Evaluation of dry feeding and liquid feeding to lactating sows under high temperature environment

Table 2 Effect of dry feeding and liquid feeding on physiological status in lactating sows ^a

Criteria	Treatment ^b		SEM ^c	P-value
Criteria	Dry feeding	Liquid feeding	SEM ^c	P-value
Body weight, kg
24 h postpartum	224.03	213.73	3.561	0.15
Day 21 of lactation	215.73	217.07	3.016	0.83
BW changes (0-21d)	−8.30	3.34	2.816	0.04
Backfat thickness, mm
24 h postpartum	18.9	20.6	1.07	0.44
Day 21 of lactation	18.2	20.1	0.90	0.29
BF changes (0-21d)	−0.7	−0.5	0.68	0.87
Daily feed intake, kg/d	6.16	5.87	0.183	0.43
WEI ^d, d	4.36	4.50	0.128	0.28

^a A total of 30 lactating sows (Yorkshire x Landrace) with an initial BW of 218.8 ± 19.5 kg were used in a 3 week trial
^b Dry feeding: solid feed only, liquid feeding: solid feed 50%: water 50% mixed
^c Standard error of mean
^d WEI: weaning to estrus interval

ISSN: 2055-0391