Table 6 Effects of dietary mineral source and birth body weight (BBW) on health scores of dairy calves (n = 13 per treatment).

From: Trace minerals source in calf starters interacts with birth weights to affect growth performance

Item	NBW¹		LBW¹		SEM	Treatment effects²
Item	ACMS¹	IM¹	ACMS	IM	SEM	BBW	MS	BBW × MS	Time (T)	BBW × T	MS × T	BBW × MS × T
Fecal score
Pre-weaning	0.53^c	0.51^c	0.61^b	0.69^a	0.02	< 0.01	0.13	0.02
Post-weaning	0.31	0.29	0.31	0.26	0.06	0.78	0.12	0.77
Overall	0.48^c	0.46^c	0.54^b	0.59^a	0.02	< 0.01	0.50	0.04	< 0.01	0.10	< 0.01	0.27
Days with score ≥ 2	4.58	3.58	6.11	6.27	0.81	0.01	0.60	0.47
Nose score
Pre-weaning	0.33	0.40	0.27	0.37	0.03	0.08	< 0.01	0.66
Post-weaning	0.75	0.75	0.57	0.46	0.06	< 0.01	0.32	0.36
Overall	0.44	0.49	0.35	0.39	0.02	< 0.01	0.02	0.84	< 0.01	0.19	< 0.01	0.88
Days with score ≥ 2	8.63	10.32	5.86	7.24	1.57	0.06	0.32	0.92
Eye score
Pre-weaning	0.10	0.13	0.09	0.12	0.01	0.57	0.01	0.86
Post-weaning	0.06	0.26	0.07	0.23	0.02	0.58	< 0.01	0.53
Overall	0.09	0.16	0.09	0.15	0.01	0.46	< 0.01	0.65	< 0.01	0.36	< 0.01	0.03
Ear score
Pre-weaning	0.05	0.04	0.07	0.10	0.01	< 0.01	0.41	0.06
Post-weaning	0.09	0.08	0.07	0.05	0.02	0.15	0.42	0.84
Overall	0.06	0.05	0.07	0.09	0.01	0.01	0.81	0.15	< 0.01	0.05	0.15	0.28
Days with score ≥ 2	0.98^b	0.44^d	0.67^c	1.98^a	0.35	0.08	0.28	0.01
Rectal temperature, °C
Pre-weaning	38.9	39.1	39.0	39.1	0.07	0.39	0.01	0.62
Post-weaning	38.4	38.7	38.3	38.7	0.12	0.75	0.04	0.69
Overall	38.81	39.05	38.89	39.04	0.07	0.62	< 0.01	0.48	< 0.01	0.22	< 0.01	0.16
Heart rate, beat/min
Pre-weaning	98.6^b	103.5^a	96.6^c	99.3^b	0.43	< 0.01	< 0.01	< 0.01
Post-weaning	84.4^c	98.8^a	83.2^c	94.6^b	0.47	< 0.01	< 0.01	< 0.01
Overall	96.0	102.4	93.8	98.6	0.39	< 0.01	< 0.01	0.04	< 0.01	0.01	< 0.01	0.02
Respiration rate, breath/min
Pre-weaning	38.2^b	41.0^a	41.2^a	40.6^a	0.52	0.01	0.05	< 0.01
Post-weaning	31.8^b	37.0^a	35.2^a	37.0^a	0.69	< 0.01	< 0.01	0.01
Overall	36.7^b	40.5^a	40.2^a	39.7^a	0.55	0.01	< 0.01	< 0.01	0.01	0.23	0.01	0.07

¹IM inorganic minerals source, ACMS advanced chelated mineral source, LBW low birth weight, NBW normal birth weight.
²Contrasts for BBW (birth body weight), MS (mineral source) and interaction (BBW × MS).
^a,b,cMeans within a row with different superscripts are significantly different (P < 0.05).

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Table 6 Effects of dietary mineral source and birth body weight (BBW) on health scores of dairy calves (n = 13 per treatment).

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