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Breeding
Published online by Cambridge University Press: 11 November 2009
Extract
Laying capacity of crossings between Black Rhinelanders and White Leghorns. Die Legetätigkeit aus der Kreuzung schwarzer Rheinländer mit weiszem Leghorn. H. R. von Langen. Archiv für Geflügelkunde, 1930, p. 40.
The F. 1 generation showed good laying capacity (average 189,5 eggs). The laying capacity of the F. 2 hens was not so good (136,6 eggs). In the F. 3 generation the production was 127,8 eggs, accompanied by a great variability of the hens viz. from 32 to 211 in 53 hens.
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- Copyright © World's Poultry Science Association 1931