High-quality green food, no pollution, no residue Special wild boar eat natural fodder, mainly green fodder, and appropriate amount of some grain feeds. The meat does not contain hormones and toxic substances, without any pollution and residue, and is a high-quality green food. Today, when the env READ MORE
Prevention: Regularly trim and wash the hooves, pour 1% copper sulphate solution into the sprayer with a spray nozzle, spray directly on the forks of the cows, and spray once every other day. Treatment: Baoding diseased cattle six columns, with 1% potassium permanganate solution to clean the affe READ MORE
Release date: 2010-05-27 The Karolinska Institute of Sweden recently announced that the researchers have developed a new DNA (deoxyribonucleic acid) vaccine that inhibits the growth of malignant tumors. The experiment showed that the vaccine has no side effects. When a malignant tumor exceeds READ MORE
Weaning irrational farmer pigs have adopted a weaning method once more, and they will be listed immediately after weaning, which will suddenly change the living conditions of the piglets, and it will be difficult to adjust to the increase in weight. The correct method is to gradually reduce the nu READ MORE
Ultrapure water has its unique characteristics, making it difficult to measure its pH. In practice, it is difficult to obtain reproducible and stable measurements in low ionic strength samples. Low ion samples, ie low alkaline, low ionic strength, or low electrical con READ MORE
Many leguminous seed coats have a layer of closely packed long columnar Martensitic cells that are not easily penetrated by water and impede water swelling and sprouting. The hardiness rate of alfalfa is 10%, and that of rhinoceros is 39%. Therefore, hard seed must be treated before planting legum READ MORE
Maize rough dwarf disease is an important disease in the corn producing areas in northern China. The area of ​​corn in Botou City is 500,000 mu, and the occurrence of corn rough dwarf disease is widespread. In recent years, the occurrence area and damage degree have been obviously in READ MORE