Show poultry tip confined to the laying lious t tom om the time they come into IB ce production until early spring wll wil lay better than those allowed arv ane range i however confinement presence of fish oil in the in h b E R halbrook kansas state college extension as berta ert 1 I one per cent of an average grade rade of oil containing 85 U S P vi viam lamin tn IV D units per gram of oil oi 01 one fourth pound of concentrated oi 01 containing U S P units per crati will supply adequate vitamin D 11 however failure to pro vidi vid the proper amount will cause decreased egg production poor shell qu bilty and decreased hatchability |