Recognizing signs of diseases associated with EHP Currently, almost all regions in Vietnam have very high rates of EHP infection in ponds, so most farmers choose to collect shrimp and re-cultivate a new crop.Recognizing signs: There are many opaque white spots on the shrimp's body. Shrimps have loose intestines, segmented segments, curved...
Shedding (molting) is a normal physiological phenomenon of crustaceans. In order to grow, crustaceans are forced to shed their old shells and form new ones. To prevent soft peeled shrimp shells, it is imperative to eat sufficiently, fully absorb nutrients, and mobilize blood calcium from the hepatopancreas source. Shrimp...
Enzyme overview Enzymes, also known as yeast, are biological catalysts whose basic components are proteins. Enzymes are an essential part of the lives of both humans and other animals. They are widely used in various industries such as detergent production, pharmaceuticals, the paper industry, flour production, milk and cheese processing,...
In today's extremely diverse commodity market, choosing quality probiotics to supplement enzymes for aquatic animals is always a top concern of farmers. In particular, digestive enzymes added to the diet are an extremely important and indispensable product for the digestive systems of aquatic animals. However, the use of poor-quality enzymes,...
Viral white spot disease is one of the causes of shrimp death, with up to 90-100% mortality after only 3-10 days of infection. White spot disease has a very fast spreading speed and can spread into a large epidemic causing great losses to people as well as seriously affecting...
Factors to keep in mind when rearing shrimp in winter Vannamei is easy to rear, has a high survival rate, and is widely farmed today, but it is also very sensitive to environmental factors. Especially when raising shrimp at the end of the year which environment is included cold weather,...
Currently, there are about 15 million hectares of acid sulfate soil in the world, most concentrated in Southeast Asia (accounting for 50% of the area). Indonesia has the most prominent site of alkaline soil in the world (2 million ha), followed by Vietnam (1.8 million ha). Acid soil accounts...
Vibrio overview Vibrio belongs to the family Vibrionaceae, order Vibrionales, class Gammaproteobacteria, phylum Proteobacteria. General characteristics of bacteria belonging to the genus Vibrio: gram-negative, a straight rod or slightly bent in shape, 0.3-0.5 x 1.4-2.6 μm in size. They do not form spores and move with a single flagellum or...
Ecological shrimp farming in the provinces of Ca Mau, Bac Lieu, and Kien Giang... has a large farming area, but the productivity has not really met the expectations of farmers and investment enterprises. Why? Therefore, there are specific problems of ecological shrimp farming related to microbiological solutions: The water environment is not...
Running a fan or running bottom oxygen in shrimp farming is a condition for forming a foam film on the surface of the pond. In the presence of clean, not-viscous water with no suspended matter, the foam film will quickly dissolve. In the case of long-lasting foam film, forming a long...
