Symptoms and prevention of mites in dogs

Nov 26,2023
9Min

Dogs are man’s best friends, and now more and more people have a pet dog as a companion at home. However, while pets relieve loneliness and bring happiness to their owners, they also make their owners worry. Especially when their dogs are sick, their owners are often as anxious as ants on a hot pot. Dog mites are such a disease that worries owners, so how to eliminate dog mites?

Chinook

1. Key points for diagnosis of canine mite disease

Canine mange disease is also called scabies. Sick dogs initially present with red skin and small red nodules. When the blisters burst, a thick yellow oily substance will flow out. Since canine mite disease has a long course and is very difficult to treat, how should we judge whether a dog has mite disease at the beginning of the disease?

When the symptoms of canine mange disease are not obvious enough, you can take the scab on the skin of the affected area to check whether there are worms. Inspection method: Use a scalpel to scrape off the scab at the junction of the disease and health until it bleeds slightly. Put the scraped disease material into a tube, add 10% caustic soda (or caustic potassium) solution, boil it, and wait until the hair and scab appear. After most of the skin and other solid matter has dissolved, let it sit for 20 minutes, suck the sediment from the bottom of the tube, drop it on a glass slide, and examine it with a low-power microscope.

2. Clinical symptoms of canine acariasis

Canine acariasis is also called canine scabies, which is what we often hear as "mangy dog ​​disease". The pathogen is scabies mites or ear mites, which are generally more common in dogs with poor breeding conditions. Don’t think that canine mange disease is just a simple skin disease. If not treated in time, it can also cause your dog to lose weight or even die.

When dog scabies mites are parasitic, they first start from the head, mouth, nose, eyes and ears, and gradually develop to the chest and body. The skin is itchy and red, with papules, thickened skin, scaly skin, yellow scabs, abrasions and hair loss. The affected dogs appear Scabby, restless.

Canine ear itch mites parasitize in the external auditory canal, suck the exudate in the ear, produce scabs, and secondary bacterial infection. The lesions develop to the middle ear, inner ear and meninges, causing the dog to shake his head uneasily, scratch his ears, break the skin and discharge, and the scabs become enlarged. Accumulation, odor, etc.

The symptoms caused by canine Demodex can be divided into four stages. dry patch stage, scaly stage, pustular stage and ordinary stage. In the first and second stages, hair loss occurs mainly on the head, eyelids and legs. The skin becomes thickened, red and has bran-like scales, and then the skin turns reddish brown. The third and fourth stages are after bacterial invasion. The affected area will become suppurated, scabbed, wrinkled, hairless, and spread all over the body. Eventually, death may occur due to anemia or poisoning.

3. Treatment principles of canine mite disease

Canine mange disease is generally more common in puppies, and it can also become very serious after the onset.Since canine mite disease is very contagious and is a contact infection, if you are not careful, it will be transmitted to the owner. Therefore, during the period when the dog is sick, be sure to isolate it from other dogs. So how should dog mites be treated?

First, injection: miticide, ivermectin injection (to kill or kill mites). 0.04-0.08ML/KG, anti-inflammatory: lincomycin 0.1ml/kg+dimi

Second, oral medicine (for cases with relatively itchy and slightly severe infections): cefradine (depending on the dosage). Prednisone twice a day, taken in the morning

Third, medicated bath treatment: once every 3 days, it is best to use a brush (drugs to remove mites include mite removal, mitamidine, etc.). For the treatment of ear mites, there are better French VIC Ear Canal Guards, etc. .

4. Key points for prevention of canine mite disease

Dog mange disease is most common between April and October, especially when the weather is humid and dogs live in a dark and unventilated environment, they are easily infected with the disease. Since canine mange disease is a contact infection, if there are other animals in the home, you must pay attention to isolation.

1. When purchasing a dog, it must be inspected or quarantined for a period of time (20 to 30 days) to confirm whether there is mite disease.

2. Keep the room clean, dry, ventilated and light-transparent. Especially in summer, you should pay attention to moisture-proof and prevent excessive humidity.

3. Pay attention to daily disinfection, such as cleaning, disinfection and replacement of cages and pads, indoor spray disinfection, etc. Maintain dog skin hygiene and strengthen feeding and management.

4. The environment around the animal room should be clean and hygienic to prevent the intrusion of external animals (especially rats) and eliminate all conditions where pathogens may be carried, stored and spread.

5. Canine scabies mites are very harmful to the dog breeding industry, not only affecting the normal breeding and production of dogs, but also affecting the use value of dogs. Therefore, the characteristics of mite diseases should be combined to strengthen feeding management and treatment to prevent and control the occurrence of mite diseases.

(1) Mite disease spreads quickly. Once it occurs, it can spread quickly. Therefore, in daily actual breeding, prevention should be the main focus to prevent the occurrence of this disease.

(2) Mites are highly resistant to adverse external factors and can survive for a period of time under suitable temperature and humidity. After leaving the host, ear mites can survive for 5 to 7 days in an environment of 37°C, 12 to 15 days in an environment of 22°C to 24°C, and 4 to 5 days in an environment of 4°C. They also crawl quickly, so they are useful in treating mites. When you are sick, you should also pay attention to killing the mites scattered in the dog room, clothing pads, cages, and cage racks, so that you can get twice the result with half the effort and achieve the goal of eradicating the mite disease.

(3) Although avermectin can kill mites parasitic on dogs, if there are mites in the environment such as the bamboo board at the bottom of the cage and the cage furniture, you may still be infected again.Infected dogs, so environmental disinfection is very important during treatment.

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