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White spots in the internal organs disease of snakehead caused by Aeromonas schubertii bacteria.
Figure 1: Aeromonas schubertii bacteria Figure 2: Bacteria that cause disease after Gram staining
- Dark color fish, slow-response, rash, bleeding fins, anus, skin, gills, eyes and root (Figure 2).
- Hemorrhagic muscle, red, dark internal hemorrhage. Liver, kidney, spleen have many white pus spots, some cases appear on the fish's intestines (Figure 3).
- The disease appears mostly in the farming period, with strong outbreaks in the dry season, high temperature (January-April).
Figure 3: Appearance of diseased snakehead
Figure 4: Internal appearance of diseased snakehead
- Improve pond water environment:
+ Periodically, water desinfection with GLUMAX (1L/4,000 - 5,000m3 of water).
+ Adding micro-organisms with VB-EM (5L/3,000m3 water) improves water quality and compete with pathogenic bacteria.
- Increasing resistance for fingerling catfish:
+ Prevention of internal and external parasites, VB-SOL_new (1kg/15 tons of fish)
+ Periodically supplement, BIO-X_pro + VB12_pro (1Kg/L/10-15 tons of fish) to support digestion, enhance liver and kidney function.
- Case 1: Snackhead just have hemorrhagic disease and white spots in the internal organs disease
+ Using BIO-POND_pro to degassing toxic gases, suspended substances to clean the water environment.
+ Use GLUMAX to disinfect pond water.
+ Reduce the amount of feed (50%) and combine using VB-RIDO_01 + VIBOZYME new.
+ Using BIO-POND_pro to absorb toxic gases, suspended substances, clean the pond water environment.
+ Reduce the amount of feed (50%) and combine using VB-SOL_new (only the first 2 days) + VB-RIDO_01.
+ Use DE AGA to treat parasites after it is discharged into the water environment.