Studies have been conducted with broilers and layers fed
manually formulated or linear programmed rations. Experiments
with broilers have involved the following: 1) determining the lysine
requirement with and without cottonseed meal in the ration, 2) formulating
by linear programming rations made up from different reported
amino acid mixtures and...
The records of a population of White Leghorns at the Oregon
State Agricultural Experiment Station, submitted to accelerated
selection for hen-housed egg production on an individual and a family
basis at 40 weeks of age for 18 years, were studied. An analysis
was made to determine the relative efficiency of...
The records of a population of sex-linked dwarf layers
at the Oregon State Agricultural Experiment Station subjected
to an accelerated selection for hen-housed egg production at
40 weeks of age for a period of over 11 years were analyzed
for selection response, and for the estimation of genetic
parameters. The...