Prevention and control of red spiders can be combined with the winter management of jujube trees during the dormancy period, scraping old warp barks and burning them to eliminate overwhelming insect sources. Before the jujube germination, spraying 5 Baume degrees of lime sulfur agent has certain control effect on the overwintering insects in the jujube branches. After May and June, when the density of insect population reached an average of 0.5/leaf, acaricides should be used for prevention and treatment in time. Spraying 2% of avermectin 2000 times or 10% of ivermectin 1500-2000 times can control the damage of the worm; jujube trees with high larva density can be sprayed 2 to 3 times, once every 10 to 15 days. .
As customers have higher and higher requirements for animal reproduction and animal disease diagnosis and treatment, traditional diagnostic methods such as visual inspection, stethoscope listening, thermometer inspection, and percussion and hammering can no longer meet the needs of animal husbandry production and veterinary clinics. Today, B-ultrasound is playing a big role in human medical diagnosis, and in the future, B-ultrasound will also play a role in animal medicine. We should promote the use of veterinary ultrasound scanner step by step according to the actual situation, popularize the knowledge of the use of veterinary ultrasound scanner, take this as an opportunity, and use it as a ladder to improve the level of veterinary practice in our country.
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Mianyang United Ultrasound Electronics Co., Ltd , https://www.uniultrasonic.com