Why is the expected delivery 1 to 3 months for most Level 4 strains?
The Jackson Laboratory functions as a mouse strain repository for the scientific community. The size of a colony is based on customer demand. Level 4 colonies are low demand strains, so they are maintained in small numbers of breeding pairs. This approach enables us to keep more low demand strains as breeding colonies. When researchers order these mice, additional breeding may be required to fill the customer order and to maintain our colony. In addition, many level 4 colonies are not maintained homozygously, and progeny must be genotyped before they can be shipped.
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- Why is the expected delivery 1 to 3 months for most Level 4 strains?
