What to do if the fish is rotten
Recently, discussions about fish health issues have become increasingly popular on major social platforms and among fish farming enthusiasts. Many aquarists have reported that domestic ornamental fish or farmed fish have body ulcers, which has aroused widespread concern. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed analysis of the reasons why the fish is rotten and the countermeasures.
1. Common causes of fish body ulcers
| Reason type | Specific performance | Proportion (based on discussion popularity) |
|---|---|---|
| bacterial infection | White spots, redness, swelling, and ulcers appear on the body surface | 45% |
| Parasitic infestation | Cotton-like attachments appear on the fish body | 30% |
| water quality issues | Abnormal pH value and excessive ammonia nitrogen | 15% |
| Traumatic infection | Worsening of wounds caused by transportation or fighting | 10% |
2. Emergency treatment plan
According to the advice of aquatic experts and experienced fish farmers, the following steps should be taken when fish ulcers are found:
1.Isolate sick fish: Immediately transfer the sick fish to a separate treatment tank to avoid infecting other healthy fish.
2.Water quality testing and improvement: Use a professional test box to check the following indicators:
| Test items | normal range | Exception handling |
|---|---|---|
| pH value | 6.5-7.5 | Slowly adjust to normal range |
| Ammonia nitrogen content | <0.02mg/L | Change 1/3 of the water immediately |
| nitrite | <0.1mg/L | Add nitrifying bacteria |
3.drug treatment:Choose the appropriate medicine according to the symptoms:
| Symptoms | Recommended medicine | How to use |
|---|---|---|
| local ulceration | Yellow powder (nitrofurazone) | Medicinal bath 30 minutes/day |
| systemic infection | Oxytetracycline | Add 1 tablet per 10L of water |
| parasitic infection | Methyl blue | 0.5ppm concentration soaking |
3. Preventive measures
1.Daily management points:
• Change 1/3 of the water every week to maintain stable water quality
• New fish must be quarantined before entering the tank
• Avoid deterioration of water quality due to overfeeding
2.Equipment Checklist:
| Device type | Check frequency | Things to note |
|---|---|---|
| filter | weekly | Check if traffic is weakening |
| heating rod | daily | Observe whether the temperature is constant |
| oxygen pump | daily | Listen to the sound to determine the working status |
4. Sharing of recent popular treatment cases
The "Goldfish Recovery Diary" hotly discussed on an aquarist forum has received over 100,000 views. Its successful experiences include:
• Use 0.3% salt water and yellow powder for alternating medicated baths
• Keep water temperature constant at 26°C
• Stop eating for 5 days during treatment
5. Special reminder from experts
1. Avoid the misuse of antibiotics and prevent the development of drug resistance
2. Turn off strong light during treatment to reduce fish stress
3. When the ulcer area exceeds 30% of the body surface, it is recommended to seek professional veterinary help.
Through the above systematic solutions, most fish surface ulcer problems can be effectively controlled. Prevention is better than cure, and establishing a scientific feeding and management system is the key to ensuring fish health.
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