mortality/aging
• born in the expected frequency
• most die within 48 hours
• elevated mortality continues through two more weeks
• mice surviving perinatal period tend to have a normal life span and are fertile
|
growth/size/body
• never completely recover from early growth retardation
|
• normal weight and size at birth
• markedly reduced growth rate immediately after birth
• half normal weight by 7 days of age
• growth rate parallels that of controls after weaning
|
behavior/neurological
N |
• food consumption after weaning is normal
|
limb grasping
(
J:40032
)
• abnormal clutching reflex
|
• some individual display a reduced ability to support their weight by grasping a rod
|
• move about more slowly than controls
|
abnormal gait
(
J:40032
)
• broad based gait in some individuals
|
• reduced motor activity
• move about less in the cage
|