GROWTH OF CLETHRIONOMYS-GAPPERI AND MICROTUS-PENNSYLVANICUS IN CAPTIVITY

  • 1 January 1979
    • journal article
    • research article
    • Vol. 43  (3) , 208-217
Abstract
Growth of C. gapperi and M. pennsylvanicus from southern Manitoba [Canada] was documented from birth to 30 days. C. gapperi were smaller and grew more slowly (g/day) than M. pennsylvanicus, although both species were weaned at the same age. There were significant differences in growth rates between sexes in M. pennsylvanicus and among litter sizes in both species. Most growth variability was due to differences among litters. Patterns of development were similar to those reported for other North American species of Clethrionomys and Microtus.