Reliable estimation of antimicrobial use and its evolution between 2010 and 2013 in French swine farms

Table 1 Characteristics of the farms samples studied in 2010 and 2013, and comparison to the national data

		2010		2013
		national reference	farm sample	national reference	farm sample
Farms located in Brittany^a		51%	46%	49%	45%
Member of a production organisation^a		83%	84%	85%	89%
Production orientation	Farrowing or farrow-to-weaning	7%	6%	5%	5%
	Farrow-to-finish	46%	47%	45%	45%
	Post-weaners, post-weaners to finish or finishers	47%	47%	50%	50%
Number of sows	5 to 49	Not available		9%	9%
	50 to 99			10%	10%
	100 to 199			42%	42%
	200 and more			39%	39%

^aNational reference data from the national database BDPORC, extracted for years 2010 and 2013. Other national reference data are from the department of statistics of the French Ministry of Agriculture. There was no statistical significant difference, within each year, between the sample’s criteria and those of the national reference (Chi-2 test)

ISSN: 2055-5660