Inbreeding in relation to egg production
Hays, F.A.
Inbreeding in relation to egg production - Mass 1929 - 256-302 p. - Egg, Production Massachusetts Agricultural Experiment Station. Bulletin No. 258 .
Inbreeding in relation to egg production - Mass 1929 - 256-302 p. - Egg, Production Massachusetts Agricultural Experiment Station. Bulletin No. 258 .