The main component of chicken polyclonal antibodies is IgY, primarily distributed in chicken serum and eggs. Similar to IgG, IgY consists of two heavy chains and two light chains forming a "Y" shape, but contains two antigen-binding sites. A key difference between IgY and IgG is the almost complete absence of cross-reactivity between them. This characteristic gives chicken polyclonal antibodies excellent immunological properties, such as effectively reducing background noise in immunological assays, making chicken-derived polyclonal antibodies more convenient experimental tools.

Chicken IgY Polyclonal Antibody Preparation involves immunizing chickens with the target antigen to activate their B lymphocytes. Purified antibodies are obtained by purifying eggs laid monthly after the secreted antibodies are transferred to the yolk. Compared to antibodies from other species, chicken polyclonal antibodies offer the following advantages:

I. Highly conserved mammalian gene products can elicit strong immune responses and antibody production in chickens.

II. Chicken antibodies are suitable for multiplex immuno-labeling experiments because IgY does not cross-react with IgG homologously and lacks an Fc fragment, preventing binding to cellular Fc receptors.

III. Production is convenient. Antibodies are purified from eggs collected from immunized hens, resulting in low consumption costs.

IV. They require smaller antigen amounts, offer high yield per unit, possess good specificity, and are stable and easy to store.

KMD Bioscience provides a complete suite of Custom Chicken Polyclonal Antibody Services, including antigen design and synthesis, modification, personalized immunization protocols, antibody purification, labeling, and more. Simultaneously, we can tailor personalized experimental plans according to your specific requirements.