Table 8.

Correlation results between the feeding behaviour habits and growth parameters obtained in different studies.

	ADG 1						Final BW		FCR 2
References 3	1	2	3	4	5	6	3	6	2	3 a	6 a	7 a
TV (feeder visits/d) 4 or TM (meals/d) 5	0.18 **	0.01	-	−0.16 *	−0.26 * to −0.09	−0.07	−0.02	−0.11	0.00	0.14	−0.11	0.18
TD (minutes spent eating/d) 6	−0.06	0.17 ***	0.02	0.19 **	0.12 to 0.39 *	−0.25 *	−0.01	−0.25 *	0.15 **	−0.24 *	−0.22 *	0.33
VS (feed consumed/visit) 7 or MS (feed consumed/meal) 8	0.41 **	0.19 ***	0.38 *	-	0.28 * to 0.54 *	0.25 *	0.2 9*	0.27 **	0.02	−0.29 *	0.12	−0.08
FR (feed consumed/min) 9	0.50 **	0.20 ***	0.32 *	0.38 ***	0.10 to 0.43 *	0.54 ***	0.35 *	0.52 ***	−0.00	0.06	0.15	−0.16

¹ ADG (average daily gain). ² FCR (feed conversion ratio). ³ References: (1) [10] (Dutch Landrace and Great-Yorkshire, 25–35 to 100 kg BW, boars and gilts); (2) [11] (Large White and French Landrace, from 35 to 95–100 kg BW, boars and castrated males); (3) [16] (PIC Line 26 males × Camborough females, from 27 to 82 kg BW, boars, barrows and gilts); (4) [4] (Duroc, from 38 to 130 kg BW, barrows); (5) [26] (Pietrain); (6) [5] (Topigs Talent × PIC, from 86 to 145 kg BW, barrows); and (7) [49] (Landrace, 35–50 to 107–165 kg BW, males). ⁴ TV (number of visits per pig and day). ⁵ TM (number of meals per pig and day according to each paper methodology; where a meal is: the successive feeder visits within five minutes [10]; the successive feeder visits within two minutes [11]; and the successive visits within 28.3 min intervals [16]. Rauw et al. [4], Fernández et al. [26], Carcò et al. [5], and Garrido-Izard et al. [49] analysed the daily number of feeder visits. ⁶ TD (total minutes spent eating per pig and day). ⁷ VS (feed consumed per feeder visit). ⁸ MS (feed consumed per meal). ⁹ FR (feed intake per minute spent eating). ^a Gain to feed ratio. *, **, *** stand for p < 0.05, p < 0.01, and p < 0.0001.