monitoring systems for local population preservation, and efforts to acquire
parents and release seedlings will need to be carried out.
Like agriculture, fish farming subjects organisms to artificial management.
Future genetic improvements will be focused on breeding goals to meet various
demands. Important tasks in this field include explication of the genetic characteristics of improved varieties and preservation and management of these new
varieties. Development of new varieties is associated with rising costs due to the
labor, expenses, and site needed for line preservation and management.
Because the lines in question are labeled with genetic markers from birth, they
can be raised in mixed groups. In this case, it suffices to have a small number of
separate tanks for the parents to preserve their line.
As this chapter has shown, DNA polymorphs appear poised to play an even
more important role in marine farming research and industry as a new form of
genetic marker.
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