Field evaluation of a ready-to-use combined Porcine circovirus type 2 and Mycoplasma hyopneumoniae vaccine in Denmark – a historical comparison of productivity parameters in 20 nursery and 23 finishing herds

Table 2 Summary statistics concerning productivity parameters in the 23 finishing herds comparing one year before (Period 1) and one year after (Period 2) initiated vaccination with Porcilis® PCV M Hyo

Parameter	Period	Mean	Standard deviation	Median	Min	Max	p-value
Mortality (%)	Period 1	3.1	1.1	2.8	1.5	6.8	0.002
Mortality (%)	Period 2	2.6	1.1	2.2	1.0	5.3	0.002
Average daily weight gain (g)	Period 1	970	68	976	857	1112	0.001
Average daily weight gain (g)	Period 2	1006	64	1008	899	1153	0.001
Feed conversion rate (FU/kg)	Period 1	2.76	0.12	2.75	2.57	3.04	0.095
Feed conversion rate (FU/kg)	Period 2	2.73	0.09	2.69	2.58	2.98	0.095

ISSN: 2055-5660