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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:: Cardenas Dr. Warren Kronstad Dr. Paul Roberts Dr. D. C. England significantly aided the accomplishment of

An analysis of the response to selection for high and low rate of gain in the mouse, Mus musculus

Creator:: Burrill, Melinda Jane
Abstract:: An experiment was conducted to examine the responses to selection for high and low rate of gain in the mouse under a system whereby inbreeding was maximized. Rate of gain was measured by an index designed to include gains in both the pre- and postweaning periods with the gains in...
Resource Type:: Dissertation
Full Text:: members of my graduate committee; Dr, Ralph Bogart, Dr. Frank Conklin, Dr. Warren Kronstad, Dr, G. D

Hormonal stimulation of breeding activity in different genetic groups of ewe lambs

Creator:: West, Dennis Errol, 1942-
Abstract:: An investigation of the effects of exogenous gonadotropic treatments on fertility of various genetic groups of ewe lambs were run over a six-year period. Since hormonal treatments varied and the experimental animals were different from one breeding season to the next, each year comprised a separate study. Hormone treatment included...
Resource Type:: Dissertation
Full Text:: of the graduate committee, Dr. Frederick Hisaw, Dr. Warren Kronstad, and Dr. Howard Hillemann for

Influence of chelating agents on cytological exchanges and genetic recombination in Zea mays L.

Creator:: Jones, Donald Dean
Abstract:: The present investigation with the chromosomes of Zea mays was conducted to determine: (1) the effects of chelating agents on the process of cytological exchange, and (2) the effects of chelating agents on genetic recombination. To ascertain the influence of chelating agents on cytological exchange, four known heterozygolis paracentric inversion...
Resource Type:: Dissertation
Full Text:: guidance and dedication in helping with my program. I wish to especially thank Dr. Warren Kronstad for his

Genetic polymorphism of sheep hemoglobin

Creator:: Templeton, Joe Wayne, 1941-
Abstract:: Five breeds of sheep (Columbia, Targhee, Rambouillet, Lincoln, and Suffolk) were found to possess two hemoglobin types (Hb. A and Hb. B) when their hemoglobins were examined by disc gel electrophoresis. The hemoglobin alleles proved to be co-dominant. Three of the breeds (Columbia, Targhee, and Rambouillet) were maintained at altitudes...
Resource Type:: Dissertation
Full Text:: normal fetal hemoglobin (Hb. F) have been demon- strated in sheep. 4 Harris and Warren (1955) were

Comparative values of liver nicotinamide nucleotide coenzymes, endocrine glands, and their relationships with production traits of diallel crossed beef bulls

Creator:: Anwar-Afghan, Mohammad
Abstract:: This investigation for the first time reports information on the correlation of various forms and ratios of nicotinamide nucleotide coenzymes in the liver tissue and endocrine glands weight with various production traits. Fifty-five inbred and line cross beef bulls raised under standard management conditions and slaughtered at 1000 lbs. body...
Resource Type:: Dissertation
Full Text:: Dr. Warren Kronstad of Oregon State Univer- sity for their help with my graduate program. My thanks

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:: Ovulation of Frog Ovaries AN ABSTRACT OF THE THESIS OF Warren Arthur North for the Ph. D. in Genetics

Certain physiological and pharmacological effects of radiation on rabbits

Creator:: Wagelie, Edwin Gan
Abstract:: Data were taken, following irradiation exposure to 100r and 300r cumulative dose, on 89 rabbits of three breeds that vary greatly in body size. Hematological, intestinal motility, and ear vascularity examinations were performed. Least square estimates have been obtained and an analysis of variance has been conducted in order estimate...
Resource Type:: Dissertation
Full Text:: cells/cu mm in the sixth week following a single irradiation of the macaque with 350 r. Cohn (27

Genetic, environmental and residual maternal influences on cow productivity and growth of calves

Creator:: De Baca, Roberto Luciano C., 1930-
Resource Type:: Dissertation
Full Text:: APPROVED: Redacted for privacy r Professor Of Animal Husbandry In Charge of Major Redacted for

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

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

ScholarsArchive@OSU

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

An analysis of the response to selection for high and low rate of gain in the mouse, Mus musculus

Hormonal stimulation of breeding activity in different genetic groups of ewe lambs

Influence of chelating agents on cytological exchanges and genetic recombination in Zea mays L.

Genetic polymorphism of sheep hemoglobin

Comparative values of liver nicotinamide nucleotide coenzymes, endocrine glands, and their relationships with production traits of diallel crossed beef bulls

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

Certain physiological and pharmacological effects of radiation on rabbits

Genetic, environmental and residual maternal influences on cow productivity and growth of calves

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

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