Pond rearing grouper rearing management

According to the growth of groupers, feeding conditions control the amount of feed. When feeding, it is necessary to quantify, eat less meals, and try to let the fish eat the food. The grouper’s bait mainly consists of fresh fish. In the first two months of the breeding season, minced small fish were fed and fed a dose of about 10% of body weight. In the last 3 months, the small fish were cut into chunks and fed at 5% of the fish's body weight. One month before harvest, small fish were fed at 3% of the fish body. In addition to fresh small fish, it can also be fed with artificial diet (protein content requirements more than 40%), and according to the size of fry processing into different specifications, depending on the feeding conditions of the fish.
When feeding, it is advisable to take a quantitative, low-fed method of feeding multiple meals, first in the middle, and then in the side, each feeding should be divided into several shots, so that the food can be eaten before the food sinks. The daily feeding time is preferably from 5 to 6 o'clock in the early morning and from 19 to 20 o'clock in the evening. During the breeding process, the water temperature, salinity, and pH of the pond should be measured frequently, and the amount of water should be changed according to the water quality of the pond; the lake should be regularly inspected to check the safety of the dam, gate, and screen, and measures must be taken to reinforce and replace it in a timely manner. Pool fish escape.

Printing And Dyeing Auxiliaries

Dyeing Auxiliaries are chemicals used in the process of printing and dyeing in addition to industrial chemicals (such as salt, sodium bicarbonate, caustic soda, soda ash, hydrogen peroxide, etc.). Printing and dyeing auxiliaries include Printing Auxiliaries and dyeing auxiliaries. Printing auxiliaries include thickeners, binders, crosslinkers, emulsifiers, dispersants and other printing auxiliaries. Based on the knowledge of various fibers, surfactants and polymer compounds used in textiles, various auxiliaries in textile printing and dyeing process were described according to pretreatment process, printing and dyeing process and finishing process. These include dyes, scouring agents, wetting agents and penetrating agents, foaming agents, foam stabilizers, defoamers, dispersants, detergents; levelling agents, fixing agents, thickeners, binders, fluorescent whitening agents; wrinkle-proof finishing agents, softening agents, antistatic finishing agents, anti-bacterial finishing agents, anti-odor finishing agents, flame retardant finishing agents. Water repellent finishing agent.

Our Services

1. OEM(????) service is available.

2. Fast producing time.

3.Cheapest price forproduces.

4. Reply promptly in 24 hours.

5.Free sample available.


Q1: product specifications?

A: we will pack the product specifications according to your needs.

Q2: Do you have some videos where we can see the line production?

A: Yes, we can provide some videos for reference. (yes, we can provide some videos).

Q3: How about payment terms? What kind of payment terms do you have?

A: 30% TT deposit + 70% TT before shipment, 50% TT deposit + 50% LC bala

Nce, Flexible payment can be negotiated.

Q4: what advantages do you have?

A: the quality of the products we offer can be guaranteed and will provide you with very competitive prices.

If you have any questions, please contact with us directly. Organic Intermediate are produced by HRT bearing With High Quality and Good Appearance. Welcome you can visit our Factory. For inqury, please send mail directly to us.

Printing And Dyeing Auxiliaries

Printing Auxiliaries,Sodium Thiosulfate,Dyeing Chemicals,Dyeing Agent

Shandong Chenyi Environmental Protection Technology Co.,Ltd , https://www.chenyichemistry.com