First, umbilical cord disinfection. Over the years, some lambs have been suffering from tetanus, mainly because of the lack of knowledge about disease prevention. When they are delivered to sheep, they use unsterilized scissors to cut the umbilical cord or use unclean lines to ligate the umbil.......
Disinfection of turtle seedlings can increase the survival rate of turtles and prevent the occurrence of diseases. At present, most farmers use bleach, potassium permanganate, salt and antibiotics and other drugs. Prior to disinfection, turtle seedlings must be inspected (including polyculture.......
Seedling types: seedlings, vegetative propagation seedlings, transplanted seedlings, leave bed seed.......
The use of bio-fertilizers Kumbak Bio-fertilizer is a newly developed bio-fertilizer produced by Beijing Huaxia Kangyuan Co., Ltd. with the introduction of foreign advanced bio-engineering technology and technological means. This product is a kind of functional probiotics with high viability, .......
Classification of valves according to their automatic and drive, use and function, technical parameters, structural features and structural principles