Product Description
[Product Overview]
Shedding the egg of the brine shrimp (a type of brine shrimp) is the process of chemically removing the hard, coffee colored outer shell (chorion) from the dormant egg (cyst) of the brine shrimp, while preserving its internal embryo and nutrients. After removing the eggshell, the eggs turn orange yellow and can be directly fed by aquatic animal seedlings without hatching.
[Processing Principle]
Using oxidants such as sodium hypochlorite or calcium hypochlorite (the main component of bleach), the hard chitin shell of the outermost layer of shrimp eggs is oxidized and dissolved at a specific concentration, water temperature, and pH value, without harming the embryos inside.
[Product Characteristics]
Color: Orange yellow or light yellow.
Form: Fine sand like powder.
Suspension: It has good suspension in water and is not easy to immediately sink to the bottom.
Odor: No obvious irritating odor.
Core advantages and uses
Extremely nutritious: containing abundant protein (about 50%), fat (about 20%, rich in unsaturated fatty acids HUFA), vitamins, and pigments, the nutritional composition is equivalent to that of hatched juvenile shrimp, making it the "king of open bait" for fish, shrimp, and crab fry.
Extremely convenient to use: no need for incubation, eliminating the equipment, time, salinity, and light control required for incubation. It can be fed directly, greatly simplifying the workflow.
Safe and hazard free:
Avoiding the problem of difficulty digesting, scratching the intestines, or blocking the digestive tract after the eggshell is accidentally ingested by seedlings.
Due to the treatment with oxidants, the product itself carries very few bacteria and pathogens, making it more hygienic and safe than self hatching live bait.
Easy to store: Dried shelled eggs can be stored for a long time (1-2 years) under sealed, dark, and cool conditions, while hatched live larvae must be used up within a few hours.
Suitable size: After hatching, the size of the eggs is similar to that of newly hatched nauplious larvae, making them very suitable as open bait for various aquatic economic animals (such as fish fry, shrimp fry, crab fry), ornamental fish fry, and filter feeding organisms such as corals.
Usage and Dosage
Feeding method:
Direct feeding: Take a small amount of dried shelled eggs and sprinkle them evenly into the aquaculture water or nursery pond.
Soak and feed: Soak in a small amount of fresh water or aquaculture water for 5-10 minutes to fully absorb and soften the water, then sprinkle and feed along with the water. This method can prevent eggs from excessively absorbing water and swelling in the intestinal tract of fish fry.
Feeding amount:
Principle: Small amount multiple times. It is advisable to consume it within 0.5-1 hour to avoid residual pollution of water quality.
Reference quantity:
Fish fry/shrimp fry: Feed 0.5-2 grams per 10000 fry per day, divided into 3-5 feeding sessions.
Juvenile ornamental fish: very small amount, pinch a small handful with fingertips, 2-3 times a day.
The specific feeding amount needs to be flexibly adjusted according to factors such as breeding density, seedling type and size, water temperature, etc.
Precautions
Water quality management: Although shelled eggs are not easily damaged by water, any leftover bait that has not been consumed will decompose and consume oxygen, producing ammonia nitrogen. Therefore, excessive feeding should be avoided, and water can be changed appropriately according to the situation after feeding.
Storage conditions: It must be sealed, moisture-proof, and kept away from light. Shelled eggs that have been dampened are highly susceptible to mold and spoilage, and should never be used.
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