in the United States. Established in 1903, under the presidency of Her Majestyâs Minister at Washington, D.C., W.A.F. Baron Gevers, the chamber has promoted commerce between the Netherlands and the U.S. for more than a century.
Complete Physical Maturity: Mice are not done growing until they are between 3 and 5 months of age, depending on the line. Mice should NEVER be bred until they are at least 12 weeks age. If you don't know the line really well, wait until at least 12 weeks, if not longer.wild mice live longer.. around 5 years in captivity, though only around 6 months in the wild due to predators and environmental factors). Maturity: 4 - 8 weeks of age, varying from line to line and mouse to mouse.
Deer mice begin breeding at only about six weeks of age, their gestation time is 24 days, and each female can produce up to eleven litters each year with about 2-9 young in each litter. The babies are weaned at 4 weeks of age and are ready to breed and increase the deer mouse population in another two weeks. Deer mice are carriers of the Hantavirus.