Porcine Health Management

Table 8 Correlation coefficients of serology variables with litter size variables

From: Effect of spray-dried porcine plasma in peripartum sow feed on subsequent litter size

First parturition				Second parturition
	Stillborn^a				Total born^b
Variable	r	P =	n	Variable	r	P =	n
Total born^a	0.4874	0.0003	50	Total born^a	−0.0078	0.9584	47
IFN-α^a	−0.1202	0.5503	27	IFN-α^b	0.0236	0.9033	29
IFN-γ	−0.2280	0.2528	27	IFN-γ	−0.2736	0.1436	30
IL-10	0.1724	0.3898	27	IL-10	0.1549	0.4136	30
IL-1β	−0.1251	0.5340	27	IL-1β	0.0447	0.8144	30
IL-4	−0.0488	0.8090	27	IL-4	0.1746	0.3561	30
IL-6	0.0919	0.6486	27	IL-6	0.0207	0.9135	30
IL-8	−0.0488	0.8395	27	IL-8	0.1175	0.5363	30
TNF-α	0.4123	0.0326	27	TNF-α	0.0318	0.8675	30
IL-12	−0.0764	0.7050	27	IL-12	0.0719	0.7059	30
MDA	−0.0276	0.8770	34	MDA	−0.0539	0.7734	31
SOD	−0.0154	0.9311	34	SOD	0.0451	0.8062	32
TAS	0.1148	0.5249	33	TAS	0.0125	0.9498	28
GPx	0.1769	0.3169	34	GPx	−0.3581	0.0347	35

Values are Pearson correlation (r) coefficients, T-test probability (P =) and number (n) of observations per variable
^a Total born or stillborn results of first parturition were correlated with serology variables of sows sampled 2 days prepartum
^b Total born results of second parturition were correlated with serology variables of sows sampled 4 days postpartum

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ISSN: 2055-5660

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