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Published online by Cambridge University Press: 18 September 2007
Summary of research done at the National Agronomic Research Institute (I.N.R.A.) by the Poultry Research Station*, National Animal Production Research Center (C.N.R.Z.), 78 Jouy–en–Josas, the Artigueres Experimental Domain, B.P. 68, 40 Mont–de Marsan; and the Magneraud Experimental Poultry Station, B.P. 52, 17 Surgeres.
* Now, Poultry Research Station, C.R.V.Z., B.P. l, 37 Nouzilly