First, pay attention to prevent drastic changes in water temperature Crab ponds should maintain a certain level of water to prevent drastic changes in water temperature; In addition, when adding new water should pay attention to the temperature difference does not exceed 3 °C, to prevent cold death of crabs. ?
Second, pay attention to the timely sale of mature crab before and after the annual frost, a group of second-instar crab gonadal maturity, manifested as the back shell was dark green, male crab chewing foot thick and long hair developed, chelipfoot, step foot healthy and powerful, female navel become Oval shape, surrounded by small black hair. At this time, the osmotic pressure in the crab increased, often due to the inability to adapt to the low osmotic pressure of the fresh water environment and died. Therefore, these river crabs should be promptly captured for sale on the market. ?
Third, pay attention to prevent crab indigestion Autumn water temperature and climate changes can easily affect the crab appetite, causing indigestion and cause death, this time should take the following preventive measures:
(1) To improve the water quality, regularly disinfect the whole pond with lime water;
(2) feed more animal feed containing high protein, add plant feed, and add antibiotics and auxin at the same time in food;
(3) When feeding, strictly follow the requirements of “Four Setsâ€, and the amount of bait will gradually decrease as the water temperature decreases.
Convenience Food
means that it can be prefabricated, or it can be eaten now. The food is
made into semi-finished products or finished products, and then frozen.
It can be easily processed at any time and can be eaten anytime and
anywhere.
Features of convenience food:
1. Easy to eat and easy to carry. Convenience
foods are packed in specifications and are easy to carry. They are easy
to process when they are eaten. They only need to be rehydrated, thawed
or heated slightly to save time and effort.
2, nutritious, health and safety. Convenience
foods are processed with reasonable ingredients and foods, and undergo
strict sanitary inspection, sterilization and packaging, so the
nutrition is rich, safe and reliable.
3. Low cost and low price. Convenience
foods use large-scale industrialized centralized production, which can
make full use of food resources and achieve comprehensive utilization,
thus greatly reducing production costs and sales prices.
Convenience Food
Convenience Food,Dried Egg Noodle ,Curry Chicken Self-Heating Rice,Self-Heating Rice Halal Food
Ningxia Saiwaixiang Food Co., Ltd. , http://www.nxswxfood.com