Maternal behavior deficit in CNS-<i>Actb</i>KO mice.

<p>(<b>A</b>) Pups born to CNS-<i>Actb</i>KO females did not survive longer than one day. (<b>B</b>) CNS-<i>Actb</i>KO mothers exhibited a pup retrieval deficit. While control mothers retrieved pups into a nest, pups born to CNS-<i>Actb</i>KO females were scattered throughout the cage. The pup retrieval deficit was independent of the pups however, as pups born to CNS-<i>Actb</i>KO females were retrieved normally by foster control females.