Poultry production: Water quality and vaccines

Question: Can water quality have a negative effect on vaccines used for poultry? There’s no negative effect on the “killed/inactivated” (oil emulsion) vaccines, applied as intra-muscular or subcutaneous injections. Water quality becomes very important, however, when “live” vaccines are used. Excessively hard water, or water that contains a lot of…

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Poultry production: Why vaccines don’t always protect your chickens

Question: Why do vaccines sometimes not protect chickens? The handling and storage of “live” vaccines is very important. Remember that these vaccines contain live viruses or bacteria. Very specific temperatures must be adhered to when storing vaccines, or they will be damaged. They should not be exposed to direct sunlight…

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Livestock production: The difference between antibiotics and vaccines

Question: Do antibiotics and a vaccination work in the same way? Antibiotic treatment and vaccination are totally separate approaches to disease control and must not be confused. To understand the difference, you have first to understand how an animal’s body protects itself naturally, without the help of an antibiotic or…

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Lambs are protected from pulpy kidney until they are 4 months old by maternal antibodies in the milk - if the mothers have been vaccinated pre-breeding. Vaccinate young stock at 4 months, and then every year after that, to keep pulpy kidney out of your flocks.

Livestock production: How vaccines work against diseases

Question: Most insect-transmitted diseases, such as lumpy skin disease, are only seen during late summer and autumn. Why do I need to vaccinate against these diseases in spring? First of all, farmers should understand how a vaccine works. Unlike antibiotics that kill bacteria, a vaccine prevents diseases caused by either…

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