The FAO about animal
traction:
… the constraints to animal power development are psychological or social rather than technical or economic…
http://www.fao.org/ag/ags/agse/chapterps1/chapterps1-e.htm
see also:
FECTU asbl
21, rue principale
L-7475 SCHOOS (Luxembourg)
e-mail: info@fectu.org
website: www.fectu.org
President: Michaela Taublaender (Austria)
Vice-President: Cesc Aldabó (Spain)
Treaserer: Nanna Larsen (Denmark)
Board members:
Matthias Penner (Austria)
Aurelija Aksomaitytè (Lithuania)