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Genetic and physiological factors associated with gonadotropic and thyrotropic hormone content of sheep pituitaries

Creator:: Plotka, Edward Dennis
Abstract:: Data were taken from 47 animals consisting of five breeds: Border Cheviot, Columbia, Dorset Horn, Suffolk, and Willamette. Both sexes were represented in each breed, although in unequal numbers. The pituitaries were assayed for gonadotropic and thyrotropic hormone content by injecting a suspension of the macerated gland in saline into...
Resource Type:: Masters Thesis
Full Text:: Dennis Plotka for the M.S. in Genetics (Degree) (Major) (Name) Date thesis is presented Title

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:: AN ABSTRACT OF THE THESIS OF DENNIS ERROL WEST for the

The effects of thiouracil and thyroprotein on growth, wool production and fertility of rams

Creator:: Adams, Charles C.
Resource Type:: Masters Thesis
Full Text:: Oran M. Nelson for his help and 1vice in regards to the wool study; to Professor A. W. iver for the

The inheritance of medullation in wool

Creator:: Young, Sing Sze
Resource Type:: Masters Thesis
Full Text:: strength. The spinning properties are lower, and Nelson, O. M. Private Coxniiiunication. 23 In

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:: , * 0 o e 0, * 4, .. 4 6'4 0 . . . . Figure 1 Growth Rate Lambs . 2 Growth Rate Lambs

Genetic and environmental differences in important economic traits of crossbred sheep in spring lamb production

Creator:: De Baca, Roberto Luciano C., 1930-
Resource Type:: Masters Thesis
Full Text:: , and for invaluable personal guidance, I express appreciation to Professor Oran M. Nelson

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:: capability for utilization of lactic acid and conversion of both lactate and glycogen to glucose. Dennis

Morphology of epididymal spermatozoa from inbred and linecross bulls

Creator:: Turner, H. A.
Abstract:: Data were presented on epididymal spermatozoa from 29 inbred and linecross bulls raised at Oregon State University in connection with the Western Regional Beef Cattle Breeding Project, W-1. The inbred bulls came from four inbred lines. Three of these inbred lines were Herfords and the other line was Angus. The...
Resource Type:: Masters Thesis
Full Text:: . O. Almquist. Reproductive capacity of dairy bulls. V. Detection of testicular deficiencies and re

Some factors affecting rate and economy of gains in beef cattle

Creator:: Dahmen, J. J. (Jerome John), 1919-
Resource Type:: Masters Thesis
Full Text:: ' of Anima]. Hu.sbanclry, for lus guidance which was o genorOEisly given in preparation ±S thesis

Reproductive performance in the rat in relation to selection for time of puberty

Creator:: Warren, Edward Perrin
Resource Type:: Dissertation
Full Text:: Stialation • • • • 10 Jb'perplaeia aa an Index o! Endocrine Stilllul.ation. 10 Colchicine Technique tor

ScholarsArchive@OSU

Genetic and physiological factors associated with gonadotropic and thyrotropic hormone content of sheep pituitaries

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

The effects of thiouracil and thyroprotein on growth, wool production and fertility of rams

The inheritance of medullation in wool

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

Genetic and environmental differences in important economic traits of crossbred sheep in spring lamb production

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

Morphology of epididymal spermatozoa from inbred and linecross bulls

Some factors affecting rate and economy of gains in beef cattle

Reproductive performance in the rat in relation to selection for time of puberty

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