How to use avermectin correctly
Avermectin is a high-efficiency, low-toxic, safe, and broad-spectrum insect repellent. It has a strong repellent effect on most nematodes, ectoparasites, and other arthropods. It has an effect on internal and external parasites when taken internally, and has a good effect on exterminating external parasites when used externally, and it is not easy to produce drug resistance. Pigs, cattle and sheep gain weight after application, and they are moisturized by hair.
The insecticidal mechanism of abamectin is mainly to interfere with the neurophysiological activities of the insect body. It mainly acts on nerve and muscle joints, increases the release of chloride ions, and inhibits the transmission of information from its neuromuscular joints, resulting in paralysis of parasites and other symptoms of nerve paralysis, inactivity, inability to eat and death.
1. Choice of dosage form
Common dosage forms are powder, injection and tablet. However, it should be noted that the probability of allergic reactions and poisoning caused by the use of injections is much higher than the use of powders and tablets, so when deworming, generally choose powders and tablets.
2. Deworming newly introduced livestock
Newly introduced domestic animals or breeding animals rest for a week or so, and after they regain their physical strength, they will be dewormed once, and after 10 days, they will be dewormed once again, and then they can be grouped together.
3. Deworming of females
The initial mating females can be dewormed once about 25d before breeding, and once again about 15d before breeding.
4 Deworming of pregnant females
Under normal circumstances, pregnant females may not anthelmintic. If the parasites are seriously damaged or must be anthelmintic, you can choose to anthelmintic about 30 days before the delivery of pregnant females. It is better to choose tablets and powders, and the dosage is normal. 2/3.
5 Deworming of bulls
The deworming of males depends on their breeding and body condition. In principle, deworming is carried out twice a year, and it can be re-driven once every 10 days.
6. Deworming of raised animals
Deworming of reared animals is carried out once every six months, and once again after 10 days. No more deworming within one month before sale.
7 Deworming of young animals
Unweaned young animals are vulnerable to stress and allergic reactions due to their inadequate resistance function. In general, they do not anthelmintic, so it is important to do the anthelmintic work of the mother animal before birth, which can make the young animals short before weaning. The protection of time; if you must repel insects under special circumstances, you can choose protective deworming, and the dosage of drugs should be used strictly in accordance with the instructions for use. Tablets and powders are best used in the dosage form. Young animals after weaning should be dewormed within 10 days after weaning.
8 Deworming of animals
Deworming herds twice a year, the first time can be carried out in early spring (February to March), and can be driven once again after 10 days to prevent the emergence of larvae "spring climax"; the second time can be Choose to repel insects in autumn (August to September), and repel them once again after 10 days. This not only prevents the "autumn climax" of adults, but also reduces the "winter climax" of larvae. In some areas with severe parasitic pests, an additional anthelmintic may be added in May to June; if the herd is infected with other parasites such as flukes, other corresponding drugs must be selected.
9. Disposal of domestic animal waste after deworming
After deworming, the feces of domestic animals should be cleaned up in time to accumulate fermentation, so as to avoid the unkilled parasite eggs causing secondary
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