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Tips for Selecting Juvenile Koi and Daily Breeding Management Methods
Daily management is very important when breeding koi. Since koi live in water, among the daily management tasks, water management ranks first. The quality of the water directly affects the normal growth of koi. When the water is fresh and clear with sufficient oxygen, the fish live healthily...
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Which koi varieties are considered to have spirituality? Introduction to artificial breeding methods
Artificial breeding of koi 1. Artificial natural breeding of koi Select parent fish of the same variety with excellent quality and good bloodline, and place them in an independent clean water pond or net cage at a male-to-female ratio of 1 : (2~3) to let them spawn naturally. 2. Artificial dry-method insemination of koi Select parent fish of the same variety with excellent quality and good bloodline...
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Koi selection and water cultivation methods, taught to you in three minutes
Is the water you use to raise koi at home the right kind? (1) Surface water: rich in dissolved oxygen, and the koi raised in it have relatively vivid colors. But it contains more impurities, is turbid, and the water quality very easily deteriorates, so it must undergo biochemical filtration treatment before use. (2) Groundwater: in the water...
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Causes and Prevention Methods of Spring Viremia in Koi Farming
Spring viremia of koi is mainly caused by koi rhabdovirus, and is a common disease in koi keeping. It only becomes prevalent in spring when the climate gradually warms (water temperature 13 to 20°C). Symptoms: It mainly affects koi over one year old; fry and broodstock are rarely infected....
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Treatment methods for skin diseases such as vertical scale disease in koi
Vertical scale disease, also known as pine scale disease or scale erection disease. It is a disease mainly prevalent in still-water fish ponds, primarily affecting koi and other cyprinid fish. After onset, it can cause mass mortality of diseased fish. Image of Hane-shiro koi (female fish 61 cm) Symptom identification: The body surface of diseased koi is rough...
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Koi Mixed-Stocking Pairing Tips and Methods for Selecting Toshi Koi
1. Male koi have better body shape than female koi: Although in the adult stage, female koi are more robust and aesthetically pleasing. However, at the toshi (first-year) stage, it is actually male fish that have a higher probability of being thick-bodied! Female fish only start sprinting again after reaching one year of age and entering their second or third year. Male...
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Which Koi varieties have good colors? Detailed guide to selection and culling methods
The culling of koi is mainly about eliminating poor fish and selecting good koi with ornamental value. So how do you cull to select top-grade koi with ornamental value? Culling koi is essentially about looking at the koi's body shape and red markings, and...
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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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Is Koi Scratching Against the Tank a Sign of Saprolegniasis? A Detailed Guide to Koi Keeping Methods
Is koi scratching against the tank a sign of saprolegniasis? First, let us understand the symptoms of saprolegniasis. Water mold is widely found in freshwater or brackish water bodies and moist soil around the world. It lives as a saprophyte on dead organic matter and is a commonly present mold, mainly including the order Saprolegniales...
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How do you raise koi so they get plump? Treatment methods for localized scale protrusion
What are the methods for treating localized scale protrusion in koi? The biggest characteristic of scale protrusion in koi is that some or all of the scales on the koi's body surface take on a pinecone-like appearance, and the body surface of the diseased fish is also relatively rough. The base of these scales is edematous, and this is also accompanied by half...
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