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What are the "Big Three" and the "Big Four" Japanese koi varieties? WWD Fish Notes
After koi were made a viral sensation on Taobao last year, koi, after lying quiet for many years, have slowly returned to the public eye. What we call koi generally refers to Japanese koi with distinct characteristics, also known as KOI, while varieties with color that is not vivid are called "local cannons." In other words,
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Koi Fish Disease Symptoms and a Detailed Guide to Treating White Spot Disease
Koi white spot disease symptoms are caused by a relatively large protozoan ciliate visible to the naked eye -- Ichthyophthirius multifiliis. It parasitizes the skin, fin rays and gill tissue of koi, feeding on the epithelial cells of the koi. In severe cases, the whole body skin and fin rays...
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What are the common diseases of koi? Detailed treatment methods for fish lice disease
Symptoms of fish lice disease. Fish lice parasitize the body surface and gills of koi, using their mandibles to tear the epidermis and suck the fish's blood, causing many wounds, which facilitates the invasion of other pathogens and triggers other fish diseases; at the same time, when fish lice pierce the fish body, they introduce the toxins they secrete into the fish...
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How to Keep Koi Fish? Common Breeding Mistakes and a Complete Guide to the Causes and Prevention of Tail Rot Disease
Koi Tail Rot Disease and Hole-in-the-Head Disease. The disease is contracted through skin infection after the tail fin is injured. Symptoms: In the early stage of the disease, there is a yellow or yellowish-white viscous substance on the outer edge of the fin and the caudal peduncle; then the tail fin and caudal peduncle become congested, inflamed and ulcerated. In severe cases, the tail fin rots away, and the ulcerated area...
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How do you keep koi fish so they don't die easily? Appreciation of the Lipstick Kohaku koi
The most memorable is the Kohaku; the beauty of the Kohaku lies in its red being clear and its white being crystalline. Its red is judged by elegance of style, so a bright, clean, and lucid red is considered top grade. Its white must be white as snow, giving a sense of purity. The reason its white is alluring is that it contrasts with stray colors such as yellow or black...
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What fish can koi be kept with? What you need to know for pond keeping
1. Courtyard breeding pond (1) Courtyard koi breeding generally uses a square, rectangular or circular concrete pond, and the breeding pond can be built on open ground in the courtyard or on the roof (2) It should be easy to drain and discharge waste, ventilated and sunny, with sufficient water source, convenient water supply and drainage, and away from...
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What fish are good to keep with koi? A guide to choosing an aquarium
1. Choosing an aquarium for keeping fish (1) In terms of material, aquariums made in China today generally use one of two main materials: glass and acrylic. The former is heavy and has poor impact resistance, but is inexpensive; the latter is relatively light, has good light transmission and impact resistance, but is expensive.
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What are the common diseases of koi fish? A detailed explanation of the spring outbreak of dropsy with erect scales
In spring, fish are prone to dropsy with erect scales. Because of stocking fry or relocating fish in spring, it is often a season with frequent fish diseases, and most are caused by physical damage to the fish body. Dropsy with erect scales, a common spring disease of koi fish. Dropsy with erect scales is also called scale-erection disease or pine-cone disease. Its symptoms...
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Common Koi Diseases and Spring Fish Disease Prevention Methods
What are the prevention methods for koi fish diseases in spring? If you want koi to stay disease-free, we must do a good job of maintaining the water quality for raising koi. Most common koi diseases are caused by water quality. Suitable water quality environment for koi breeding: the water temperature is best at 23-25°C, the pH of the water...
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How to keep koi fish, common bacterial diseases of koi in autumn - skin inflammation and congestion disease
Bacterial diseases: skin inflammation and congestion disease (1) Cause: Most of the affected fish are large older fish and koi over one year old. The epidemic season runs from late spring to early autumn and can cause massive fish deaths. It is most prevalent when the water temperature is 20-30°C, and below 20°C, a few cases still occur...
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