High laboratory mouse pre-weaning mortality associated with litter overlap, advanced mother age, small and large litters
G. M. Morello, J. Hultgren, S. C. Peneda, M. Whiltshire, A. Thomas, H. Wardle-Jones, S. Brajon, C. Gilbert, A. Olsson
This study identifies risk factors for high pre-weaning mortality in laboratory mice, finding that litter overlap, advanced mother age, and extreme litter sizes increase pup death rates.
bioRxiv · Feb 25, 2020Animal Behavior & Cognition