Table 4.

Pearson correlation coefficients between variables related to piglet average daily gain: exp. 2

	Piglet gain, g/day days 3 to 10			Piglet gain, g/day days 10 to 17			Piglet gain, g/day days 17 to 25			Piglet gain, g/day days 3 to 25
Item	n	r	P-value	n	r	P-value	n	r	P-value	n	r	P-value
Milk composition
DM, %	198	–0.19	NS	215	0.11	NS	180	0.19	NS	153	0.01	NS
Fat, %	198	–0.14	NS	202	–0.10	NS	180	0.08	NS	153	–0.12	NS
Protein, %	172	–0.07	NS	229	0.28	*	194	0.26	*	167	0.15	NS
Lactose, %	223	–0.06	NS	203	–0.25	NS	181	–0.27	*	167	–0.24	**
Milk and nutrient intake1
Milk intake, g/d	46	0.90	***	51	0.90	***	44	0.91	***	34	0.93	***
DM intake, g/d	41	0.85	***	48	0.90	***	41	0.92	***	31	0.93	***
Fat intake, g/d	41	0.65	***	45	0.85	***	41	0.83	***	31	0.84	***
Protein intake, g/d	37	0.87	***	51	0.90	***	44	0.88	***	28	0.87	***
Lactose intake, g/d	46	0.88	***	45	0.87	***	41	0.90	***	31	0.90	***

¹The milk intake was measured by the deuterium dilution technique, and the intake of fat, protein, and lactose was calculated by multiplying the concentration with the intake of milk.

*P ≤ 0.05, **P ≤ 0.01, ***P ≤ 0.001; NS, not significant.