Porcine Health Management

Table 3 Farrowing and weaning performance. Absolute numbers of alive piglets at farrowing and at weaning per sow from experiments A and B (phase I and II)

From: Field evaluation of the safety and compatibility of a combined vaccine against porcine parvovirus 1 and porcine reproductive and respiratory syndrome virus in breeding animals

		Farrowing					Weaning
	Group	N_total	Mean	95% CI^a		P^b	N_total	Mean	95% CI^a		P^b
Experiment A	A-PRRSV+PPV1	249	13.4	13.0	13.8	0.567	249	11.0	10.6	11.5	0.898
Experiment A	A-PPV1	247	13.5	13.1	13.9	0.567	247	11.1	10.7	11.5	0.898
Experiment B phase I	B_I-PRRSV+PPV1	92	14.7	14.0	15.4	0.466	90	12.6	11.8	13.3	0.470
Experiment B phase I	B_I-PPV1	99	15.2	14.5	15.9	0.466	97	12.6	11.9	13.4	0.470
Experiment B phase II	B_II-PRRSV+PPV1	125	14.5	13.8	15.1	0.095	124	12.0	12.3	86.1	0.416
Experiment B phase II	B_II-PPV1	120	15.2	14.5	15.8	0.095	118	12.5	13.2	85.2	0.416

^aConfidence interval
^bP-value of Wilcoxon Mann-Whitney test for comparison between group

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ISSN: 2055-5660

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