Sophie Bennett
Vaccinating your chicks is an important step in keeping your chickens healthy and happy. There are many diseases that can affect chickens, and while vaccines are not a substitute for strict biosecurity measures, they can provide an extra level of protection. The types of vaccines and vaccination programs available for your chicks will depend on the risk of getting the disease, availability of vaccines, climatic conditions, type of chickens (broiler vs. layer), and economics. It is important to consult a veterinarian before vaccinating your chicks to ensure they are healthy enough for the vaccine and to determine the right dosage and mixing instructions. Common vaccines for chicks include those for Marek's Disease, Newcastle Disease, Infectious Bursal Disease, Fowl Pox, and Infectious Bronchitis.
| Characteristics | Values |
|---|---|
| Common chick vaccines | Marek's Disease, Fowl Pox, Newcastle Disease, Infectious Bronchitis, Infectious Coryza, Avian Encephalomyelitis, E. coli, Infectious Bursal Disease (Gumboro Disease) |
| Marek's Disease vaccine | Given at one day old or in ovo (in egg), subcutaneously |
| Fowl Pox vaccine | Given at 10-12 weeks old as a wing web |
| Newcastle Disease vaccine | Given at 14-21 days old, then at six weeks old, via eye drops |
| Dry Pox vaccine | Given at four weeks old |
| Infectious Bronchitis vaccine | Given at 16-20 weeks old with eye drops or as a spray |
| Avian Encephalomyelitis vaccine | Given to breeder pullets at 10-15 weeks old to prevent vertical transmission |
| E. coli vaccine | Given at one day old |
| Infectious Bursal Disease vaccine | Given from 10-28 days old in water |
| Administration methods | Subcutaneous injection, eye drops, wing web, drinking water |
| Precautions | Ensure chicks are completely healthy before vaccination, do not vaccinate hens that are laying eggs, sterilise injection site, clean watering system |
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What You'll Learn
- Marek's disease: Vaccinate at one day old to prevent fowl paralysis
- Newcastle disease: Prevent this deadly virus with a vaccine given at 18 days old
- Infectious bursal disease: Protect chicks from this hardy virus with a vaccine at 14-21 days old
- Fowl pox: Vaccinate at 10-12 weeks to prevent scabby sores and plaques in the throat
- Avian encephalomyelitis: Immunize breeder pullets at 10-15 weeks to prevent transmission to chicks
Marek's disease: Vaccinate at one day old to prevent fowl paralysis
Marek's disease is one of the most common illnesses in small flocks of chickens, and it is caused by a highly contagious herpes virus. The disease is also known as fowl paralysis and can lead to organ failure, progressive paralysis, and rapid death. It is easily spread via dander, saliva, and faeces, and there is currently no cure for Marek's disease.
Vaccination is the most dependable way to prevent Marek's disease in chicks. The vaccine exposes birds to a mild version of the active virus, so it is crucial that the chicks are healthy before the vaccine is administered. The best way to vaccinate chicks is to have the hatchery vaccinate them before they are exposed to the virus. If you are vaccinating at home, the vaccine must be handled exactly as the label directs. The vaccine must be injected, usually under the skin, within 1-2 hours of reconstitution. It is tricky to inject tiny chicks, so it is helpful to have someone hold the chicks while another person injects the vaccine. The brooder must be clean and disinfected before placing the chicks, and they should be isolated from other birds for at least 4-7 days after vaccination.
The American Poultry Association (APA) recommends vaccinating against Marek's disease, as it has been found that vaccinated birds help decrease the amount and severity of Marek's disease in their unvaccinated coop mates. While there is a risk of mutation, recent studies have shown that the leaky nature of the vaccine is not causing the mutations that earlier studies worried about.
Marek's disease is typically seen in chickens between 12 and 25 weeks old, and it can result in tumours, irregularly shaped pupils that often lead to blindness, and partial paralysis. While some birds survive the illness, they remain carriers of the disease for life. If you suspect one of your chickens has contracted Marek's disease, it is crucial to isolate the infected bird from your flock to avoid the spread of the disease.
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Newcastle disease: Prevent this deadly virus with a vaccine given at 18 days old
Newcastle disease is a highly contagious viral disease that causes devastating losses in both commercial and village chickens. It is caused by a virus for which there is currently no treatment available. However, you can prevent your chicks from contracting this deadly disease by vaccinating them. The Newcastle disease vaccine is typically administered when the chicks are between 14 and 21 days old.
The vaccine is usually given by mixing it with the chickens' drinking water. It is important to note that the chickens should be completely healthy before the vaccine is administered to avoid any complications. In addition, the watering system should be clean and free of chlorine, and all medications, sanitizers, and disinfectants should be removed from the drinking water at least 72 hours before vaccination.
The I-2 Newcastle disease vaccine is a thermostable vaccine, which means it can withstand higher temperatures during transportation without deteriorating as quickly as traditional vaccines. However, it still requires long-term storage in the refrigerator. To maintain its viability during transportation, the vaccine can be wrapped in a damp cloth to provide evaporative cooling.
There are other methods of administering vaccines to chicks, such as injecting the vaccine subcutaneously (into the skin), using an eyedropper, or injecting it into the wing using a wing web applicator. It is important to always consult a veterinarian before vaccinating your chicks, especially if you are doing it for the first time.
By vaccinating your chicks against Newcastle disease at the recommended age, you can help protect them from this deadly virus and ensure the health and productivity of your flock.
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Infectious bursal disease: Protect chicks from this hardy virus with a vaccine at 14-21 days old
Infectious bursal disease (IBD), also known as Gumboro disease, is a highly contagious viral infection that affects young chickens under 17 weeks of age. It is caused by the infectious bursal disease virus (IBDV), a hardy and resilient virus that can survive for months in various environments. The virus attacks the tissues of a chicken's immune system, resulting in suppressed immune function and increased sensitivity to other infections. While the mortality rate is usually low, some virulent strains can cause mortality rates of 60% or higher.
Clinical signs of IBD include listlessness, watery diarrhoea, ruffled feathers, and dehydration. The disease also causes lesions in the cloacal bursa, which is a critical part of the chicken's immune system. Early subclinical infections are the most concerning form of the disease as they can lead to severe and long-lasting immunosuppression, making the chicks more susceptible to other infections. Therefore, control and prevention are critical, and vaccination is the most effective measure to protect chicks from IBD.
Vaccination against IBD is recommended for chicks between 14 and 21 days old. The vaccine can be administered through various routes, including eye drops, drinking water, or subcutaneously (under the skin). It is important to ensure that the chicks are completely healthy before vaccinating them, as the vaccine exposes them to a mild version of the virus. Additionally, strict biosecurity measures, such as proper disinfection and segregation of new birds, should be maintained to prevent the spread of the disease.
Different types of IBD vaccines are available, including live attenuated virus vaccines and inactivated vaccines. Live attenuated virus vaccines are made from chicken embryos, bursae, or cell cultures, and they induce active immunity in chicks. Inactivated vaccines, on the other hand, induce higher and more persistent concentrations of antibodies. The choice of vaccine should be based on the antigenic profile of the field viruses, and diagnostic testing can help select the most appropriate vaccination program.
It is important to note that the presence of IBDV antibodies in chicks may not always indicate an active infection, as most young chicks have maternal antibodies. Therefore, diagnostic testing and quantitative serologic tests are important tools to monitor the immune status of breeder flocks and determine the need for revaccination. Overall, by vaccinating chicks against IBD at the recommended age and following proper veterinary advice, chicken farmers can effectively protect their flocks from this hardy and economically damaging virus.
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Fowl pox: Vaccinate at 10-12 weeks to prevent scabby sores and plaques in the throat
Fowl pox is a viral infection spread by biting insects or by chickens fighting/pecking each other. It can manifest in two ways: the dry form, which causes scabby sores over the facial skin, combs, and wattles, and the wet form, which results in plaques at the back of the throat, making it difficult for the bird to breathe and eat.
Vaccination is a solid preventative measure to ensure the happiness and health of your chicks. Fowl pox vaccines should be administered when the chick is 10-12 weeks old. This is done via the wing web method. To administer the vaccine, hold the bird and spread its wing with the underside facing upwards. Pierce the web of the exposed wing with a double-needle applicator charged with the vaccine. Avoid hitting large blood vessels, bones, and wing muscles with the needle.
It is important to note that you should not vaccinate sick birds, as the virus might be too strong for their immune system to fight. Additionally, do not vaccinate within 21 days of slaughter or 4 weeks before the start of egg production. Make sure to keep a record of the vaccine, quantity, serial number, expiration date, place of purchase, and any other relevant information.
Other common chick vaccinations include E. coli, Marek's disease, infectious bursal disease, and infectious bronchitis. Consult a veterinarian to determine the best vaccination program for your chicks, as various factors, including the age of the birds and their immune status, must be considered.
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Avian encephalomyelitis: Immunize breeder pullets at 10-15 weeks to prevent transmission to chicks
Avian encephalomyelitis (AE) is a viral infection of the central nervous system of poultry, primarily affecting chickens, turkeys, Japanese (coturnix) quail, and pheasants. The disease is found worldwide and is characterised by ataxia (loss of muscle coordination) and tremors, especially of the head and neck, and a drop in egg production and hatchability in hens. Ducklings, pigeons, and guinea fowl can be infected as well. The mortality rate from this disease can be high.
The disease is most common in chickens 1-6 weeks of age. Symptoms usually appear at 7-10 days of age, although they may be present at hatching or delayed for several weeks. Infected chicks may first show a dull expression in their eyes, followed by unsteadiness, sitting on their hocks, tremors of the head and neck, paresis (weakness or partial paralysis), and eventually total paralysis. Feed and water consumption decreases, and birds will lose weight.
Avian encephalomyelitis is transmitted vertically (from mother to chicks) and horizontally (from chicken to chicken). Many infections are the result of a breeder flock infection passed on to the eggs. The virus present in droppings may survive for more than 4 weeks. Recovered birds are immune and do not spread the virus. There is no treatment for AE, so control of the disease relies on prevention and removal of affected birds.
To prevent flocks from becoming infected, it is recommended to immunize breeder pullets at 10-15 weeks of age to prevent vertical transmission of the virus. Vaccination of broiler breeder pullets with a commercial chick-embryo-propagated live vaccine prevents vertical transmission and provides progeny with maternal immunity. Lifetime immunity is acquired through vaccination or recovery from the disease.
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Frequently asked questions
Common chick vaccines include Marek's disease and fowl pox. Vaccines for Newcastle disease, infectious bronchitis, and E. coli also exist.
Marek's disease vaccines are typically administered to day-old chicks. Fowl pox vaccines are given at one month old and repeated at three months old.
You can vaccinate your chick by inserting the needle into the chicken's skin (subcutaneously), or by administering the vaccine into the chicken's eyes using an eyedropper. You can also mix vaccines into the chicken's drinking water.
You can purchase chicks from hatcheries and request that they be vaccinated against Marek's disease. You can also vaccinate your own chicks if they hatch on-site.
Vaccines are not a cure-all and won't prevent every infection. Some vaccines may cause conjunctival (eye) pox if administered incorrectly, so it is important to consult a veterinarian before vaccinating your chicks.
