Table 7.

Effect of type of cow-calf contact on hair cortisol concentrations in dairy calves at three different ages.

	No contact						Partial contact						Full contact						F-value	P-value a
	Day 0		Day 21		Day 56		Day 0		Day 21		Day 56		Day 0		Day 21		Day 56
	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE
Cortisol, ng/g	7.93	1.74	3.41	0.73	3.20	0.55	9.72	2.07	8.42	1.42	8.15	3.79	9.38	2.15	10.55	3.22	4.80	0.44	1.26	0.29

^aP-value for treatment effect.