1) Immunoresponsiveness 
Immunocompetence is the ability of the body to produce a normal immune response following exposure to an antigen. Immunocompetence is the opposite of immunodeficiency or immuno-incompetent or immuno-compromised. Examples include: There may be cases of overlap but these terms are all indicators of non fully functioning immune system. The US Centers...
The ability to produce a normal immune response.
<immunology> The bodys ability to develop an immune response to infection or disease. Immunocompetence is measured to see how well the body can fight off certain disease. Many cancer patients become immunocompromised, where their immune system is not as strong as a healthy person's. ... (16 Dec 1997) ... 
(im″u-no-kom´pә-tәns) the capacity to develop an immune response following exposure to antigen. Called also immunoresponsiveness. adj., immunocom´petent., adj.
Type: Term Pronunciation: im′yū-nō-kom′pĕ-tens Definitions: 1. The ability to produce a normal immune response.
Immunocompetence: The ability to produce a normal immune response.
An individual bird's ability to mount a functioning immune response after exposure to a pathogen or antigen.