1.His littermates have been placed in another foster rescue.

它兄弟姐妹已经被送到另外收容所。

2.Pups with limbic damage can move around and feel themselves well but do not register the presence of their littermates.

边缘受损幼崽可活，自我感觉良好，但不会注意到它们同窝其他幼崽存在。