Porcine Health Management

Table 7 Percentage of pigs with antibodies in serum

From: Porcine ear necrosis in weaned piglets: prevalence and impact on daily weight gain

	Weaning batch
	1	2^a	3^a	4	5	6^a	Total
Nb of sampled animals	(n = 10)	(n = 9)	(n = 10)	(n = 10)	(n = 10)	(n = 10)	(n = 59)
	4 weeks post-weaning (7 week old)
Influenza subtype	Blood samples not taken
H1N1				90	100	100	97
H1N2				40	0	60	33
H3N2				10	0	60	23
PCV2 IgG				0	0	0	0
PCV2 IgM				0	0	0	0
PRRSv				70	70	70	70
M. hyopneumoniae				0	0	0	0
	7 weeks post-weaning (10 weeks old)
Influenza subtype
H1N1	100	77	100	100	100	100	96
H1N2	40	89	70	30	0	0	38
H3N2	0	0	0	10	10	0	3
PCV2 IgG	100	56	70	60	40	60	65
PCV2 IgM	80	67	80	70	50	90	61
PRRSv	50	44	40	50	70	60	52
M. hyopneumoniae	50	33	50	50	30	30	40

Serum tested for swine influenza H1N1, H1N2, H3N2, porcine circovirus type 2 (PCV2), porcine reproductive and respiratory syndrome virus (PRRSv) and Mycoplasma hyopneumoniae (M. hyopnemoniae) at 7 and 10 weeks of age (4 and 7 weeks post-weaning, respectively)
Only pigs from weaning batches 4–6 were sampled twice, at 4 and 7 weeks post-weaning
^aA mycotoxin detoxifier was added to the feed of weaning batches 2, 3 and 6

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ISSN: 2055-5660

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