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. 2011 Jan 13;7:3. doi: 10.1186/1744-9081-7-3

Table 1.

Observations of physical development and behavioural tests in murine offspring

Physical markers of development PND5 PND8 PND11 PND15 PND18 Week 16
Weight + + + + + +
Freeing of pinnae + +
Fur development + +
Incisor eruption + + +
Eye opening + +

Behavioural testing PND5 PND8 PND11 PND15 PND18 Week 16

Grasping reflex + +
Righting reflex + +
Climb/hang test + + +
Auditory startle + + +
Visual placing +
Cliff drop aversion +
Forelimb strength + +
Open field + +
Startle reflex (ASR/PPI) +

Behavioural tests were performed on all pups in a litter from postnatal day (PND) 5 to PND18 and at 16 weeks of age. +: Signifies that the test was performed that day.