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Filtering by: Subject Leghorns (Poultry) -- Genetics Decade 1960-1969

Accelerated selection for hen-housed egg production and correlated responses in White Leghorns (Gallus domesticus)

Creator:

Cáceres, Oscar

Abstract:

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...

Resource Type:

Dissertation

Full Text:

- tive in obtaining genetic gains in hen -housed annual production by increasing the part -year or egg
Effects of vitamin E, ethoxyquin and linoleic acid on reproduction of white leghorn males

Creator:

Kuhns, Russell Victor

Abstract:

Two lots of six White Leghorn male chickens were fed diets containing 7.3% linoleic acid and either .075% ethoxyquin (lot 1) or 32.4 mg/kg of added vitamin E (lot II) for 47 weeks both of which were designated as positive controls. A third group (lot III) containing 30 males received...

Resource Type:

Masters Thesis

Full Text:

MASTER OF SCIENCE (Name) (Degree) in POULTRY SCIENCE presented on (Major) (Date) Title: EFFECT OF