Table 1. Descriptive statistics of duck movements per pair of holdings, France, November 1, 2016–March 31, 2017*.

Holding type pair	No. (%) flocks moved	No. ducks moved					Distance moved, km
		Mean	Median	IQR	Max		Mean	Median	IQR	Max
Rearing to breeding	382 (4.2)	6,001	4,773	3,016–8,991	15,090		58	36	0.1–101	213
Breeding to force-feeding	8,712 (95.8)	993	958	629–1,188	8,050		50	40	16–71	408

*IQR, interquartile range; max, maximum.