Profile: The Jackson Laboratory focuses on mammalian genetics research to advance human health. Our Jax® service offers the resources to optimize the mouse as a research tool. We offer genetically defined and modified mice. Our services include custom breeding, dedicated supply, congenic strain development and special diet administration. We cater atherogenic diet, phenotyping, rederivation, crypreservation, genome scanning & strain rescue, which is used for Jax® research needs.