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Some experts believe that the key to dogs health is immunity. The dog's immune system is a complex system, it acts like a combined army, working together to smash the invasion from different infectious agents including bacteria, viruses, fungi and the latest cancer cells. What are the common methods of dog immunization?

Norwegian Terrier

1. Passive immunity

Passive immunity means that dogs can directly acquire specific immunity to a certain pathogen through a certain way. Maternal-derived antibodies (natural passive immunization) or antibodies obtained by artificial injection of hyperimmune serum (artificial passive immunization) are obtained from the milk of the female dog. Although passive immunity can enable dogs to acquire immunity directly, it remains in dogs for a short period of time and cannot be regenerated after consumption.

2. Active immunization

Active immunization refers to the immunization of dogs by injecting a certain pathogen (this pathogen has been inactivated, weakened or genetically recombined, etc.) It is relatively safe for dogs after treatment, and can induce the body to produce immunity, that is, the so-called vaccine or bacterin), and after a period of time, specific immunity against the pathogen is generated, and this immunity has memory, that is, After encountering the same pathogen again, a strong immunity can be generated in a short period of time, so that the dog will not be infected, so active immunization is the most ideal means to prevent infectious diseases.

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