Table 3.

Effect of birthweight and sow lactation feed allowance on piglet litter suckling behavior during lactation

	Low BW		Av BW			P-value
	Low FA	High FA	Low FA	High FA	SEM	Birthweight	Feed allowance	Birthweight × feed allowance
Sucklink frequency, total bouts/d
Week 1	43	46	50	46	2.0	0.099	0.887	0.137
Week 2	42	44	45	48	2.0	0.101	0.343	0.772
Week 3	43	36	48	38	2.5	0.24	0.005	0.561
Total suckling duration, min/d
Week 1	172.1	160.1	201.7	192.8	11.43	0.019	0.379	0.89
Week 2	136.7	140.2	135.2	147.6	12.51	0.816	0.538	0.73
Week 3	129.7	151.2	130.4	172.1	5.99	0.096	<0.001	0.117
Average bout duration, min/d
Week 1	4.09	3.52	4.09	4.20	0.346	0.346	0.519	0.347
Week 2	3.21	3.21	2.99	3.07	0.239	0.467	0.858	0.869
Week 3	3.04	4.19	2.77	4.65	0.229	0.693	<0.001	0.131