors and cultivation conditions. The fertilizer demand of rice is expressed in the nutritional stage, the critical nutritional period and the period of maximum nutritional efficiency.
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