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Culling of Young Poultry and of Layers. A. A. Grebenshchikov and N. P. Churilov. Under the title of the U.S.S.R. Poultry Research Institute of the Soiousptize product. State Agricultural Publishing House. “Telkolkhosguis.” U.S.S.R. Moskva, 1931. Circulation 25,000 copies, 40 pages, 23 illustrations.In the introduction it is told that 1932 will be the last year of performing the Five Year Plan (in four years). That now in all collective as well as state poultry farms, the work must be rationalised, and as a means of the rationalisation, culling out the non-producing hens is recommended. |
