The effects of various patterns of growth between six and 18 weeks of age on the performances of layers /
Coggins, J. E.
Wells, R. G.
Harper Adams Poultry Husbandry Experimental Unit.
Egmond, Newport, Shropshire : Harper Adams Poultry Husbandry Experimental Unit,
1979.
Cover title.
"REF: R/26."
Bibliography: leaf 17.