The maternal social environment shapes offspring growth, physiology, and behavioural phenotype in guinea pigs

Table 2 Measurement schedule.

date	test	measurements	batch	n _individual /n _group
day of birth		weight, length	I/II	47/37
	struggle	duration of struggling	I/II	47/37
	hand-escape	latency to leave the hand	II	24/21
day 1	cortisol	cortisol baseline activity	I/II	43/33
	social separation	activity, number of calls, latency to reach the mother	I/II	47/37
day 7		weight, length	I/II	44/37
	struggle	duration of struggling	I/II	44/37
	social separation	activity, number of calls, latency to reach the mother	I	20/16
	hand-escape	latency to leave the hand	II	24/21
day 8	cortisol	cortisol baseline	I/II	41/35
		cortisol response to social separation	I/II	39/34
	novel environment	duration of activity	II	24/21
	novel object	approach to novel object (yes/no)	II	24/21
day 21		weight, length	I/II	44/37
	novel environment	duration of activity	II	22/21
	novel object	approach to a novel object (yes/no)	II	22/21
day 35		weight, length	I/II	44/36

Overview of the tests conducted, the order and the variables measured. Additionally, the column “batch” indicates whether a specific test was conducted in both batches or only in one of them. The last column gives the sample sizes separated for maternal treatment.

ISSN: 1742-9994