2, reasonable stocking. The first is to choose the water body Cladocera breeding peak to release grass carp summer flowers. Generally put the fertilizer 200-300 kg / acre, 7-10 days Zhijiao class that reaches the peak; Second, a small amount of squid summer flowers, mainly from feeding baits, corrupt benthic organisms and limited food. Usually 1,000 grass carp summer flowers take 200-300 tails of summer carp.
3, timely pull the net, the "bubble" screen out, pool or adult fish pond breeding.
4, pay attention to fish disease prevention and treatment. One is to use grass pulp hemorrhagic tissue pulp inactivated vaccine soaked or injected; the second is every 10-15 days of fish disease season with 20-30 kg of lime per acre Quanchiposa; third is to use garlic head every half months Rotten fish fed with 100 grams of garlic with 1000 grams of mixed bait, each feeding for 3-4 days, respectively, to control grass carp bleeding, gill rot and enteritis disease.
5, to ensure the supply of high-quality natural food. The bait is mainly based on Cladocera, Euphorbia, duckweed, etc., and fine materials should be used properly.
6, change the feeding method to avoid the formation of "bubble". One is to appropriately increase the number of bait stations and require that at least one of the 5,000 fish species should be set up; second, the feeding should be uniform to avoid undue delay; and third, fish diseases must be properly restricted during the season.
7, to ensure fresh water. One is to flush water in a timely manner, 5-10 cm each time, especially in the hot season 1-2 days to flush once; second is to timely remove dead fish and uneaten residual grass and debris.
It can prevent some medicine or blood from splashing on the face, thus protecting the eyes. This kind of glasses is generally used in conjunction with masks and surgical caps to fully protect the doctor's head.
[Functions of medical eye masks]
1. Prevent blood, potion and other liquids that cause damage to the skin from causing unpredictable damage to the eyes.
2. It can prevent the impact of objects on the eyes during close surgery.
3. The inner space of the eye mask is large enough for doctors who wear myopia glasses.
4. The breathability must be good, generally there are vents
Protective goggles,disposable medical equipment,personal protection,daily protection
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