How to prevent infectious rhinitis in chickens? How to recognize infectious rhinitis in chickens

1）**。When chickens have infectious rhinitis, measures such as administration and disinfection should be taken immediately to prevent the spread of pathogens. The pathogen of this disease, Haemophilus parachios, is sensitive to antibiotics and sulfonamides such as streptomycin, oxytetracycline, chlortetracycline, erythromycin, etc., and the early use of drugs has certain efficacy.

Long-term medication will produce drug resistance, and can not ** the carrier state of the chicken body, ** after a certain period of time may reverse the disease, long-term carrier, growth stagnation, egg production decline.

Sulfonamides: add sulfathiazole to the feed for 5 days, the effect is very good. Typerozin (containing 25% sulfamethoxine) has a significant effect on infectious rhinitis in chickens.

For every 50 grams of water-soluble tymetrin, add kilograms of water on the first day, change to kilograms from the second day, mix and drink throughout the day, and use it for 3 5 days. Gaoli Mixian (erythromycin thiocyanate): 90 100 kg of water per 227 grams, drink all day for 3 5 days.

Streptomycin: the first two days must be injected, 2 times a day, 200,000 units each time for adult chickens, the injection has no obvious effect for two days should be stopped, if the effect is better, the symptoms are reduced, you can switch to drinking water, plus 1 million units per kilogram of water. Injections and drinking combined for 4 to 5 days.

2) Prevention. Veterinary health should be strengthened to prevent the introduction of diseases. In areas where infectious rhinitis in chickens is endemic, immunization is carried out with infectious rhinitis vaccine in chickens.

At present, the vaccines used at home and abroad are all inactivated vaccines. There are two kinds of aluminium hydroxide glue inactivated seedlings and oil emulsion inactivated seedlings. Injected subcutaneously or intramuscularly.

The initial vaccination of the vaccine is generally around 30 days of age, and in order to prolong the immunization period of the vaccine, booster vaccination can be given. The first vaccination as the basic immunization, can prevent the occurrence of infectious rhinitis before the beginning of the chicken, the second immunization is about 120 days old chickens, can protect the whole laying period from rhinitis or less rhinitis, so not only safe, but also effective. There is no crossover between the various serotypes of Haemophilus paraformis or the cross-protection is very weak, and when a flock has more than one serotype, trial multivalent seedlings should be considered for prevention.

Aphids, also known as vegetable aphids, greasy insects, etc., including peach aphids, radish aphids and cabbage aphids, are one of the main pests of cruciferous vegetables such as cabbage.

Use silver gray film to avoid aphids. Pharmaceutical prevention and control: Commonly used agents are:

50% aphid-asciopy fog wettable powder or anti-aphid carb wettable powder, 10 18 grams per mu, spray 30 50 kg of water. This agent is specially designed to control aphids, does not kill natural enemies and bees, and is especially suitable for harvesting fields. Once net or 10% imidacloprid wettable powder, the dosage per mu is 5 10 grams to 100 kg of water.

Infectious rhinitis in chickens is an acute or subacute disease of the upper respiratory tract caused by Haemophilus parachiosis in chicken. It is characterized by inflammation of the conjunctiva or nasal mucosa, lacrimation, runny nose, sneezing, facial edema, and swelling of the infraorbital sinus, sometimes accompanied by inflammation of the lower respiratory tract.

Sulfonamides are the drugs of choice for this disease. Generally, the combination of cotrimoxazole or sulfonamide synergist with other sulfonamide drugs, or the combination of 2 and 3 sulfonamide drugs can achieve more obvious results. Erythromycin and oxytetracycline can also be used**.

At the same time, it is necessary to strengthen the management of feeding, take disinfection of chickens and drinking water to reduce the spread of the disease.

Since there are many types of rhinitis, the type of infectious rhinitis in chickens is only one of them, in fact, infectious rhinitis in chickens can be good in the right way. However, we should pay more attention to the ** program, after all, this disease is relatively special, and if you don't pay more attention, it is easy to reverse.

Infectious rhinitis in chickens is an acute respiratory infection caused by Haemophilus chicken, which is a bacterial infectious disease that occurs in many settings, especially in people who are in frequent contact. At this time, we must learn more about what chicken infectious rhinitis is.

To put it simply, chicken infectious rhinitis is a rhinitis disease caused by frequent contact with chickens, if you can avoid the contact of this infectious source in your life, it is not easy to often reverse rhinitis disease. But if the people you come into contact with are going to leave all at once, there will be a lot of trouble. Now let's learn about some ways to prevent infectious rhinitis in chickens.

First of all, it is necessary to strengthen the management of feeding, strictly follow the sanitation and disinfection measures, reduce the feeding density, strengthen the air environment, reduce contact, and it is best to gradually avoid the problem of intense contact in the subsequent life. After all, the body is prone to allergies to this condition, and avoiding contact is the best way to prevent rhinitis.

<> infectious rhinitis in chickens is a respiratory infection caused by Haemophilus chicken, which spreads rapidly by contact with sick chickens or by inhaling droplets contaminated with germs. This article describes how to prevent infectious rhinitis in chickens, as well as the best methods for infectious rhinitis in chickens.

Chickens show symptoms such as sneezing and thin watery nasal discharge at the beginning of the disease, and later the nasal fluid becomes thick and has an unpleasant odor, and after drying, it solidifies into a yellow scab around the nostrils and affects breathing.

Sick chickens often shake their heads, sometimes have symptoms such as conjunctivitis and facial swelling, and in severe cases, the upper and lower eyelids are glued together, and even blindness.

In the later stage, the sick chicken's appetite is reduced or abolished, dyspnea, emaciation, dysentery, and egg production decreases.

Sulfadimethylpyrimidine was mixed into the feed and fed according to the proportion for 3 4 days. Each sick chicken is injected with 100 200 mg of streptomycin intramuscularly once a day for 3 days. Oxytetracycline can also be mixed into the feed in proportion and fed for 3 to 4 days.

It is better to combine the drug with the surgical **. If the sick chicken only shows symptoms of rhinitis and ophthalmia, it can be rinsed with boric acid water to rinse its nose and eyes.

If there is tofu residue-like coagulation in the sinus cavity of the sick chicken, it can be cut open with a scalpel, and all the coagulated Li Heng rot can be clamped out with tweezers, then rinsed with boric acid water, and dripping with penicillin eye drops**.

Once sick chickens are found, they should be strictly isolated, and peracetic acid should be used to disinfect the chicken coop, ground and utensils.

It is necessary to do a good job in the cold and warmth of the chicken house, reasonably adjust the feeding density, feed the full price compound feed, and ensure the adequacy of vitamins and trace elements, so as to enhance the disease resistance of the chicken.

In order to prevent the occurrence of the disease, each chick should be inactivated by intramuscular injection of rhinitis oil emulsion at the age of 40 days. If each chicken is injected intramuscularly with rhinitis oil emulsion to inactivate the seedlings before laying eggs, it can protect the whole laying period from occurring or less morbidity. Stop cheating.

1. Chicken immunization.

Choose eggs that are free of disease infection to hatch chicks and ensure the health of chicks. At the same time, the purchase of chicks should do a good job in the immunization of infectious bursa bursa, infectious bronchitis, infectious laryngotracheitis and infectious rhinitis to prevent the invasion of pathogens such as mycoplasma, which is also the key to preventing chronic respiratory diseases.

2. Strengthen feeding management.

Chicken respiratory diseases are frequent in winter and spring, because the weather is cold at this time, so we must vigorously strengthen feeding management. First of all, do a good job of cold protection and warmth, and pay attention to ventilation. In winter and spring, it is necessary to increase thermal insulation and heating facilities, supplemented by appropriate ventilation, to meet the temperature of the flock and the freshness of the air.

3. Reduce stress factors.

Stress is an important factor in the inducement of chronic respiratory diseases, and these stress factors mainly include physiological stress (such as lack of adrenal corticosteroid secretion), environmental stress (such as high temperature, cold, noise, ventilation, etc.), management stress (density, capture, transportation, etc.), and health stress (such as vaccination, medication, etc.), and the occurrence of these factors should be minimized.

1. Pathogen of infectious rhinitis in chickens.

Infectious rhinitis in chickens.

The pathogen is Haemophilus chise, gram-negative, and densely infected at both poles. The bacterium is quite fragile and dies quickly outside the host. Zhongchang, the pathogen of sick chicken excrement, can only survive for 4 hours in tap water.

Chickens of all ages are susceptible, but it mostly occurs in middle-aged chickens and adult chickens, the disease mostly occurs in the cold and wet season of autumn and winter, the temperature changes suddenly, the chicken house is overcrowded, and poor ventilation is the predisposing factor for the epidemic of this disease. The disease is mainly transmitted by inhalation of germ-containing droplets, but it can also be transmitted through contaminated feed, drinking water and utensils.

2. Symptoms of infectious rhinitis in chickens.

The incubation period is 1-3 days. The severity of symptoms varies widely from epidemic to epidemic. The only symptom in mild cases is thin water from the nose.

The most obvious symptom of severe cases is serous and mucous discharge from the nasal passages and sinuses, with an unpleasant odor that, when dry, condenses into yellowish crusts around the nostrils. In rare cases, Haemophilus meningitis may occur, presenting with acute neurological symptoms and death.

3. Symptoms of infectious rhinitis in chickens.

Infectious rhinitis in chickens.

The mucous membranes of the nasal cavity and throat are inflammatory, hyperematic, often profuse, and occasionally pneumonia and balloonitis. The sinus under the frame is often filled with yellowish-white viscous secretions, the conjunctiva of the eye is congested and inflamed, and the conjunctival sac accumulates in a casey-like substance.

Fourth, chicken infectious rhinitis prevention and control measures.

1. Immunization. The use of oil emulsion to extinguish the fire and prevent the disease has a certain effect.

2. Medication or treatment. When a large flock of chickens is **, sulfathiazole can be added to the feed for 5-7 days, or yellow ampyridine can be added to the drinking water for 6 days. The disease is highly sensitive to streptomycin, adult chickens inject streptomycin 100-200 mg intramuscularly every day, light only need to be injected once, heavy cases can be injected 3 times in a row.

Streptomycin can also be taken orally, and adult chickens should be fed 100 mg for 4 days.

Chicken knowledge: infectious rhinitis and mycoplasma mixed sense, use the nasal crown to clear the lungs**?

Prevention of this disease: mainly to strengthen the management of feeding. In particular, the cold and warmth, to prevent the sudden cold and heat, the healed ** chicken can carry the bacteria for a long time, can not be kept for seeding.

In some places in China, inactivated chicken infectious rhinitis seedlings have been successfully developed, but they have not yet been popularized in rural areas.

The first choice of drug for this disease is streptomycin, which not only has a specific effect on infectious rhinitis, but also prevents secondary chronic respiratory diseases. Usage:

Adult chickens are injected intramuscularly at a dose of 80,000 100,000 units per child, once a day, for 3 days, and the general effect is: 50% of symptoms such as edema after the first injection; 90% of symptoms subsided after injection the next day; Symptoms subside completely after the injection on the third day. In order to consolidate the efficacy, it can be changed to feed or drinking water on the fourth day (according to 500,000 1 million units of streptomycin per kilogram of feed) for 2 3 days.

In addition, compound tylosin, erythromycin, doxycycline, oxytetracycline and other drugs can also be used, which also have good effects.

Infectious rhinitis in chickens is a common acute respiratory disease in small and medium-sized intensive chicken farms. The disease occurs only in chickens, with young chickens and laying hens being most susceptible. In particular, high-density breeding and cage chickens, the onset is often explosive, with strong seasonality, generally occurs in the cold and wet autumn and winter, the temperature changes suddenly, the chicken flock is overcrowded, poor ventilation, and the invasion of parasites can increase the incidence of the disease.

Chicken-to-chicken transmission is mainly caused by ingestion of feed or water that has been eaten by sick chickens, but can also be transmitted by droplets. The incidence of some caged laying hens is basically spread along the flow direction of the trough. That is, if one or several chickens become ill in one place, the first infection is from the downstream where the disease occurs, and it spreads one after another to the end of the tank.

If no ** measures are taken, the infectivity can reach 90%, the mortality rate is usually very low, and the egg production decreases 1 to 2 days after the illness.

The clinical features of the disease are: varying degrees of inflammation of the eye and nasal mucosa. Sick chickens show runny nose, watery eyes, swelling of the eyelids and eyes, and sneezing.