Effect of Artificial Piglet Suckling Sounds on Behavior and Performance of Piglets and Adrenal Responses of Sows

Table 1

Comparison of fundamental production indexes between control group (no suckling sound; n=15) and treatment group (suckling sound; n=15) (mean±SD).

Indexes	Control group	Treatment group	P-value
Parity	5.86±2.78	5.08±3.43	0.21
Litter size (piglets/sow)	13.11±2.77	12.37±3.31	0.22
Live births (piglets/sow)	12.81±2.82	12.04±3.14	0.19
Average birth weight (kg.)	1.45±0.25	1.43±0.19	0.69
Average lactating period (days)	21.00±0.00	20.91±0.45	0.21