What are the benefits of biological control measures?

The biosafety prevention and control measures for large-scale sheep farms are as follows: ** I. Warning and epidemic prevention labels ** Set up eye-catching warning signs 50 meters away from the farm, set up epidemic prevention isolation belts, epidemic prevention instruction slogans and signs, restrict outsiders and vehicles from entering the breeding area, especially those who are in contact with the epidemic focus or suspected patients. ** II. Introduction and management of breeding stallions ** 1. They advocated self-breeding and self-cultivation. They did not buy sheep from the epidemic area. They had to be isolated for 45 days before entering the site. They could only enter after confirming that they were healthy. 2. Male breeders must be qualified and tested twice a year. They are not allowed to be immune to brucellus vaccine. ** 3. Personnel Management ** 1. Personnel disinfection facilities should be set up at the entrance of the sheep farm and the production area, and registration should be carried out. 2. Breeders should set up special access channels. When entering, they should change into clean and disinfected work clothes, work boots, work hats, etc. They should not wear work clothes to enter the living area. They should be disinfected when entering and leaving. 3. Outsiders are not allowed to enter the production area at will. When entering the living area, they must be strictly disinfected. The personnel must wear protective clothing, gloves, masks, shoe covers, etc., and enter the production area after disinfection. Personal items such as mobile phones and handbag should not be brought into the production area as much as possible. 4. The staff should have regular physical examinations and establish employee health files. ** IV. Vehicle Management ** 1. The vehicles transporting feed, grass, and other items went through special passages and were strictly disinfected. 2. Foreign vehicles were not allowed to enter the production area at will, and they had to be strictly disinfected when entering the living area. 3. Vehicle disinfection facilities should be set up at the entrance of the sheep farm and the production area, and they should be registered. ** 5. Sick Sheep Management ** A relatively independent isolation room and delivery room should be set up. The sick sheep should be isolated in time, and there should be special personnel to wash and disinfect items. ** 6. Sheep Health Inspection ** When veterinarians and supervisors enter all kinds of sheep houses, they should visit them according to the order of feeding age from small to big, from healthy group to sick group. ** VII. Pest Control ** 1. There must be mouse-catching facilities in the production area, and dogs and cats are prohibited. 2. Pebbles can be laid around the field area to set up anti-rat isolation belts. Hardened roads can be used to prevent rats in the field area. Professional rat control teams can be hired regularly to eliminate rats in the field area. The material warehouse and feed warehouse should be closed and the doors and windows should be closed to prevent rats and birds from entering and leaving freely. The breeding houses should be thoroughly checked to block the rat holes. 3. Bird-proof nets and other facilities shall be set up around the site to prevent birds and bats from entering the site. During the summer and autumn mosquito and fly seasons, anti-mosquito drugs shall be used to kill mosquitoes and flies regularly. ** 8. Disinfection Management ** 1. Disinfection pools were set up at the entrances and exits of the breeding grounds and the pens. The disinfectant used was 3% soda ash solution, which was changed regularly. 2. The pens, fields, vehicles, etc. were sprayed with 1% Bromogermine for disinfection, and the enclosed space was disinfected with formalin. 3. The feeding trough and backing plate should be soaked in disinfectant, washed and dried, and then exposed to the sun or under an ultra-violet lamp. 4. Burn or spray the cleaned garbage and dirty grass. 5. The feeding carts and various items in the production area should be disinfected regularly. The disinfectant should be used correctly and the frequency of disinfection should be ensured. 6. The manure was processed by stacking and fermenting. 7. For non-flammable cages and metal products, fire spraying can be used to disinfect them. 8. The delivery room was disinfected once a week with Bromogeramine, and the delivery room was disinfected before and after the delivery of the ewe. 9. Disinfect the sheep once every 1 - 2 weeks. Disinfect the production area and living area every day. Disinfect them thoroughly once a week. Specially assign someone to be responsible for the disinfection records. ** 9. Scientific Deworming and Immunity ** 1. Prophylactic deworming: Every March, June, September and December, the whole group will be dewormed. The deworming drugs will be selected according to the local parasite epidemic situation. 2. Sheep medicinal bath: Generally, it is carried out 10 days after the sheep is sheared in May and twice in August. It is carried out by using medicinal baths and sprayers. Commonly used medicinal bath liquid included 0.1% Mianling, 0.3% Pedicle-killing Essence, 0.5% Trichlorfon solution, 0.1% Chidimeform solution, 0.05% Phoxim solution, 20% Fenvalerate cream, etc. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The pest control measures include the following aspects: 1. ** Protective measures **: By improving the environment and improving the self-regulation ability of the ecosystem, physical and chemical means are used to reduce the reproduction and living conditions of pests and prevent the emergence of pests. 2. ** Biological control **: Control the number and distribution of pests with the help of natural enemies, parasitic insects, microorganisms, etc., such as introducing foreign species or strains to control and eliminate pests. 3. ** chemical control **: use chemical drugs such as insect growth regulator, pesticide, disinfectant to kill pests. 4. [Physical Kill: Use high temperature, low temperature, radiation and other physical means to kill or suppress the reproduction of harmful organisms.] 5. Engineering extermination: Use engineering measures such as isolation and environmental changes to prevent the spread of harmful organisms. 6. ** Comprehensive management **: Comprehensively apply the above methods and adopt comprehensive management measures according to different pest species and environmental conditions to achieve long-term effective pest control. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Biological control can reduce the population density of harmful organisms such as weeds and pests. It uses the relationship between biological species to suppress one or another type of organism. It has little environmental pollution, can effectively protect natural enemies, play a role in continuous disaster prevention, low cost, safety to humans and animals, pests are not easy to produce drug resistance, reduce the amount of chemical pesticide, save energy and other prevention and control effects. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Biological control was the core component of green prevention and control technology for plant protection. It was a method of using certain organisms or their metabolism to control pests or reduce their damage. For example, natural enemies such as insects, carnivorous spiders, carnivorous vertebrae, pathogenic microorganisms, parasitic nematodes, and some higher plants played a great role in suppressing the occurrence of pests and adjusting the balance of natural populations. They were all organisms that could be used for biological pest control. Green prevention and control refers to the overall perspective of the farmland ecosystem, based on agricultural prevention and control, actively protecting and utilizing natural enemies, worsening the living conditions of pests, improving the ability of crops to resist pests, and rationally using chemical pesticides when necessary to minimize the damage caused by pests. Through the promotion and application of green prevention and control technologies such as ecological regulation, biological control, physical control, scientific medication, etc., it can achieve the purpose of protecting biological richness and reducing the probability of pest outbreak. At the same time, it is also an inevitable requirement to promote standardized production and improve the quality and safety level of agricultural products. It is also an effective way to reduce the risk of pesticide use and protect the ecological environment. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following measures can be taken to control the microorganisms in aquatic products: 1. ** Combination of chemical preservation and low temperature **: Use chemicals that are harmless to the human body to preserve freshness, such as salting, sugar, acid, and smoking. However, it was necessary to pay attention to the selection of food supplements that met the national hygiene standards. Green and safe products such as Octasil aquatic preservation disinfectant could extend the shelf life, control the microorganisms exceeding the standard, form a protective film on the surface of aquatic products to play a role in sterilization and preservation, and had no effect on the taste of aquatic products. Only water and oxygen remained. 2. ** Comprehensive hygiene measures **: The entire chain from production to processing needs to abide by good hygiene standards, and strict requirements are required for fish and shelled aquatic animals that can be eaten raw (such as sushi, oyster, etc.). Clean and disinfect all the processing procedures thoroughly on a regular basis, including the ice-making system, the transmission and transportation system, the processing links, the freezer, and other key points. For example, when disinfecting the ice-making system, clean the water tank and water pipeline regularly, remove the deposits with a brush or high-pressure spray, turn off the ice machine to thaw and thoroughly clean and disinfect; add Octopus disinfectant after filling the water tank with new water and dilute it to 0.1%.(disinfectant/water ratio: 1:1000 = 1000pm). Stir well and fill the water tank and water pipeline. After soaking for one night, drain it. You can also increase the disinfectant concentration to shorten the soaking time. Then, use the ingredient system to inject the treated water containing Octopus disinfectant into the water tank (dosage: 30pm) to start the ice maker. 3. ** Microbiological inspection and monitoring **: Microbiological inspection shall be carried out according to the source, processing state, eating method, and inspection season of aquatic products. For example, the test of Vibro parahemolyticus shall be strengthened in the summer and autumn of fresh seafood; the inspection of salmonella, Staph. aureus, Clostridia Weiersteinsoni, etc. shall be focused on aquatic products, and sometimes Listeria montogenes shall be tested; the inspection of salmonella shall be paid attention to in freshwater fish and shellfishes; In addition to the inspection of salmonella-like bacteria and Staph. aurous bacteria, the raw materials of the surimi products should also be inspected for the origin of Bacillius cereus. For the fish sausage products, the inspection of Clostridia botulinus should also be considered. In addition to the total number of bacteria and E. Coli, foreign countries mainly tested for salmonella, Staph. Aureus, Vibrios parahemolyticus, etc. 4. ** Disinfection and sterilization in the production process **: During the transportation, storage, and processing of raw and auxiliary materials, do a good job of disinfection and sterilization to prevent microorganisms from polluting the raw and auxiliary materials; do a good job of disinfection and sterilization for the processing and packaging personnel; disinfect and disinfect the equipment and air containers that come into contact with food; strictly separate the finished products and semi-finished products to prevent secondary pollution before and after the process. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following are some of the kindergarten's emergency prevention measures: ** 1. Personnel Awareness and Management ** 1. To improve the safety awareness of all the staff, strengthen the professional ethics education, and firmly establish the idea of safety first. The safety responsibility system of the supervisor was clarified, and the full-time staff, the leaders of various departments, the team leaders, and the teachers were responsible for the safety management of the kindergarten to ensure that the safety work was carried out layer by layer. 2. Inform parents and all teachers and students about safety related rules and regulations, such as the "Student Injury Accident Treatment Methods", to enhance the awareness of active prevention and improve the ability to properly handle accidents. 3. We should actively carry out safety education and specialized education on emergency knowledge to enhance the self-defense ability of teachers and students. Every year, a specific month (such as the fourth month and the tenth month) is set as the "Safety Education Month and the Rule of Law Education Month" to focus on publicity and education. At the same time, various kinds of safety education lectures, legal education lectures, mental health education lectures, and other forms of educational activities can be held according to the actual work. ** 2. System and Plan ** 1. Perfect the rules and regulations, establish and improve the prevention and handling mechanism, and improve the "safety management system" series according to the scope of responsibility that the kindergarten may bear. This will ensure that after the accident occurs, conflicts and disputes can be resolved in a reasonable and timely manner according to the law, so that the accident can be discovered and resolved as soon as possible. 2. Prepare an emergency plan to clarify the process of dealing with emergencies and the responsibilities of each department and personnel so that they can make an Incident Response Service in time to reduce the consequences of the accident. ** III. Park facilities and environmental management ** 1. Perfect the safety and security system of the kindergarten, do a good job of internal security, and carry out comprehensive safety management of the surrounding environment of the kindergarten. You can take the initiative to contact the police station, street, business administration, cultural supervision and other departments to jointly do a good job of governance, watch your own door, manage your own people, and ensure the safety of children. 2. We will strengthen the management of kindergarten buildings, venues, and other public facilities, and provide toys, education, teaching, and living facilities and equipment for children in strict accordance with the standards set by the state. 3. We should strengthen the construction of technical defense facilities, security, hygiene and other institutions and teams in the kindergarten, and give full play to the role of technical defense facilities in maintaining the safety of the kindergarten. 4. Increase special investment appropriately, improve the conditions of kindergarten guards, food hygiene, student accommodation, etc., and strengthen the hygiene and safety management of canteens, shops, dormitories, etc. ** IV. Daily monitoring and prevention ** 1. Schools and child care institutions should strengthen the investigation of morning and afternoon check-ups and absenteeism, closely observe and monitor the physical condition of students during school, timely discover the occurrence of infectious diseases among students, isolate and manage the source of infection, and avoid continuing to concentrate on classes during the infectious period or before the infectious diseases are eliminated. Do a good job in tracking and registering the cause of absence due to illness. If it is diagnosed as flu or other infectious diseases, classes should be suspended according to the requirements. Classes should be resumed after confirming that it is not infectious. 2. The daily ventilation of windows should be strengthened, and the air circulation in public places such as classrooms, libraries, dormitories, canteens, etc. should be maintained, and necessary cleaning and disinfection measures should be equipped. 3. Carry out targeted health education, such as propaganda on the prevention and treatment of infectious diseases, and improve the self-protection awareness and ability of teachers and students. 4. Do a good job in reporting the epidemic situation. If you find a suspected infectious disease epidemic, report it to the superior department and the disease control center in the jurisdiction in time. For classes with suspected or confirmed cases, continue to monitor symptoms, manage cases, and strengthen disinfection, ventilation, etc. If 10 or more people in the same collective unit take leave due to diagnosis of flu or similar symptoms of flu, they should make a registration report and actively cooperate with the disease control department to implement various prevention and control measures. ** 5. Accident response ** 1. When a child is injured, the teacher must be able to make basic judgments. If there is no swelling or difficulty in moving the affected area, but only swelling, you can use ice compress; if the wound is bleeding, you should quickly clean the wound and stop the bleeding. Use a sterilized cotton pad to press the wound for more than 10 minutes; if the wound is relatively large, send the child to the hospital immediately and ask the doctor to do professional treatment. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

In 2019, there were many kinds of vegetable pests in the protected land. The main pests that occurred all year round were whiteflies, thrips, harmful mites, aphids and other piercing-sucking pests. The generations overlapped, the number of insects was large, the resistance was high, and the harm was serious. Occasionally, there were diamondback moths, cotton bollworms, Spodoptera exigue, Prodenia litura and other Lepidoterous pests. The cultivation environment of protected land was closed, and it was difficult for chemical pesticide to degrade and cause serious pollution. Biological control technology was an effective way to replace the use of chemical pesticide, ensure the quality and safety of vegetables, and promote green plant protection. The prevention and control goal of that year was to control and dispose more than 95% of the important pests in the protected vegetables, control more than 80% of the overall pest control effect, control the damage loss rate within 10%, and reduce the use of chemical pesticide by more than 50% compared with conventional control methods to ensure the safety of vegetable production and products. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>