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  • A clinical and genetic study of tuberous sclerosis

    Creator:
    Edwards, Thomas Allen
    Abstract:
    Tuberous sclerosis is a serious heritable human disorder that involves many organ systems. It was first recognized as a disease entity over a century ago. Its mode of transmission in familial cases has been fairly well established to be that of a single gene locus autosomal dominant trait. However, the...
    Resource Type:
    Masters Thesis
    Full Text:
    A clinical and genetic study of tuberous sclerosis AN

  • Hematological study of genetically different lines of growing beef cattle

    Creator:
    Bhannasiri, Tim
    Resource Type:
    Dissertation
    Full Text:
    Hematological study of genetically different lines of

  • Ova tranfers in sheep and rabbits : studies on material influences and irradiation damage

    Creator:
    Hunt, William Lynn
    Abstract:
    The first study utilized ova transfer in sheep and involved hormonal treatments for synchronization of estrus and superovulation in an investigation of crossbred maternal influences on inbred and linecross lambs. Synchronization of estrus in ewes was achieved effectively with either oral progestogen, 6 α-methyl-17α-hydroxy-progesterone acetate (60 mg./ewe/day), or intramuscular injections...
    Resource Type:
    Dissertation
    Full Text:
    '.2//4':t 2/- iZl:Z*--7---F - ',,'(Major profes,bor) The first study utilized ova transfer in

  • 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:
    next, each year comprised a separate study. Hormone treatment included the use of Pregnant Mare Serum

  • Effectiveness of selection for gains in body weight in beef cattle

    Creator:
    Hitchcock, Glen Henry
    Abstract:
    Research has yielded valuable information about the inheritance of body weight in many mammals. The results with one species may not be directly applicable to another species, but since the results do not contradict genetic theory, one must assume that the same general rules apply to all species. When the...
    Resource Type:
    Masters Thesis
    Full Text:
    author is very grateful to Dr. Ralph Bogart for his helpful guidance throughout the study of the data

  • Relationship of certain blood nitrogen constituents with growth in different genetic groups of sheep

    Creator:
    Yodseranee, Somchit
    Abstract:
    Market lamb production usually requires a short period of time. The success of production is therefore dependent upon the growth rate of the lambs which is influenced by milk yields of the ewes. Different growth potentials of animals result from a difference in their utilisation of food. Since metabolism affects...
    Resource Type:
    Masters Thesis
    Full Text:
    blood constitu- exits which can be measured, it was the objective of this experiment to study the

  • 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:
    other cases no such relationship was observed. The study may provide valuable clues as to the specific

  • Effectiveness of selection for productive characteristics in developing the Montana no. I hogs

    Creator:
    McEwen, Wesley Charles
    Abstract:
    One of the most important productive characteristics of hogs is reproductive efficiency. Reproductive efficiency is best measured by litter size at weaning. Litter size at birth and weight of the pigs at birth are among the most important factors affecting litter size at weaning. It has been demonstrated that less...
    Resource Type:
    Masters Thesis
    Full Text:
    , all information pertaining to the study was transí'ered to 5 x 8 inch index cards. The original

  • Serum T₄ and liver NAD and NADP as performance indicators in beef cattle

    Creator:
    Brokaw, Bryan Edward
    Abstract:
    The relationships of serum T₄ (thyroxine) levels and liver nicotinamide nucleotide coenzyme (NAD and NADP) levels with production of traits of beef cattle were investigated at both weaning (182 kg) and following performance testing (363 kg). In addition, the value of these parameters as selection criteria for improved performance was...
    Resource Type:
    Dissertation
    Full Text:
    to rate of gain was of small magnitude and its biological importance was negligible. In the case of

  • 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:
    maintained at an altitude of 250 feet above sea level had a frequency of Hb. A of approximately 5%. These