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Published online by Cambridge University Press: 11 November 2009
Laying Tests in Germany. Jahresbericht über die deutschen Legeprüfungen für Hühner 1935–36. Dr. K. Taut. Archiv für Geflügelkunde, Vol. 11, 1937, No. 5.
There were organised 5 laying tests and 4 flock production tests; they were held from October 16th, 1935, to September 30th, 1936—351 days.