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Single gene effects in chickens (Gallus gallus domesticus)

Creator:: Sadjadi, Morteza
Resource Type:: Dissertation
Full Text:: . Genetic improvement in poultry might be accomplished more easily and rapidly by selection for single

Sexual maturity and performance of white leghorn pullets subjected to intermittent watering, lighting regimes, and nutrient restrictions

Creator:: Spiller, Robert James
Abstract:: A series of 8 experiments was conducted to investigate various methods of delaying the sexual maturity of developing White Leghorn (W. L.) pullets grown during a period of increasing day length and to control the feed intake of W. L. layers. In the first five experiments W. L. pullets were...
Resource Type:: Dissertation
Full Text:: degree DOCTOR OF PHILOSOPHY (Name) (Degree) in POULTRY SCIENCE presented on September 4, 1974 (Major

Biotin supplementation of corn and wheat based rations and its influence on dermatitis and hatchability in dwarf and normal-size Single Comb White Leghorns

Creator:: Atuahene, Yaw Opoku
Abstract:: Three experiments were conducted to determine the influence of supplementary biotin and of other nutrients on dermatitis and hatchability in both normal-size and dwarf Single Comb White Leghorn layers. Experiment One was divided into two parts. First, preliminary hatchability studies were conducted with both types of layers fed the rations...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF YAW OPOKU ATUAHENE for the degree of MASTER OF SCIENCE in POULTRY

Nutritional and management factors affecting foot pad dermatitis in singlecomb White Leghorn dwarf and normal-sized layers

Creator:: Burger, Roger Allen
Abstract:: Two studies were undertaken to evaluate the effects of nutrition and management factors on foot pad dermatitis in single-comb White Leghorn dwarf and normal-sized layers. In the nutrition study, caged layers were fed one of six different diets. These included three diets with different combinations of the trace minerals cobalt,...
Resource Type:: Masters Thesis
Full Text:: single-comb white Leghorn pullets. Poultry Sci. (To be submitted for publication.) Chaiet, L. and

The genetic parameters associated with egg production and related traits in a sex-linked dwarf strain of single comb White Leghorns (Gallus domesticus)

Creator:: Ngam, Joe Eric Tosah
Abstract:: 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...
Resource Type:: Dissertation
Full Text:: The genetic parameters associated with egg production and

Force-molting of white leghorn hens

Creator:: Knowlton, Frank L. (Frank Lester), 1894-1940 and Oregon State Agricultural College. Agricultural Experiment Station
Abstract:: Published July 1936. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: of White Leghorn Hens By FRANK L. KNOWLTON, Poultry Husbandman EGG PRODUCTION VARIES The egg

Genetical and environmental relationships between growth and egg production in the Leghorn fowl

Creator:: Johnson, Oran Leander
Resource Type:: Masters Thesis
Full Text:: and Egg Production in the Leghorn Fowl GENETICAL AND ENVIRONMENTAL RELATIONSHIPS BETWEEN GROWfH

The effects of cyclopropenoid fatty acids on the growth, blood lipids, and viral infectivity of White Leghorn chickens

Creator:: Swanson, Joy Emily
Abstract:: Three studies were designed to evaluate the promoting effect of cyclopropenoid fatty acids (CPFA) on avian myeloblastosis virus (AMV) infection in White Leghorn chickens. In the first study effects on growth parameters, blood serum and erythrocyte lipid composition of White Leghorn chickens were investigated at 100 ppm and 300 ppm...
Resource Type:: Masters Thesis
Full Text:: Leghorn Chickens. ^ Abstract approved: , _ , D.f. Selivonchick Three studies were designed to

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

ScholarsArchive@OSU

Single gene effects in chickens (Gallus gallus domesticus)

Sexual maturity and performance of white leghorn pullets subjected to intermittent watering, lighting regimes, and nutrient restrictions

Biotin supplementation of corn and wheat based rations and its influence on dermatitis and hatchability in dwarf and normal-size Single Comb White Leghorns

Nutritional and management factors affecting foot pad dermatitis in singlecomb White Leghorn dwarf and normal-sized layers

The genetic parameters associated with egg production and related traits in a sex-linked dwarf strain of single comb White Leghorns (Gallus domesticus)

Force-molting of white leghorn hens

Genetical and environmental relationships between growth and egg production in the Leghorn fowl

The effects of cyclopropenoid fatty acids on the growth, blood lipids, and viral infectivity of White Leghorn chickens

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

Effects of vitamin E, ethoxyquin and linoleic acid on reproduction of white leghorn males

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