Changes

*Maternally-derived antibodies in [[Materno-Fetal Immunity - Introduction#Passive transfer via colostrum|colostrum]] when there is a [[Failure of Passive Transfer|failure of passive transfer]] of [[Immunoglobulin G]]

*Maternally-derived antibodies in [[Materno-Fetal Immunity - Introduction#Passive transfer via colostrum|colostrum]] when there is a [[Failure of Passive Transfer|failure of passive transfer]] of [[Immunoglobulin G]]

*Antiserum  

*Antiserum  

**The antibodies are used in combination with Antigen Recognition|antigen (and often an adjuvant) which is injected into a host animal

**The antibodies are used in combination with [[Adaptive Immune System - Overview#Antigen Recognition|antigen]] (and often an adjuvant) which is injected into a host animal

**The immune system of that animal synthesises antibodies

**The immune system of that animal synthesises antibodies

**Repeated injections at intervals increases total [[Immunoglobulins|antibody]] production

**Repeated injections at intervals increases total [[Immunoglobulins - Overview|antibody]] production

**The immunised animal is bled and the serum collected which contains the newly made [[Immunoglobulins|antibodies]]. The serum is called '''antiserum'''.

**The immunised animal is bled and the serum collected which contains the newly made antibodies. The serum is called '''antiserum'''.

**The serum can then be injected into a different animal to confer passive immunisation

**The serum can then be injected into a different animal to confer passive immunisation