Herb Guard is used directly into the pond and fed in the first 10 days, helps stabilize the hepatopancreas during the homogenization of the hepatopancreas and prepare for the following metabolic changes:
- Use directly into the pond: 1 liter/1.500 m3. Every 7 days for 3 weeks of the first month of culture.
- Combined with feed: 7 - 10 ml/kg feed, once a day.
During culture, mainly in the period from 15 - 25 days, shrimp hepatopancreas is usually unstable and easily changes color (from dark brown to yellow) or uneven hepatopancreatic structure.
- The dosage used in this case is 10 - 15 ml/kg feed.
After 2 - 3 days of use, the color of the hepatopancreas will change and after 5 - 6 days, most shrimp liver will create a lipid membrane.
Before using Herb Guard

After using Herb Guard 2 - 3 days

After using Herb Guard 5 - 6 days

Treatment of ponds infected with parasites
When the parasite enters the hepatopancreas and shrimp intestines softens the shells due to the inability to absorb minerals in the environment, the shrimp hepatopancreas is black and greenish, and it is difficult to distinguish the separate parts of the hepatopancreas. A closer look on shrimp liver shows tiny spots appear and feel like dry. The liver membrane will sometimes be lost, the shrimp is dark, there are many black spots on the shell.
After treating the water environment and removing the parasites in the shrimp body. In this case, add Herb Guard to help shrimp liver recover faster.
- Dosage of 10 - 15ml Herb Guard + 10ml of Calphos Gro per 1 kg of feed, feed twice a day.
Shrimp infected with parasites, before treating the environment and disinfecting the parasites (dark shrimp, many small spots on the shell, unhealthy liver).

After treating the parasite and feeding Herb Guard for 5 days, shrimp liver is improved: shrimp liver is strong, there will be no black spots on the shell, shrimp eat a lot, shrimp liver has formed lipid membrane again.

Herb Guard should be maintained in the following days from 1 - 2 times to stabilize hepatopancreas function in the best way during culture.