Poultry
Subject
Subject Source: Library of Congress Subject Headings
Scope Note: Created For = NAHSTE
Found in 31 Collections and/or Records:
The roles of photoperiod and age in maintaining persistency of egg laying in the domestic hen, December 1990
Item
Identifier: Coll-1362/2/657
Scope and Contents
Located in I.A.P.G.R-E.R.S. Staff Papers 1990. Part 1 and Index.
Dates:
December 1990