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    Why Use Chicken IgY?

  • Here are top 5 reasons:

    1. Higher titres against highly conserved mammalian gene products

    2. Double immunostaining is easier to perform

    3. Animal-friendly -- we purify the antibodies from eggs, not serum

    4. Large quantities of antibody - faster and cheaper

    5. Nearly unlimited quantities (again, because the antibodies come from eggs)

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How do chicken IgY’s compare methodologically with mammalian IgG’s?

Chicken antibodies are functionally equivalent to rabbit and other mammalian antibodies in most biochemical and cellular applications, including Western Blots (using both alkaline phosphatase- and horseradish peroxidase labeled antibodies), Immunocytochemistry, and even Immunoprecipitation. Moreover, the affinities of rabbit versus chicken antibodies are quite comparable with Kd values typically in the 1-3 ng/ml range. Click here for detailed protocols for these and other methods.