Incubation and brooding of chickens

Incubation and brooding of chickens

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Many poultrymen make a clean sweep of all birds by the end of their first laying year, and keep only pullets for egg ... INCUBATION To obtain the largest possible number of good chicks in proportion to the number of eggs set, artificial methods anbsp;...

Title:Incubation and brooding of chickens
Author:Marlow William Olsen
Publisher: - 1953


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