telephone survey / intensive systems / outdoor systems / sustainable outdoor systems / free-range production systems / free-range systems / animal systems / pork products / organic systems / http /
Organization
European Commission / European Union / Oxford University / Agricultural Economics Society / /
Person
Van Sickle / Van Der Lans / /
Position
Governor / National Hog Farmer / /
ProgrammingLanguage
FP / /
PublishedMedium
Trends in Food Science and Technology / The Pig Journal / /