Indications. The vaccine that is available consists of two injections given subcutaneously several weeks apart. In adult birds, especially males, the edema may extend to the intermandibular space and wattles. I believe I would go with Tylon 50. Indications: For the treatment of heartwater, anaplasmosis, pneumonia, footrot, joint-ill, navel-ill, pink eye (infectious bovine keratoconjuctivitis) in cattle. She seemed to be on the mend this morning but this evening one of her eyes looked cloudy/weepy and I noticed a foul smell as I was giving her the meds. The following gram-negative microorganisms: Pasteurella pestis, and Pasteurella tularensis. Patients placed on intramuscular oxytetracycline should be changed to the oral dosage form as soon as possible. Please enter your email address below to create account. josh altman hanover; treetops park apartments winchester, va; how to unlink an email from discord; can you have a bowel obstruction and still poop 1996-2023 RxList, Inc. All rights reserved. A real-time version of the PCR assay is available. Fowl cholera and infectious coryza are two diseases backyard flock owners should be aware of and guard against in order to maintain a healthy, productive flock. Infectious coryza is also referred to as a cold in chickens, but, while humans do catch colds, it is not the same strain of cold as in chickens. JavaScript is disabled. Gastrointestinal:anorexia, nausea, vomiting, diarrhea, glossitis, dysphagia, enterocolitis, and inflammatory lesions (with monilial overgrowth) in the anogenital region. Available As. These reactions have been caused by both the oral and parenteral administration of tetracyclines. If you want to know more about chickens, quail, and goats, The Happy Chicken Coop is the place to be! Code Ann. This means that any new birds added to the flock can become infected. 25-61-19, Fowl Cholera And Infectious Coryza in Backyard Flocks. Zoetisus explains that Terramycin is the registered brand name for the drug oxytetracycline Hydrochloride. Local irritation may be present after intramuscular injection. Additionally, several newer-generation antimicrobials (eg, fluoroquinolones, macrolides) are active against infectious coryza. Normally, a single treatment of 1 mL/10 kg BW . Next step is bleach coop and remove all material from the run. Usage in pregnancy. It can also be spread by wild birds, so try to keep them out of the chickens area as much as is possible. Enter search terms to find related veterinary topics, multimedia and more. Coryza is primarily transmitted by direct bird-to-bird contact. TERRAMYCIN Ophthalmic Ointment with Polymyxin B Sulfate is indicated in dogs and cats with superficial ocular infections, such as conjunctivitis, keratitis, pink eye, corneal ulcer, blepharitis and bacterial inflammatory conditions that may occur secondary to other infectious diseases. Transmission is by direct contact, airborne droplets, and contamination of drinking water. Hello and thank you for all the good information! Find patient medical information for CoryZa-DM oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Emergencies / Diseases / Injuries and Cures, https://www.backyardchickens.com/forum/viewtopic.php?pid=2835837, https://www.backyardchickens.com/seORID:10&ie=ISO-8859-1&q=coryza&sa=Search#1232, Wyandotte making loud noises, with beak open & neck reaching, Indoor Bantam Serama not eating/balance issues, prayer warriors (following Jesus Christ, everyone welcome), Family Life - Stories, Pictures & Updates, Miserable, puffed out 3 y.o. Dose: Single treatment of 1 ml per 10 kg body weight (20 mg/kg BW by deep intramuscular injection. Keep birds confined and away from wild birds and animals. Birds that have recovered from the disease can harbor the bacteria for a long time (or permanently) in the absence of any clinical sign (asymptomatic carriers). o [ canine influenza] Coryza is usually an acute disease but can be chronic in some birds leading to recurrent outbreaks over long periods of time. Squeeze the medication so that it falls into the pocket created by the lower eyelid. After this is done provide this medicated mixture of Baytril and water as the only source of water for your Birds. For information about the website contact webteam@ext.msstate.edu. Company Zoetis Philippines, Inc. There are other differences between chicken coryza and human coryza as we shall see. She also seemed to be doing much less beak breathing today but now tonight, shes doing it more again. document.write(new Date().getFullYear()) All rights reserved. The disease is seldom seen in chickens under 4 months of age but is commonly seen in turkeys at younger ages. The first step that every chicken owner should take in prevention is vaccination. Other similar drugs include Chlortetracycline, Tetracycline, and Doxycycline. Fowl cholera is not considered a high-risk disease for humans because of differences in species susceptibility to different strains of Pasteurella multiocida. Treat with Tylan 50 like stated above. The vaccination will prevent the disease from manifesting, but those birds will be considered carriers for life. 17 reviews Check Stock in Store. Transmission does not occur via eggs. Although it is not as devastating to a flock as Mareks or lymphoid leucosis, it can be equally as deadly to your older or weaker birds or birds with suppressed immunity. Staphylococcus aureus , skin and soft tissue infections. It is a broad-spectrum antibiotic in ophthalmic ointment form. Please confirm that you are a health care professional. For a better experience, please enable JavaScript in your browser before proceeding. This can be done plating the samples on blood agar plates cross streaked with a Staphylococcus culture following overnight culture at 37C in anaerobiosis. 24-tablet boxes. They have not been added here since there are far too many to include. Birds that have recovered from the disease remain carriers of the organism and may occasionally shed the bacteria during their lives. As the course of the disease prolonged, the sinuses on one or both sides were swollen, the eyelids were swollen, and the nostrils flowed with viscous secretions. The 3rd day after I put them in my teenager pen they started to have nasal discharge and were having trouble breathing. I did see another chick peck at this spot on the sick chicks face and originally thought that might be the reason for swelling. In this day and age, we can transport a bird across the country in a couple of days, as a result, the disease can spread quickly across the country. The infected birds may have relapses from time to time and require antibiotic therapy. You can in dire need, 100 milligrams per day not for 4 days, not anymore than 4 days. It kills bacteria, which helps to improve your symptoms and cure the infection. They have both been isolated, but several days after symptoms were first seen. This will make it easier for you to go about your daily activities. It is not known if Terramycin is safe and effective in children younger than 8 years of age. Fusobacterium fusiforme (Vincent's infection). A veterinarian can run tests to be certain of the disease you are treating and that the prescribed medicine is the most appropriate to use. In addition, birds can also catch the disease . THE USE OF TETRACYCLINES DURING TOOTH DEVELOPMENT (LAST HALF OF PREGNANCY, INFANCY, AND CHILDHOOD TO THE AGE OF 8 YEARS) MAY CAUSE PERMANENT DISCOLORATION OF THE TEETH (YELLOW-GRAY-BROWN). Mississippi State University is an equal opportunity institution. You can find this here: The incubation period is around 1-3 days this is followed by rapid onset of symptoms over 2-3 days. The store will not work correctly in the case when cookies are disabled. Because serovars A, B, and C are not cross-protective, it is essential that bacterins contain the serovars present in the target population. These will help but they wont cure. It cost me the lives of two of my existing flock and this same girl is now a carrier. Wild waterfowl and shorebirds are often asymptomatic carriers. 4. Therefore, use common sense; wear gloves and thoroughly wash skin surfaces when and after handling birds that have died from fowl cholera. In addition, human consumption of meat or eggs derived from birds contaminated with Avibacterium paragallinarum presents no risk for human health. 25-61-19, This site was last modified on: Mar-04-2023 5:25 pmhttps://extension.msstate.edu/publications/fowl-cholera-and-infectious-coryza-backyard-flocks, STEM Science Technology Engineering and Math, Thad Cochran Agricultural Leadership Program TCALP, Mississippi County Elections: Election Prep 101, Extension Center for Economic Education and Financial Literacy, Creating Healthy Indoor Childcare Environments, Plant Diseases and Nematode Diagnostic Services, Chicken flock, wild bird infections linked to HPAI, Egg prices responding to high demand, lower supply, Poultry production value falls just short of $4B, Poultry producers are extra cautious after HPAI case, MSU Extension receives $10M grant for climate-smart project, Calibrating Poultry Litter Spreading Equipment, Nutrient Content in Mississippi Broiler Litter, Private Water Well Placement and Sizing for Poultry Production, Legislative Update: Miss. It has been described as a severe cold, but it can be much, much worse in both its short and long-term consequences. (minimum inhibitory concentration) is not more than 4.0 mcg/ml and intermediate if the M.I.C. Coryza is primarily transmitted by direct bird-to-bird contact. It is one of the most versatile of the broad-spectrum antibiotics, and is effective in the treatment of infections due to gram-positive and gram-negative bacteria, both aerobic and anaerobic, spirochetes, rickettsiae, and certain of the larger viruses. If the disease becomes wide-spread in a region, there are commercial bacterins (a type of vaccine made with inactivated bacteria) available. For the treatment of heartwater, pneumonia, footrot, joint-ill and navel-ill in sheep and goats. Questions about equal opportunity programs or compliance should be directed to the Office of Compliance and Integrity, 56 Morgan Avenue, P.O. Mycoplasma pneumoniae (PPLO, Eaton Agent). Equipment moved from one house into another may also transport infective bacteria. Use to remove results with certain terms I have a young pullet thats being treated for a respiratory infection and has been on an antibiotic (primor) for a little over 24 hrs. Usage in newborns, infants, and children. [4] The inflammation is caused by viruses, bacteria, irritants or allergens. Since bacteriostatic drugs may interfere with the bactericidal action of penicillin, it is advisable to avoid giving tetracycline in conjunction with penicillin. Assistant professor, The Pennsylvania State University. As with other antibiotic preparations, use of this drug may result in overgrowth of nonsusceptible organisms, including fungi. The morbidity (proportion of affected birds) is high and is not uncommon to observe most of the birds showing disease symptoms. Poor, unsanitary housing and overcrowding exacerbate the problem and the bacteria can proliferate in the coop if the circumstances are right. "usually used in calves"- . This reaction was shown to be reversible when the drug was discontinued. Terramycin Eye Ointment is a medicine that helps to treat eye infections caused by bacteria. MIX THOROUGHLY WITH OTHER FEED INGREDIENTS. It is most prevalent in commercial flocks in California and the southeastern states, although flocks in the northeast have experienced notable outbreaks. Facilities are disinfected before new next group of new animals are added. Copyright 2023 by RxList Inc. RxList does not provide medical advice, diagnosis or treatment. Such programs move all animals of the same age at the same time. Poor nutrition or hygiene will really increase the mortality rate as will overcrowding or poor housekeeping. Therefore, tetracyclines should not be used for streptococcal disease unless the organism has been demonstrated to be sensitive. I have never used Baytril for anything (I have a no-treatment policy for respiratory illness), so can't help with dosage. The course of the infection can run from a few days to a few months depending on the severity of the infection and the resistance of your flock. This disease primarily affects chickens, but quail and pheasants may also be affected. There are several signs of infectious coryza. Its been 3 days since I separated them. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. The nasal cavity and sinus mucosa showed acute catarrhal inflammation, congestion and swelling, and a large amount of mucus was covered on the surface. In the mildest form of infectious coryza, the only signs may be listlessness, a serous nasal discharge and occasionally slight facial swelling. What was your method of quarantining and cleaning the coop? It is effective in some infections of the lungs, urinary tract, eyes, and others. It may not be easy to let them know, but if a wild bird happens to contract coryza from your flock, and carry it over to the neighbors farm, at least you can help them catch the problem quickly. Hold the medication in your dominant hand. Product Description. Delivery within Philippines. The infectious coryza vaccine is given through the breast or thigh starting at 8-16 weeks old. I use a 20 gauge needle because the medication is so thick. A clean, dry, and draft-proof environment can help the birds fight off infection and maintain their health. Efficacy of commercially available Coryza vaccine against challenge with recent South-Africa NAD-independent isolates of Haemophilus paragallinarum in chickens.Journal of the South African Veterinary Association, 71(2) 109-110. Plus Skin Ointment 5g 321.75 . . Overview of Infectious Coryza in chickens, Foul-smelling, thick and sticky discharge from the nostrils and eyes. Foul-smelling, thick, sticky discharge from the nares and eyes. Infected flocks are a constant threat to uninfected flocks. Infectious coryza is a specific, chronic or acute respiratory disease of chickens, pheasants, and guineas that occurs most often in semi-mature or adult birds. Mainly the face, eyelids, and meat beard are obviously edema. The Merck Veterinary Manual was first published in 1955 as a service to the community. In countries such as the US, the disease is seen primarily in pullets and laying hens and occasionally in broilers. No suitable serologic test exists; a hemagglutination-inhibition test exists but is not preferable to other methods. It appears to be concentrated in the hepatic system and excreted in the bile, so that it appears in the feces, as well as in the urine, in a biologically active form. This work is supported in part by New Technologies for Agriculture Extension grant no. (See " WARNINGS "). Terramycin (Oxytetracycline Hydrochloride and Polymyxin B Sulfate Ophthalmic Ointment) is an antibiotic, bright yellow in color, possessing potent antimicrobial activity. Could it be anything else? Humans do not catch infectious coryza from their chickens. mycoplasmosis Mycoplasmosis in Poultry Mycoplasmas are bacteria that lack a cell wall, are small in size, and have the smallest genome among all independently replicating forms of life .Because of their small genome and the lack read more, laryngotracheitis Infectious Laryngotracheitis in Poultry Infectious laryngotracheitis (ILT) is an economically important respiratory disease of poultry. Controlled exposure to live organisms also has been used to produce protective immunity in layers in endemic areas. Use OR to account for alternate terms an infection of the skin and the tissue below the skin. Although antibiotics can be effective in reducing clinical signs of the disease, they do not eliminate the bacteria from carriers. Conjunctivitis (bubbles at the corner of the eye). For those of you who like scientific details, the bacterium is a Gram-negative rod-shaped bacillus and belongs to the Pasteurella family. The link you have selected will take you to a third-party website. It is important to follow the labels on any medication. TerramycinVP eye ointment for cats, dogs & horses 1/8oz with Vetericyn Eye Wash 3oz and OptixCare 50ct Eye Wipes Tear Stain Remover - Eye drops for infection Complete Ophthalmic Master Set 4.8 (68) $4945 Save more with Subscribe & Save FREE delivery Wed, Mar 8 Small Business Terra Pet Eye Health Ointment Eye Drops for Dogs 1/8 Oz 4.4 (40) The discharge from her eyes is thick and sticky. Merck Veterinary Manual. Typical signs of coryza include the following: In addition, the eyelids of an infected bird can become irritated and might stick together. Mortality from the disease is usually low, although significant economic losses can result from large numbers of cull birds and decreased egg production. Oxymav B is the most trusted way to get onto of illness caused by bacterial infection. I brought home 6 pullets a 5 days ago. ADULTS: The preferred sites are the upper outer quadrant of the buttock, (i.e., gluteus maximus), and the mid-lateral thigh. Infectious coryza is an upper respiratory disease caused by Avibacterium paragallinarum affecting chickens. Photosensitivity manifested by an exaggerated sunburn reaction has been observed in some individuals taking tetracyclines. When bringing in replacement birds on a farm that has had infectious coryza, it is recommended that all the birds be vaccinated. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic people. Because coryza is caused by bacteria, antibiotics can be used to treat a flock. Ingredients Present in Terramycin. Jacobs, A.C.C., Werf, J. van der, 2000. I believe the dose for adult birds is 1/2 cc. The disease apparently affects only chickens; reports in quail and pheasants likely describe a similar disease caused by a different bacterium. Because early treatment is important, immediate administration of medication via drinking water is recommended until medicated feed is available. Streptomycin has become the accepted treatment against infectious coryza on progressive commercial poultry farms, and poultrymen resort to it before the disease is able to depress production by more than 10 to 20%. Infectious coryza is an upper respiratory disease caused by Avibacterium paragallinarum affecting chickens. 7 to 10 days treatment should be effective and start to show results after three days or so. Strengthen feeding management Adequate directions for safe and effective use by the layperson have been provided on the label of the TERRAMYCIN 200 for Fish product, which contains oxytetracycline dihydrate. Most outbreaks occur as a result of mixing flocks. Terramycin 200 is indicated for in-feed dosage of poultry, pigs, sheep, calves and cattle for the treatment and prevention of diseases due to, or associated with Terramycin sensitive organisms. I would give it more time than too little. Note: Catarrh is the inflammation of the mucus membranes. Merck & Co., Inc., Rahway, NJ, USA(known as MSD outside of the US and Canada) is dedicated to using the power of leading-edge science to save and improve lives around the world. It does not spread to humans so there is no concern for public health involvement. 'Swollen Face' (Infectious Coryza) One of the most common diseases that I have seen in the field particularly in layers is Infectious Coryza. Prevention is the only sound method of control for infectious coryza. A catalase specific test is essential as nonpathogenic hemophilic organisms, which are catalase-positive, are present in both healthy and diseased chickens. Id like more information on a draft free coop with winter coming. Free Standard Shipping is available for Preferred Plus Neighbors on most orders over $29 made online or in the TSC App. Allow contaminated locations or yards to remain empty for at least 3 months. Copyright 2023 Mississippi State University Extension Service. Terramycin also treats eye infections that result from body-wide infectious diseases, such as distemper in dogs. Total price: This item: Zoetis Animal Health Terramycin Antibiotic Ophthalmic Ointment 1/8 oz. After the affected flock is removed, clean and disinfect the premises and wait at least 3 weeks before repopulating. The one thing you should watch for is blurred vision. In humans, the cold is viral in nature. Coryza (often called a cold) more commonly occurs in game fowl flocks. VIEWS. 100-tablet boxes. Do I need antibiotics for this to go away? Diarrhea may occur. The legacy of this great resource continues as the Merck Veterinary Manual in the US and Canada and the MSD Vet Manual outside of North America. Exposure of nave birds to birds that have been infected previously is perhaps the most common mechanism for disease transmission in regions where infectious coryza is prevalent. Oxytetracycline is indicated for treatment of infections caused by the following gram-positive microorganisms when bacteriologic testing indicates appropriate susceptibility to the drug: Up to 44 percent of strains of Streptococcus pyogenes and 74 percent of Streptococcus faecalis have been found to be resistant to tetracycline drugs. It may not display this or other websites correctly. There may be varying degrees of rales depending on the extent of infection. If your flock gets infectious coryza and you choose not to cull all the birds you need to be aware that any new birds added to the flock will almost certainly become infected unless you vaccinate. I have a hen that exhibits all of the symptoms and another that only show a few symptoms. If you have no intentions of adding any other birds to your flock then you should be ok. Just watch the rest of the birds closely. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. Other potentially hepatotoxic drugs should not be prescribed concomitantly. Join More Than 15,000 Chicken Enthusiasts Who Have Already Subscribed. For the best experience on our site, be sure to turn on Javascript in your browser. Assistance is available if you are concerned about fowl cholera or infectious coryza in your backyard flock or need help with disease diagnosis. As with all intramuscular preparations, Terramycin (oxytetracycline) Intramuscular Solution should be injected well within the body of a relatively large muscle. It relieves symptoms such as pain, redness, itching or soreness caused due to eye infections. The 10 Best Natural Routes To Cure A Coryza Include: Apple Cider Vinegar Garlic Ginger Honey Turmeric Milk Juices Humidifiers Essential Oils Green Tea . We bought 12 pullet chicks exactly one week ago. Under such conditions, lower than usual total doses are indicated and, if therapy is prolonged, serum level determinations of the drug may be advisable. After drying, they formed yellow pus, with an unpleasant odor and difficulty breathing. My flock is closed now as they are all inadvertently carriers because of this one girl i bought. Deer: 1 mL/10 kg BW by deep IM inj. It is also exceptionally effective in the treatment of respiratory infections. Just want to be sure you are aware that Coryza is a carrier disease, so recovered birds are carriers and can infect others even when they are asymptomatic. The antianabolic action of the tetracyclines may cause an increase in BUN. Subscribe my Newsletter for new blog posts, tips & new photos. In addition, coryza will often complicate and increase the severity of other diseases such as mycoplasmosis. There are 3 serotypes of A. paragallinarum: A, B and C which is very important when immunizing the birds against this disease. When conjunctivitis occurs, the conjunctiva is congested and swollen, and there is also necrosis inside, which can cause blindness in the eyes. Wattles may also be inflamed, and the infraorbital sinuses may be distended with exudate. Erythromycin and oxytetracycline are usually effective. Terramycin belongs to a class of drugs called Antibacterial. The main preventive strategies are all in/all out management and sound biosecurity measures combined with appropriate vaccination. infection due to a Brucella bacteria. This is especially common on smallholder operations. For use with. Infectious coryza, which is also referred to as a cold or roup, is caused by the bacteriumHaemophilus paragallinarum. This vaccine must match the serotype of A. paragallinarum isolated from previous local outbreaks. The bacteria can easily hitch a ride back to your flock! Then your hens will need a second booster four weeks later. Its also fair to share the upsetting news with fellow neighbors who have poultry or game birds so they can be aware of the outbreak. Terramycin eye ointment is a broad-spectrum treatment for eye infections in cats suffering from a range of eye conditions from conjunctivitis, keratitis, and pink eye, to corneal ulcers, blepharitis and bacterial inflammatory conditions that may occur secondary to other . Outbreaks commonly result when infected birds that are not showing any signs of the illness are brought into a healthy flock. Google Scholar. The disease is mainly transmitted by the excrement of the respiratory tract and digestive tract of sick chickens. In chickens, it is caused by a bacterium specifically Avibacterium (Haemophilus) paragallinarum. Good management, rigorous sanitation, and a comprehensive. SHARES. Terramycin is a prescription tetracycline antibiotic that treats various bacterial infections.This broad-spectrum antibiotic is effective against many common types of bacteria including stomach bugs like E. coliand E. histolytica, bacteria that cause conjunctivitis, and the germ responsible for spotted fever.. Tetracyclic antibiotics like Terramycin hinder bacteria's ability to synthesize . The bird will always be a carrier. Blood:Hemolytic anemia, thrombocytopenia, neutropenia, and eosinophilia have been reported. for your help. CHILDREN: It is recommended that intramuscular injections be given preferably in the mid-lateral muscles of the thigh. Bulging fontanels in infants and benign intracranial hypertension in adults have been reported in individuals receiving full therapeutic dosages. TERRAMYCIN. Terramycin, a prescription drug, is manufactured in various forms such as Ointment,Capsule,Injection. Vaccines are available, but multiple vaccinations are required to be effective. We have put the information into a question-and-answer format as the information seems to flow easier this way. Sick chickens (especially chickens with chronic diseases) and recessive chickens are the main sources of infection. The ointment also contains Polymyxin B Sulfate, an additional antibiotic. Dairy. You should apply the medication 2-4 times daily. Navigazione toggle Maybe someone else has this problem. I used it when my old flock caught it and their symptoms cleared up in 48 hours. (2) How to use chicken coop ventilation mode? Indications: Terramycin is indicated for the prophylaxis and local treatment of superficial ocular infections due to oxytetracycline and polymyxin-sensitive organisms, including infections due to streptococci, rickettsiae, E. coli, and A. aerogenes , such as conjunctivitis, keratitis (inflammation of the front surface of the eye or cornea), pink Terramycin You can treat coryza in chickens with Terramycin, a steroid medication. The Oxymav B Antibiotic is a must have for all owners of Caged Birds. And pray. Commercial farms without such flow and multiple-age flocks may continue to see outbreaks of the disease. When cultured on blood agar with a staphylococcal nurse colony that excretes the V-factor, the satellite colonies appear as dewdrop shapes, growing adjacent to the nurse colony. (See above " WARNINGS " about use during tooth development.). A decrease in the fibula growth rate has been observed in prematures given oral tetracycline in doses of 25 mg/kg every 6 hours. I hope my girl makes it through this bout as she did two years ago. Terramycin may cause serious side effects including: Get medical help right away, if you have any of the symptoms listed above. 6044, Mississippi State, MS 39762, (662) 325-5839. Terramycin, also known as oxytetracycline, is most commonly available as an ophthalmic ointment to treat bacterial eye infections in cats, dogs, sheep, cattle and horses. Although antibiotics can be effective in reducing clinical signs of the disease, they do not eliminate the bacteria from carriers. Control Intramuscular therapy should be reserved for situations in which oral therapy is not feasible. We are waiting for it to dry. Buy now pay later with Atome . . Infection may result in a slow-spreading, chronic disease affecting only a small number of birds at a time, or an acute, more rapidly spreading disease with a higher percentage of birds affected. Can't find another blasted vet in the area that will even talk to me about my "exotic animals". it is effective in killing Gram-positive and Gram-negative . What does tylosin treat in chickens? In addition to the use of drugs for the prevention and treatment of chicken diseases, vaccines are also required for epidemic prevention or emergency vaccination. There is nothing more valuable to an infected flock than quick action. Infectious Coryza does not present a zoonotic risk (the disease does not spread from birds to humans). The resistance of your flock to infectious coryza will be heightened if they are well fed and maintained in dry, draft-proof housing.