The Jackson Laboratory - Meet the Golden Girls of JAX -- possibly the oldest mice in the world! Soon to reach 4 1/2 years of age (or 180 human years), Asst. Professor
![The Jackson Laboratory on X: "Another #free poster available from JAX Mice, Clinical and Research Services! This one is a visual guide to the genes influencing #coatcolor. 👉 Get yours at our The Jackson Laboratory on X: "Another #free poster available from JAX Mice, Clinical and Research Services! This one is a visual guide to the genes influencing #coatcolor. 👉 Get yours at our](https://pbs.twimg.com/media/DjW1lfxW0AA1rqf.jpg)
The Jackson Laboratory on X: "Another #free poster available from JAX Mice, Clinical and Research Services! This one is a visual guide to the genes influencing #coatcolor. 👉 Get yours at our
![More charts! These are the Jackson (Jax) Laboratory mouse pups by age charts. Lots of people are finding babies wandering into or abandoned near their houses and asking about age so I More charts! These are the Jackson (Jax) Laboratory mouse pups by age charts. Lots of people are finding babies wandering into or abandoned near their houses and asking about age so I](https://i.redd.it/ojanpw0vbun91.jpg)
More charts! These are the Jackson (Jax) Laboratory mouse pups by age charts. Lots of people are finding babies wandering into or abandoned near their houses and asking about age so I
![The Jackson Laboratory on X: "Let us do the work! Aged C57BL/6J males and females are now available for order immediately: https://t.co/EnmhDhM5wv https://t.co/3rRGUsCnpw" / X The Jackson Laboratory on X: "Let us do the work! Aged C57BL/6J males and females are now available for order immediately: https://t.co/EnmhDhM5wv https://t.co/3rRGUsCnpw" / X](https://pbs.twimg.com/media/CxZ2iBnVEAAKWVR.jpg:large)