Affected by the shortage of electricity, the import volume of diesel generators increased significantly this year. Recently, companies in Zhejiang, Jiangsu, and Guangdong have reported that there are quality problems in the imported generators purchased. Many generators are based on old produc.......
Summer temperatures are high, and aquaculture management should be strengthened. In hot summer, the sun is hot. July and August are the highest temperatures and temperatures in the whole year. They are also the growing season for aquatic animals such as farmed fish and shrimps, crabs and clams.......
When the tea plantation production is difficult to improve, the quality of the medium-and-low-yield low-value, the decaying tea plantation, or the hand-picking tea plantation is changed to the tea plantation, the purpose of increasing the value-added and suitable production can be achieved thr.......
There are many reasons for the infertility or low conception rate of cows, but they are mainly due to irrational diets, lack of minerals and vitamins. There is a problem with cow health and reproductive systems such as uterine and ovarian disorders. Irregular estrus cycle, poor semen quality, .......
Mulberry complex management generally uses intercropping and aquaculture in mulberry gardens where planting density is relatively thin and plant spacing is wide. (a) The mulberry intercropping intercropping mulberry plant has a wide spacing, and the number of acres per plant is relatively smal.......
Spirulina is widely used in aquaculture for fish, shrimp, crab, shellfish or feed additives. It has high protein, high nutrition, high digestion and absorption rate, enhances and regulates the body's immunity and other characteristics, and contains more carotene, vitamins and trace element.......
How to raise the hen's egg production rate in winter to maintain the temperature: The optimum temperature for laying hens is 18°C. Usually at 16 °C -21 °C, laying hens have a higher rate of egg production. When the temperature is lower than 5°C, the egg production rate decrease.......
Nowadays, with the development of the economy and the improvement of traffic conditions, the trading of used cars is becoming more and more common. Especially in rural areas, there are not a few people who buy old cars. In order to avoid causing losses in the purchase of cars, I would like to .......
I. Preparation of Hybrid Maize before Storage In the harvested hybrid corn, the mildew bag should be sorted out, and the good, medium and poor pilings should be stacked on the mirage or wooden building, with a thickness of about 20cm, often turning, and then air-dried and threshed. , You can a.......
For cows, the optimum temperature is 8 °C ~ 16 °C. In most parts of northern China, winter temperatures are below 0°C, coupled with poor feeding and management, milk production will be affected. The measures to change this effect are as follows: 1. It is generally 8°C~16°C to in.......
Professor Robert Swaz, a professor at Baylor College of Medicine in Houston, United States, used genetic technology to increase the growth rate of pigs by 40%, speeding up the market for pork, and lowering the cost of feeding. The journal of Nature Biology reports that the key to this technolo.......
Establish the concept of “big prevention and control†for comprehensive prevention and control. The occurrence or even the outbreak or the outbreak of edible fungus disease has its own development law. The law is science and it cannot tolerate sloppy. On the surface, the disease on.......