Cyclic Neutropenia
Body function: Immune & Autoimmune
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Cyclic Neutropenia (CN) (Gray Collie Syndrome) is an autosomal recessive disorder affecting smooth and rough Collies. This genetic condition results in periodic drops in neutrophil (a type of white blood cell) levels, leaving affected dogs highly susceptible to infections. Puppies with CN are visibly lighter in color. Unfortunately, most dogs with CN don't live past 2-3 years of age due to their weakened immune systems.
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