The Wonderful Uses of Chinese Herbal Medicines in Aquaculture

2026-01-23

The thousands-year-old Chinese herbal medicine, with its natural, safe and multi-effect characteristics, is becoming the "new favorite" for disease prevention and control in aquatic farming. Today, let's get to know several "star Chinese herbal medicines" used in aquatic farming and see how they protect the health of fish! 

I. Rhubarb: 

Rhubarb contains anthraquinone compounds (such as emodin and rhapontic acid), which have broad-spectrum antibacterial, astringent hemostatic, and heat-clearing detoxifying effects. 

Applicable scenarios: 

Bacterial diseases: Used for treating enteritis, rotten gills, and erysipelas, etc. It is often combined with Huangqin and Huangbai to form "San Huang Powder", which is then sprayed or mixed with feed for feeding. 

Viral diseases: Used as an auxiliary treatment for grass carp hemorrhagic disease, to enhance the fish's immunity. 

II. Scutellaria baicalensis: 

Compounds such as baicalin and baicalein have the effects of inhibiting bacteria, fighting viruses, protecting the liver and promoting bile secretion. 

Applicable scenarios: 

Foul gill disease, printing disease: Make a decoction and sprinkle it throughout the pond, or combine it with Herba Houttuyniae and Portulaca oleracea for internal use. 

Protect liver and gallbladder: Regular feeding can prevent fatty liver and enhance the fish's disease resistance. 

III. Senna Leaf: 

Contains chuanlidanine, which has a paralyzing effect on parasites. It can eliminate parasites such as rotifers, anchor worms, and anchor flukes. 

Applicable scenarios: 

External parasites: Decoct the herbs and sprinkle the decoction throughout the pond, or use them in combination with areca nuts and phytolacca. 

Internal parasites: Powder is ground and mixed with feed for feeding, used to treat Jiujiang head trough tapeworm disease. 

Four, Five Nutmegs: 

Contains tannic acid, which can coagulate proteins, kill bacteria, stop bleeding, and repair damaged mucous membranes. 

Applicable scenarios: 

Skin ulcers, erythroderma: Crush the affected area and apply it as a lotion or use it in a bath to promote wound healing. 

Bacterial sepsis: When combined with rhubarb and eucommia, it enhances the antibacterial effect. 

V. Garlic: 

Allicin has the effects of broad-spectrum antibacterial, insect repellent, and promoting digestion and stomach health. 

Applicable scenarios: 

Enteritis and rotten gill disease: Mix minced fresh garlic with the feed and feed it to the fish, or combine it with Dijincao and Xuanxinlian for treatment. 

Attracting appetite for weight gain: Adding 0.1% - 0.3% garlic powder can enhance the palatability of the feed and promote the growth of fish. 

Six. Verbena: 

It has the effects of clearing heat and detoxifying, promoting blood circulation and removing blood stasis. It also has inhibitory effects on Staphylococcus aureus and Escherichia coli. 

Applicable scenarios: 

Grass carp "three diseases" (rotten gills, intestinal inflammation, and erysipelas): Combined with honeysuckle and bigleaf maple leaf, the decoction is used for spraying. 

Red-necked disease of soft-shelled turtles: Crush the fresh grass and apply it externally to the affected area. At the same time, take internal medication consisting of heat-clearing and toxin-resolving Chinese herbs. 

VII.金银花: 

Clear heat and detoxify, have antibacterial properties. It is specifically used to treat fish and shrimp diseases such as rotten gills, red skin disease, and viral enteritis. 

Applicable scenarios: 

During the hot season, fish and shrimp are prone to "becoming ill" due to excessive heat, or when the water becomes murky. 

For oral administration: Add 200 grams of honeysuckle (after drying and grinding) to 100 kilograms of feed, mix well and feed continuously for 4 to 6 days. 

For external use: Mix 200-300 grams of honeysuckle flowers with water to make a decoction. After filtering, sprinkle it throughout the entire water area. Do this once a week to prevent diseases during the hot season. 

VIII. Licorice: 

Detoxifying, anti-inflammatory, and balancing the medicinal properties, it can alleviate poisoning caused by fish and shrimp (such as pesticide residues and moldy feed) 

Applicable scenarios: 

When fish and shrimp accidentally ingest toxic substances, experience discomfort after taking medication, or the water quality suddenly deteriorates; add 300 grams of licorice powder to 100 kilograms of feed, and feed continuously for 3 to 5 days. This will help the fish and shrimp eliminate the toxins from their bodies. 

Medication combination: When using this medicine in combination with other Chinese herbs (such as honeysuckle and mulberry bark), add 50 grams of licorice powder, which can enhance the efficacy and reduce irritation.


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