Table 5.

Effect of plane of nutrition and month on reproductive hormone concentrations in Holstein Friesian bull calves (n = 30) fed a high (HI) or moderate (MOD) plane of nutrition from 2 to 12 wk of age

	Diet		SEM	Age			SEM	P-value
Hormone	HI	MOD		2 wk	7 wk	12 wk		Treatment	Week	Treatment × week
AMH, ng/mL	383.7	376.6	20.5	321.8	381.3	437.4	18.0	0.8101	<0.0001	0.8014
TT, ng/mL	0.038	0.016	0.007	0.008	0.033	0.057	0.063	0.000636	<0.0001	0.0811
LH, ng/mL	0.31	0.17	0.072	0.11	0.26	0.35	0.093	0.1848	0.2532	0.5483
FSH, ng/mL	0.45	0.39	0.032	0.28	0.53	0.46	0.034	0.3021	<0.0001	0.7127