EFFECTS OF IODINE, GALIC POWDER, VITAMIN C FOR PREVENTING STREPTOCOCCOSIS IN CULTURED TILAPIA IN A WET LABORATORY

Phạm Thị Thanh; Trương Thị Mỹ Hạnh; Võ Văn Nha

doi:10.34238/tnu-jst.5987

EFFECTS OF IODINE, GALIC POWDER, VITAMIN C FOR PREVENTING STREPTOCOCCOSIS IN CULTURED TILAPIA IN A WET LABORATORY

About this article

Received: 15/05/22 Revised: 24/06/22 Published: 24/06/22

Authors

1. Pham Thi Thanh , Research Institute for Aquaculture number 1
2. Truong Thi My Hanh, Research Institute for Aquaculture number 1
3. Vo Van Nha, Research Institute for Aquaculture number 3

Abstract

The use of drugs and chemicals for tilapia has emerged as a major concern in aquaculture areas. The present study sought to define the effect of Iodine, galic powder and Vitamin C in preventing and treating diseases of Tilapia associated S. agalactiae. Data concerning Iodine, galic powder, Vitamin C were collected from 30 drug stores in previous research. S. agalactiae was cultured in nutrient broth media in incubator shaker at 30^oC for 18 h, when the bacteria density reached 10⁷ cfu / mL, it was used to infect fish. The results showed that: Garlic powder (0.1 g/kg fish) and Vitamin C (5 g/kg fish) or Garlic powder (0.1 g/kg fish) and Iodine (0.05 mL/100 Lit) were effective in treating the Streptococcosis disease with feeding time of 3 and 5 days, the survival rate of tilapia infected with S. agalactiae being 66.7 – 75.6% and 64.4 – 71.1% respectively compared with the positive control (19.9%). Meanwhile, Vitamin C (5g/kg fish) and Iodine (0.05mL/100 Lit) used feeding time of 3 and 5 days were ineffective in preventing Streptococcosis in tilapia.

Keywords

Tilapia; Iodine; Garlic powder; Vitamin C; S. agalactiae

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DOI: https://doi.org/10.34238/tnu-jst.5987

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