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Some genetic and environmental factors influencing the weaning weights of southwestern range cattle

Creator:: Pahnish, O. F. (Otto Floyd), 1920-
Resource Type:: Dissertation

Selection for body weight in synthetic monoparous populations of mice

Creator:: Mason, Robert William
Resource Type:: Dissertation
Full Text:: populations of mice SELECTION FOR 3ODY WEIGHT IN SYNTHETIC MONOPA.ROUS 2OPtJLATIONS OF MICE by ROBERT

Relation of rate of gain to feed efficiency in beef cattle

Creator:: Blackwell, Robert Leighton
Resource Type:: Masters Thesis
Full Text:: , Rate of Gain and Feed Efficiency for Bull Calves with an Initial Weight of O Poiids and Fed for 100

The inheritance of growth and carcass characteristics in sheep

Creator:: Busch, Robert Edward
Resource Type:: Dissertation
Full Text:: . ' ' 7 sane) t a or The Robert La :sheen al; 2 line and year were inst :ificant

Association of genetically determined polymorphic blood components with prolificacies of purebred and crossbred pigs

Creator:: Kray, Roger LeRoy
Abstract:: Crossmatings were accomplished among three semi-closed lines within a population of pigs, for the purpose of investigating effects of crossbreeding on reproductive traits. Two of the lines were purebred (Berkshire and Yorkshire); the third line ("Composite") consisted of descendants from inter se matings among offspring of crosses of the Berkshire...
Resource Type:: Dissertation
Full Text:: described as the A-o blood group system differs from the above in some essential respects. The A A allele

Actual and predicted response to selection on maternally influenced traits in the mouse

Creator:: Lind, Ronald Egnard
Abstract:: An experiment was conducted to determine if selection from standardized litters would be effective in separating lines of mice selected for increased and decreased litter weight at 14 days of age, and if response to selection on this maternally influenced trait could be accurately predicted. Data were collected on litter...
Resource Type:: Dissertation

Genetics of sheep transferrins as determined by disc electrophoresis

Creator:: Nix, Carroll Eugene
Abstract:: A total of 902 plasma samples from the Rambouillet, Targhee, Columbia, Lincoln, and Suffolk breeds of sheep were analyzed for transferrin type by disc electrophoresis. Six transferrin types, Tf[superscript A], Tf[superscript B], Tf[superscript C], Tf[superscript p], Tf[superscript E], and Tf[superscript P], were found in the Rambouillet, Targhee, and Columbia breeds...
Resource Type:: Dissertation
Full Text:: 26. 35 6. 65 22 19. 22 2. 78 37 57. 37 -20. 37 6 6. 06 -0. 06 4 5.77 -1.77 CE 6 1 O. 61 -4.61 2 7.69

Some genetic and environmental factors affecting weaning weights of lambs

Creator:: Dahmen, J. J. (Jerome John), 1919-
Abstract:: Eight purebred rams (four Suffolk and four Panama) previously selected as high and low on the basis of post-weaning performance feed test of 84 days were used each of three years. Each of the rams was mated to approximately 25 grade Panama ewes each year. One ram and 25 ewes...
Resource Type:: Dissertation
Full Text:: the Panama -sired lambs by O. 9 pound at birth and 7. 8 pounds at weaning. The lambs sired by the

Selection applied, response of traits and combining abilities of inbred lines of beef cattle

Creator:: Hoornbeek, Frank K. (Frank Kent), 1928-
Abstract:: The investigations reported are based on two studies; the first is concerned with the selection practiced for performance in one inbred Angus and three inbred Hereford lines of cattle, the realized responses, levels of inbreeding and associated performance, and heritabilities of the performance traits. Selection differentials for all performance traits...
Resource Type:: Dissertation
Full Text:: and content of the thesis is gratefully acknowledged. Encouragement by Drs. J, C. Miller

Gonadotropins in pituitaries of inbred and linecross beef bulls and effects of irradiation of mammalian pituitary glands on their ability to induce in vitro ovulation of frog ovaries

Creator:: North, Warren Arthur
Abstract:: There were two studies involved in the thesis research. In the first study, variation in the amount of adenohypophysis gonadotropins among 22 individual beef bulls were investigated. These bulls represented four inbred lines, and six linecrosses. The bulls were raised in the Oregon State University purebred herd. The bulls were...
Resource Type:: Dissertation
Full Text:: appreciation is extended to Dr. J. C. Miller, Head of the Department of Animal Science, Dr. David C. Church

ScholarsArchive@OSU

Some genetic and environmental factors influencing the weaning weights of southwestern range cattle

Selection for body weight in synthetic monoparous populations of mice

Relation of rate of gain to feed efficiency in beef cattle

The inheritance of growth and carcass characteristics in sheep

Association of genetically determined polymorphic blood components with prolificacies of purebred and crossbred pigs

Actual and predicted response to selection on maternally influenced traits in the mouse

Genetics of sheep transferrins as determined by disc electrophoresis

Some genetic and environmental factors affecting weaning weights of lambs

Selection applied, response of traits and combining abilities of inbred lines of beef cattle

Gonadotropins in pituitaries of inbred and linecross beef bulls and effects of irradiation of mammalian pituitary glands on their ability to induce in vitro ovulation of frog ovaries

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