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Articles 8461 - 8490 of 8953
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Analysis Of Summer Spotlighting For Determining Deer Populations Indices, Donald C. Duerre
Analysis Of Summer Spotlighting For Determining Deer Populations Indices, Donald C. Duerre
Electronic Theses and Dissertations
Man changes his environment to suit his needs. In doing so he has destroyed forests, plowed the land, and built cities. Deer have adopted themselves to these changes, and in many instances populations have erupted as a result. Their ability to survive advancement of civilization and increasing hunting pressure has made deer the most important big-game animal in America, The importance of deer as a game animal has caused game agencies to institute more intensive management programs. Proper management of this species has long been a problem of game technicians. In order to obtain an optimum annual harvest, the technician …
Genetics Of Resistance To Selenium Poisoning In The Fruit Fly, Drosophila Melangaster, Carl T. Hansen
Genetics Of Resistance To Selenium Poisoning In The Fruit Fly, Drosophila Melangaster, Carl T. Hansen
Electronic Theses and Dissertations
The objectives of the experiments presented is to study the effects of different concentrations of selenium on reproductive performance. This was necessary in order to determine what concentrations of selenium should be used in subsequent experiments. To determine if natural variation is hereditary and if it can be utilized in breeding for resistance. The relationship of race differences and resistance. There are indications of variation in resistance between different breeds of swine and cattle. The relationship of sex to resistance. There are indications that a sex difference may exist in beef cattle since in some herds bulls are affected more …
The Effects Of Feeding A Ration Containing Erythromycin Thiocyanate To Growing-Finishing, Eldon Walter Juhl
The Effects Of Feeding A Ration Containing Erythromycin Thiocyanate To Growing-Finishing, Eldon Walter Juhl
Electronic Theses and Dissertations
A large number of Midwest farmers depend upon the swine enterprise for a part of their annual income. Swine sales constitute a large per cent of the cash farm income in this geographical area and therefore these animals represent a very important phase of livestock production. Approximately 18 per cent of the total cash farm income in South Dakota is obtained from the production of hogs. A successful swine producer is primarily interested in obtaining the greatest return for his financial investment and labor output. In order to attain these goals it is often desirable to feed a highly fortified …
Death And Crippling In The Marketing Of Swine, Richard Marion Luther
Death And Crippling In The Marketing Of Swine, Richard Marion Luther
Electronic Theses and Dissertations
The purpose of this investigation is to determine the incidence of death and crippling and its relationship to total numbers of swine marketed, to graphically illustrate annual, seasonal, monthly, weekly and daily patterns of swine marketing, death and injury, to relate length of-haul to incidence of loss and, to study the combined effect of year, month and distance hauled on rate of loss and damage.
The Symbolism Of The Land And Its Effect On Character In Eight Of Willa Cather's Novels, Fayrene West
The Symbolism Of The Land And Its Effect On Character In Eight Of Willa Cather's Novels, Fayrene West
Electronic Theses and Dissertations
No abstract provided.
The Effects Of 17-Α-Ethyl-19-Nortestosterone On Extraction Wound Healing, Stanley Miner Shaw
The Effects Of 17-Α-Ethyl-19-Nortestosterone On Extraction Wound Healing, Stanley Miner Shaw
Electronic Theses and Dissertations
Since protein anabolic agents are known to affect the rate of protein synthesis, this study was initiated in an effort to determine the effect of a drug of this type on extraction wound healing. A total of twenty-five female, Sprague-Dawley rats ranging in weight from 195-260 gms. were chosen as participants. After a two-week adjustment period, the animals were separated into a control and treatment group. Starting one day prior to extraction and continuing daily for a total of 14 days the treated rats were injected with 1.0 mgm. of 17- alpha-ethyl-19-nortestosterone in 0.04 ml. of a solution of 10% …
An Analysis Of Two Operas By Benjamin Britten / By Robert Ludwig Smith, Robert Ludwig Smith
An Analysis Of Two Operas By Benjamin Britten / By Robert Ludwig Smith, Robert Ludwig Smith
Electronic Theses and Dissertations
No abstract provided.
Secondary Reinforcement As A Function Of The Interval Between Pairings, Charles Cedric Hodge
Secondary Reinforcement As A Function Of The Interval Between Pairings, Charles Cedric Hodge
Electronic Theses and Dissertations
No abstract provided.
Criteria For Stark Young's Dramatic Criticism, Charles Clayton Harbour
Criteria For Stark Young's Dramatic Criticism, Charles Clayton Harbour
Electronic Theses and Dissertations
No abstract provided.
Special Problems Related To Accounting For The Lumber Industry, Dalton Monroe Mckinley
Special Problems Related To Accounting For The Lumber Industry, Dalton Monroe Mckinley
Electronic Theses and Dissertations
No abstract provided.
Native Clays : Development And Creative Use In Ceramics, Phil Edwin Manning
Native Clays : Development And Creative Use In Ceramics, Phil Edwin Manning
Electronic Theses and Dissertations
No abstract provided.
Parents' Response To An Immunization Program For Infants, Loris Majure Hatfield
Parents' Response To An Immunization Program For Infants, Loris Majure Hatfield
Electronic Theses and Dissertations
No abstract provided.
Humor In The Canterbury Tales, Walker A. Graham
Humor In The Canterbury Tales, Walker A. Graham
Electronic Theses and Dissertations
No abstract provided.
Milton's Attitude Toward Learning, Walter Allen Powell
Milton's Attitude Toward Learning, Walter Allen Powell
Electronic Theses and Dissertations
No abstract provided.
A Study Of Marjorie Kinnan Rawlings / By Patrick Davis Smith, Patrick D. Smith
A Study Of Marjorie Kinnan Rawlings / By Patrick Davis Smith, Patrick D. Smith
Electronic Theses and Dissertations
No abstract provided.
Meredithian Comedy : An Examination Of An Essay On Comedy And The Egoist, Coy Lee Nicholson
Meredithian Comedy : An Examination Of An Essay On Comedy And The Egoist, Coy Lee Nicholson
Electronic Theses and Dissertations
No abstract provided.
Factors Affecting The Return Of Stranded Fundulus Similis To Water / By Joe Ann Shearer, Joe Ann Shearer
Factors Affecting The Return Of Stranded Fundulus Similis To Water / By Joe Ann Shearer, Joe Ann Shearer
Electronic Theses and Dissertations
No abstract provided.
Improvement In Dental Health Practices Of Homemaking Students Through Study / By Janice Springer Sartor, Janice Springer Sartor
Improvement In Dental Health Practices Of Homemaking Students Through Study / By Janice Springer Sartor, Janice Springer Sartor
Electronic Theses and Dissertations
No abstract provided.
Germination And Seedling Growth As Affected By Seed Treatment With Gibberellic Acid And Hormones, Russell M. Burns
Germination And Seedling Growth As Affected By Seed Treatment With Gibberellic Acid And Hormones, Russell M. Burns
Electronic Theses and Dissertations
No abstract provided.
Aspects Of Individualism In Defoe's Narratives, William Allen Elwood
Aspects Of Individualism In Defoe's Narratives, William Allen Elwood
Electronic Theses and Dissertations
No abstract provided.
Some Studies In Thiophene Chemistry, Heino Alfred Luts
Some Studies In Thiophene Chemistry, Heino Alfred Luts
Electronic Theses and Dissertations
No abstract provided.
A Study Of Characterization In The Novels Of Fanny Burney, Patricia Ann Huddleston
A Study Of Characterization In The Novels Of Fanny Burney, Patricia Ann Huddleston
Electronic Theses and Dissertations
No abstract provided.
A Study Of Secondary Reinforcement Based On Shock Termination, Billy Ray Gay
A Study Of Secondary Reinforcement Based On Shock Termination, Billy Ray Gay
Electronic Theses and Dissertations
No abstract provided.
Effect Of Various Feed Additives On Gain, Feed Efficiency And Digestibility Of Rations By Lambs, Paul R. Zimmer
Effect Of Various Feed Additives On Gain, Feed Efficiency And Digestibility Of Rations By Lambs, Paul R. Zimmer
Electronic Theses and Dissertations
It is now an established practice to feed continuously certain feed additives in the rations of simple stomach animals for the control of disease, digestive troubles, bloat, internal parasites and for their growth stimulating properties. It is very important that additives of an antibacterial nature in rations for ruminants be studied thoroughly so their beneficial effects, if any, can be determined. If the bacteria are not functioning normally and digesting properly, the animal will suffer. Digestion of the ration would also be affected, and the efficiency of feed conversion would diminish. Supplements to the ruminant ration in the form of …
Studies On The Analysis And Esterification Of Cholesterol, Marvin Lee Withrow
Studies On The Analysis And Esterification Of Cholesterol, Marvin Lee Withrow
Electronic Theses and Dissertations
The recent widespread interest in the cause of atherosclerosis in humans has stimulated research in many fields of science. Articles describing cholesterol experiments on humans and lower animals indicate that an elevation of the blood level of cholesterol increases the incidence of atherosclerosis. Bloor and colleagues suggested an interrelationship between the metabolism of cholesterol and the highly unsaturated fatty acids of the blood. In these experiments it was found that the fatty acids present in neutral fat had the lowest unsaturation, the phospholipids contained the fatty acids of intermediate unsaturation, and the fatty acids present in cholesterol esters had the …
Some Effects Of Environment On Laying Hens, Lawrence U. Rubida
Some Effects Of Environment On Laying Hens, Lawrence U. Rubida
Electronic Theses and Dissertations
Good management dictates that laying hens be confined; so, environment to a laying hen is made up of conditions within the house in which she lives. These conditions, in South Dakota, range from poultry houses that put the hen under condition of stress to houses that offer the hen many comforts. The principal question is, does money spent on improving the conditions within a house pay for itself? Payments could be in the form of lower mortality, increased production, better feed efficiency or a combination of any or all factors. Among the environmental conditions that may affect the hen’s performance …
A Teaching Approach To Selected Works Of Ernest Hemingway, Helen E. Rezatto
A Teaching Approach To Selected Works Of Ernest Hemingway, Helen E. Rezatto
Electronic Theses and Dissertations
The basic purpose of this thesis is to report the use of a promising approach to specific portions of the work of Ernest Hemingway suitable for upper-level Freshmen English students. The six short stories selected are: “Indian Camp,” “the Battler,” “A Very Short Story,” “Soldier’s home,” “Big Two-Hearted River, I & II”, and “The Captial of the World”. All of the stories except eh last are from Hemingway’s first collection to achieve critical acclaim, In Our Time. In addition to these stories, the short sketches or vignettes which act as inter-chapters between the stories of In Our Time, are studied. …
Stilbestrol For Growing-Fattening Cattle, Dean Vinton Radabaugh
Stilbestrol For Growing-Fattening Cattle, Dean Vinton Radabaugh
Electronic Theses and Dissertations
The production of beef in South Dakota is one of the largest industries in the state. Those in the business of producing beef are constantly looking for newer methods of management, nutrition and breeding which will economically increase the production of beef. It has been shown that adding diethylstilbestrol to the rations or implanting diethylstilbestrol pellets in the ears will generally economically increase beef production by increasing rate of gains and feed efficiency. Several questions have been raised by livestock producers and research workers since the introduction of stilbestrol in beef cattle production. Some questions are: Does the administration of …
The Effects Of Colchicine On An Inbred Line Of Corn, Raymond A. Moore
The Effects Of Colchicine On An Inbred Line Of Corn, Raymond A. Moore
Electronic Theses and Dissertations
Investigation with mutagenic agents to increase variability in plants have met with some success in the improvement of agronomic crops. One such agent is colchicine, a poisonous alkaloid extracted from the autumn-flowering crocus (Colchicum autumale L.). Evidence of the mutagenic nature of colchicine without changing the chromosome numbers, has been shown in sorghum. Observations of the variability induced in sorghum lines by colchicine treatment inspired the present study which was undertaken to determine what effects this chemical might have on an inbred line of corn. Results similar to those in sorghum could be of utmost importance in corn breeding since …
The Effect Of Horseradish Peroxidase On Some Organic Peroxides, Dennis Lietz
The Effect Of Horseradish Peroxidase On Some Organic Peroxides, Dennis Lietz
Electronic Theses and Dissertations
Horseradish peroxidase is a well-known enzyme and one that is often studied. It is well suited for enzyme studies due to its availability, relative ease of preparation, and stability. Although a wealth of knowledge has been gained about this enzyme, very little can actually be said about the mechanism of the reaction. Much of the work that has been done has been concerned with the reaction with hydrogen peroxide. Methyl and ethyl hydroperoxides have also been studied in some detail but only a very few references can be found concerning the action of the enzyme on other organic peroxides. The …