Table 4.

Effect of treatment on morbidity and medication

	Control	Treatment (OEO)	p value
Total number of piglets born alive	441	428	–
Mortality: Total number of piglet death Pre-weaning	63	47	0.143
Pre-weaning mortality % (relative to total born alive)	14.3%	10.9%	–
Morbidity (total number of piglet)	51^A	34^B	0.072
Medication use (total number of piglet receiving intervention)	46	35	0.253
Medication use - weighted (total number of intervention)	64^a	39^b	0.003
Mortality: Total number of piglet death Post-weaning	7	9	0.632
Post weaning mortality % (relative to number of piglet weaned)	1.86%	2.36%	–

OEO Oregano Essential Oil

Morbidity Defined as recorded number of observation regarding piglet health

Medication Intervention was administered where necessary according to the farm standard welfare procedures

Superscript letters A-B represent statistical significance at p ≤ 0.1

Superscript letters a-b represent statistical significance at p ≤ 0.05