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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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Causes of Koi Weakness and Prevention and Treatment of fin and tail rot disease
Treatment must first begin with confirming the disease, so the symptoms of koi fin and tail rot during the onset period are: first, the edges of the fins show a slight opaque appearance, then the membrane continuously peels off, exposing the fin rays, and the fin rays split one after another; if left untreated...
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How to raise koi so they grow fast? Causes of Chilodonella and treatment methods
Chilodonella symptoms: During the fry stage, it mainly damages the skin and fin rays. In adult fish, besides attacking the skin, it also heavily infests the gills, oral mucosa and nostrils. When the fish body and gill filaments are irritated by large numbers of pathogens, it causes excessive mucus secretion, which glues the gill lamellae together...
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Causes and Treatment Methods of Koi Carp Gill Rot Disease
Symptoms of gill disease (1) Commonly known as "open skylight", the gill filaments rot and carry mud; in severe cases, the cartilage at the ends of the gill filaments is exposed, the inner epidermis of the operculum is congested, and the central epidermis is often corroded into a round transparent small hole. (2) Gill mold disease caused by fungi: the gills of diseased fish appear pale...
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What to Do When a New Koi Lies on the Bottom of the Tank? Causes and Treatment of White Fungus Disease
White fungus disease, also known as saprolegniasis. This disease generally occurs in low water temperature environments below 20°C, and is most prevalent in early spring and late winter. Water molds have no strict selectivity for hosts, and both fish eggs and adult fish are easily infected. Fish in densely stocked overwintering ponds, fish in lean water bodies in spring...
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Symptoms, causes, and treatment methods of white head and white mouth disease in koi
Causes of white head and white mouth disease in koi. White head and white mouth disease can also be caused by a massive invasion of Trichodina. Symptoms: sick fish move slowly, body color is slightly dark, and the top of the head and area around the mouth turn white. Taking tissue from the affected area to make a slide and examining it under a microscope, you can see clusters of parasitic flower bacteria constantly swinging, or you can see groups of Trichodina moving. The pigment in the skin of the forehead and around the mouth of the sick fish disappears, appearing white.
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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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