News
Common Koi Disease Treatment – Pinecone Disease (Dropsy/Scale Protrusion)
(1) Symptoms: The scales on both sides of the affected fish protrude outward, primarily due to the accumulation of fluid in the scale pockets beneath the scales. In severe cases, death may occur. (2) Prevention and Treatment Methods: Once detected, early treatment should be administered. Commonly used methods include antibiotic...
Common Koi Disease Treatment – Red Skin Disease
(1) Symptoms: The affected fish shows localized or extensive inflammation and congestion on the body surface, with scales falling off. These symptoms are most pronounced on the sides and abdomen of the fish. (2) Preventive Measures: Pay attention to feeding management, handle with care to avoid injuring the fish. Use...
Keeping and Managing Koi in an Ecological Aquarium
I. Determining Appropriate Stocking Density The first step in setting up an ecological aquarium for koi is to establish the stocking density. Due to their large size and high waste production, maintaining water quality is challenging. Therefore, stocking density becomes the first line of defense in preserving water quality. The...
Common Koi Disease Treatment – Enteritis
(1) Symptoms: Affected fish initially appear lethargic, floating motionlessly, move slowly, isolate from the group, show reduced appetite or even anorexia, exhibit darkening of the body, red patches on the abdomen, swollen anus, and in early stages, discharge white thread-like mucus or suffer from constipation. (2) Preventive Measures: Use antibiotics...
Common Koi Disease Treatment – Myxobacterial Gill Rot
(1) Symptoms: The gill filaments appear pink or pale, followed by tissue damage and increased mucus production, often accompanied by sludge. In severe cases, the inner epidermis of the gill cover becomes congested, and the middle section of the epidermis erodes, forming a roughly circular transparent area, commonly known as...
Common Koi Disease Treatment — Dermatitis and Hyperemia (Skin Inflammation and Congestion)
(1) Symptoms: The skin shows inflammation and congestion. In severe cases, fin rays may rupture. Internal organs such as the intestines, kidneys, and liver exhibit varying degrees of inflammation. Affected fish may float on the water surface or sink to the bottom, swim sluggishly, respond slowly, and may die in...
Koi Keeping Containers
Concrete Ponds Concrete ponds are commonly used for keeping koi in gardens, parks, and breeding facilities. They can be constructed indoors or outdoors, typically in square or circular shapes using bricks or concrete. Common dimensions include 1 m × 1 m, 2 m × 2 m, 3 m × 3...
Common Koi Disease Treatment — Hemorrhagic Disease
(1) Symptoms: The affected koi exhibit congestion around the eyes, gill covers, mouth, and at the base of all fins. (2) Prevention and Control Methods: During the peak season of fish diseases, apply bleaching powder at a concentration of 1×10⁻⁶ mg/L throughout the pond once every 15 days as a...
Common Koi Disease Treatment — Carp Pox
(1) Symptoms: In the early stages, small milky-white spots appear on the body surface or tail fins of the koi, covered with a thin layer of white mucus. As the disease progresses, the epidermis at the affected area thickens, forming large, paraffin-like growths. Affected fish become emaciated, swim sluggishly, show...
Common Koi Disease Treatment – Spring Viremia of Carp (SVC)
(1) Symptoms: Affected fish exhibit darkening of the body, abdominal swelling with ascites (fluid accumulation), red and swollen anus, skin and gill hemorrhages, and pronounced internal organ bleeding. (2) Preventive Measures: Remove external parasites (primarily leeches and fish lice) from overwintering koi. Preventive bath: Bathe koi in iodophor solution with...
Koi Breeding Techniques
Section 1: Preparation of Koi Breeding Facilities I. Preparation of the Spawning Pond Before breeding, it is best to keep female and male fish separately and reintroduce them into the spawning pond during the breeding period. Small concrete ponds are commonly used as spawning ponds, typically measuring 5 meters in...
Tips for Keeping Koi in Park Ponds
I. Water Quality Requirements for Park Koi Ponds (1) The pond water must be odorless, free of foul smells, and non-decomposing. (2) The water should be moderately fertile, with a transparency (clarity) of about 1 meter. Water that is too shallow may cause fish to surface for air (hypoxia) and...
Recent Post
-
-
Common Koi Disease Treatment – Red Skin Disease
May 21, 2025 -
Keeping and Managing Koi in an Ecological Aquarium
May 19, 2025 -
Common Koi Disease Treatment – Enteritis
May 18, 2025 -
-
-
Koi Keeping Containers
May 11, 2025 -
Common Koi Disease Treatment — Hemorrhagic Disease
May 07, 2025 -
Common Koi Disease Treatment — Carp Pox
May 05, 2025 -
