China's economy is developing rapidly, and the breeding technology in the animal husbandry industry is also constantly improving. However, due to the poor breeding conditions of cattle and sheep farmers in China, the epidemic prevention and disinfection is not perfect, which makes the infection rate of cattle and sheep parasitic diseases higher. The yield and quality of sheep products cause harm. The quality of cattle and sheep products is not up to standard, but the death of cattle and sheep is caused by it. It even causes zoonosis and affects human health. Therefore, we must pay attention to and strengthen the prevention and control of common parasitic diseases in cattle and sheep.
1. Coccidiosis and control measures
Coccidiosis is an insect-borne disease transmitted by ticks. Usually, the coccidia will be parasitic in the red blood cells of the host, and the diseased cattle and sheep will have symptoms such as anemia and hyperthermia, accompanied by weight loss, loss of appetite, and termination of lactation. There are a large number of coccidia in the inner body of sick cattle and sheep, and they breed in the pupa. The disease is mainly caused by bites, usually concentrated in July to September.
For the treatment of coccidiosis, it is possible to use intramuscular injection, according to the actual weight of cattle and sheep, intramuscular injection, once / d, continuous injection for 3d; with Bernier injection, the dose of cattle is 5mg / kg, the dose of sheep is 4mg /kg, all are injected intramuscularly. Because Benier has certain side effects, it is necessary to master the injection dose. If the cattle and sheep have adverse reactions (poisoning), they can use detoxification and atropine for detoxification.
2, helminthiasis and prevention measures
Worm disease is one of the most common and most harmful parasitic diseases of cattle and sheep. The helminthiasis includes many species, such as trematodes, worms, and nematodes, which are distributed throughout the country. The damage of worm parasites on various internal organs of cattle and sheep is mostly unrecoverable. The worm disease has a very large livestock production. The diseased cows have reduced production by more than 10% and the sheep's hair production rate has decreased by more than 8%. Furthermore, if it is an acute helminthiasis, it often causes the death of cattle and sheep. Double-chambered worms and liver flukes are deposited in the liver, which can aggravate the symptoms.
The prevention and treatment of helminthiasis can be treated with highly effective anthelmintic drugs. Intramuscular injection of insect nemesis, the dose of beef and sheep is 0.2mg/kg. Insects can not only prevent helminthiasis, but also treat a variety of parasites in cattle and sheep. Levomisole injection, the dose of cattle is 7~10mg/kg; the dose of sheep is 5~14mg/kg, all of which are intramuscularly injected.
3, cattle and sheep nose fly disease and prevention methods
Bovine and female snails are mainly parasitic in the nasal cavity of cattle and sheep. The sick cattle and sheep have symptoms such as sneezing and runny nose, and they are not treated for a long time. The cattle and sheep will have purulent runny nose and severe pneumonia. symptom. The mortality caused by nose fly disease is low, and the mortality rate will increase if pneumonia occurs.
Dichlorvos can be used to control bovine and fescue, and since the flies are an ectoparasite, smoke smoke treatment can be used. Place 1m L of dichlorvos into the container, place the container in a high place, ventilate, and close the breeding site. Pay attention to the amount of dichlorvos, otherwise it will cause poisoning of cattle and sheep. However, the probability of poisoning in actual applications is very small, and even lambs, calves, etc. are rarely poisoned.
4, sputum diseases and prevention methods
The sputum-derived disease is usually caused by parasitic mites on the epidermis of cattle and sheep. By sucking the blood of cattle and sheep, the cattle and sheep are invaded and other diseases are caused. Aphids are also the main media of coccidia and rickettsia, and they are very destructive.
The sputum-type disease can be controlled by enemy killing, and the enemy killing solution can be adjusted to 2.5% concentration. According to 1ml of water, 1m L solution is poured into the ground, wall surface, etc. of the cattle and sheep breeding base, and the mites are gradually reduced. Quantity. The treatment period is 1 time / 15d, and can prevent the effect.
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