It is divided into three categories: insect-resistant, antigenic and insecticidal.
2. Parasitic diseases of livestock and poultry are extremely harmful, causing immeasurable economic losses to the national economy. Parasitic disease, no
It not only causes a large number of livestock deaths, but also seriously affects the growth rate of animals, and reduces the quality and quantity of livestock products such as milk, meat, eggs, hair and skin. Some people and animals suffer from parasitic diseases, which can directly threaten human health and life safety.
3. The ancient antiparasitic drugs, mostly from natural plants and minerals, have been gradually eliminated because of their limited antiparasitic effect and great toxic reaction to the host. In recent years, with the rapid development of science and technology, new antiparasitic drugs have appeared constantly, providing a powerful weapon for controlling and eliminating parasitic diseases. When choosing antiparasitic drugs, we should not only know the role of parasites, their toxicity to the host and the pharmacokinetic process in the host, but also master the epidemiological data of parasites, so as to choose the best parasites, the most suitable dosage forms and dosage, so as to achieve the best antiparasitic effect and avoid or reduce the occurrence of adverse reactions.
4, prevention and control of livestock and poultry parasitic diseases must formulate feasible comprehensive prevention and control measures, the use of antiparasitic drugs is only comprehensive prevention and control.
It's just an important part of the treatment. Therefore, the policy of "prevention first" should be implemented for parasitic diseases, such as strengthening feeding management, eliminating all kinds of pathogenic factors, improving the sanitation and environmental sanitation of livestock houses, strengthening the management of stable manure, eliminating infectious agents and intermediate hosts of parasites, implementing a reasonable rotation grazing system in conditional pastoral areas, and actively carrying out biological control and immune prevention.
5, the implementation of comprehensive measures, in addition to relying on popular science propaganda work, improve people's consciousness, should also strive for the strong support of administrative departments at all levels, in dealing with serious parasitic diseases, should abide by the law, compulsory execution.