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South Dakota State University

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Studies On The Gas Given Off By Yeast When It Goes From An Anaerobic To Aerobic Metabolism, David C. Potts Jan 1978

Studies On The Gas Given Off By Yeast When It Goes From An Anaerobic To Aerobic Metabolism, David C. Potts

Electronic Theses and Dissertations

Several investigators have observed that when yeast cells (yeast) go from a strictly anaerobic environment to an aerobic oner and glucose is added a negative value is recorded on the manometer. This phenomenon indicates that a gas has been given off by the yeast. The purpose of this research was to identify the gas and determine how it arises.

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Molybdenum(V) Solutions In Hydrobromic Acid, Edwin Charles Perley Jan 1978

Molybdenum(V) Solutions In Hydrobromic Acid, Edwin Charles Perley

Electronic Theses and Dissertations

Interest in the coordination chemistry of molybdenum has increased greatly in recent years because of the discovery that molybdenum plays an active role in several redox enzymes. Model systems have been devised to gain insight into the function of molybdenum in these enzymes. Most model systems are believed to contain an oxomolybdate(V) dimer in equilibrium with a redox active monomer or dimer. A relatively simple system that shows important similarities to model systems is a molybdenum(V) solution in hydrobromic or hydrochloric acid. As in the model systems, these solutions are believed to contain monomers and dimers in equilibrium. The equilibria …

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Deterioration Of Eggshell Quality And Calcium Metabolism In Laying Hens, Chang Won Kang Jan 1978

Deterioration Of Eggshell Quality And Calcium Metabolism In Laying Hens, Chang Won Kang

Electronic Theses and Dissertations

The present study was undertaken to: (1) develop a reliable method of measuring eggshell quality, (2) determine whether diet alterations that cause a somewhat reduced rate of egg production could influence shell quality, and (3) determine whether certain biochemical parameters involved in calcium metabolism are related to shell quality.

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A Budget Data Bank For South Dakota Crop And Livestock Enterprises, Herbert R. Allen Jan 1978

A Budget Data Bank For South Dakota Crop And Livestock Enterprises, Herbert R. Allen

Agricultural Experiment Station Technical Bulletins (1939-2011)

The budget data bank is a tool for developing and storing crop and livestock enterprise budgets, initially developed by Oklahoma State University. Teaching staff, research workers and extension personnel in farm management frequently have need for cost and return data on crop and livestock enterprises. In addition, it is necessary to frequently update the budgets under changing prices conditions or alter the budgets for specialized purposes. The budget data bank will store basic data for 349 budgets. It provides a system for quickly modifying and updating the budgets and a method for standardizing the format and computational procedures used in …

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Individual And Maternal Heterosis In Angus And Charolais Reciprocal Cross Cows And Three Breed Cross Calves Under Two Management Systems, M. A. Brown, C. A. Dinkel Jan 1978

Individual And Maternal Heterosis In Angus And Charolais Reciprocal Cross Cows And Three Breed Cross Calves Under Two Management Systems, M. A. Brown, C. A. Dinkel

South Dakota Cow-Calf Field Day Proceedings, 1978

Crossbreeding is being utilized as a management tool to increase the efficiency of beef production. Among the benefits of crossbreeding is the expression of both individual and maternal heterosis or hybrid vigor. Magnitudes of heterosis should be estimated so that it can be most efficiently utili zed in the traits where heterosis is expressed. The potential for the level of heterosis to depend on management should also be evaluated. The purpose of this research was to compare individual and maternal heterosis in cows raised in drylot with cows raised in pasture management.

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Fatty Liver-Hemorrhagic Syndrome (Flhs) In Caged Laying Hens, Richard A. Nelson Jan 1978

Fatty Liver-Hemorrhagic Syndrome (Flhs) In Caged Laying Hens, Richard A. Nelson

Electronic Theses and Dissertations

A series of eleven experiments was conducted with caged laying hens to study the effects of diet and strain on production and fat accumulation in the liver. In Experiments 1 to 4, a normal ad libitum feeding regime was used, while in Experiments 5 to 11, a force-feeding technique was used as a procedure to increase the incidence of FLHS. Four commercial hybrid strains and a straightbred SCWL (Regional Control) strain were utilized in this study. Choline supplementation at 1500 mg/kg of diet increased egg production from 1 to 11% while decreasing total liver lipid as much as 50%. Supplementation …

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C.S. Lewis's Interplanetary Trilogy: "An Imaginative Realization Of Doctrine", Marcia K. Houtman Jan 1978

C.S. Lewis's Interplanetary Trilogy: "An Imaginative Realization Of Doctrine", Marcia K. Houtman

Electronic Theses and Dissertations

Out of the Silent Planet, Perelandra, and That Hideous Strength are, in a sense, escape fiction; but they are also much more than that. Lewis's Christianity is something that cannot be separated from his fiction; although he perhaps did not begin writing the trilogy with the idea of making it a Christian apologetic and, in fact, claimed that he never started writing anything with a moral in mind, his faith was so completely a part of him that it could not help expressing itself even when he did not have that intention in mind. According to Austin Farrer in his …

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Alternative Pasture And Forage Systems, Lyle A. Derscheld, Wallace G. Aanderud Jan 1978

Alternative Pasture And Forage Systems, Lyle A. Derscheld, Wallace G. Aanderud

SDSU Extension Circulars

The livestock producer must use the most economical system for raising cattle or sheep if he is to stay in business. This publication discusses some of the pasture and forage alternatives for use between mid-April and November.

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A Comparison Between Crossbred And Straightbred Production Of Targhee Range Ewes, James M. Pajl Jan 1978

A Comparison Between Crossbred And Straightbred Production Of Targhee Range Ewes, James M. Pajl

Electronic Theses and Dissertations

This investigation was initiated. to determine the effect of crossbred vs. straightbred production under the environmental conditions found at the Antelope Range Research Station, Buffalo, South Dakota.

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Nonsporing Anaerobic Bacteria In Foods, Sylvia M. Huppler Jan 1978

Nonsporing Anaerobic Bacteria In Foods, Sylvia M. Huppler

Electronic Theses and Dissertations

Anaerobic non spore forming bacteria are not detected in routine food examinations, and their occurrences in foods has seldom been reported in the literature. The purpose of this study is to determine the occurrence of non-spore forming anaerobes, the identification of the isolates found, and the possible growth and multiplication in foods which might contribute to spoilage or food illness.

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Effects Of Gamma Radiation On The Southern Corn Rootworm, Denise Gayle Hanson Jan 1978

Effects Of Gamma Radiation On The Southern Corn Rootworm, Denise Gayle Hanson

Electronic Theses and Dissertations

Insects continue to be one of the major problems of man. It is, however, becoming more and more difficult to find substances that are effective in controlling insects and that are environmentally safe. It has become apparent that to control or eliminate harmful insects, alternate methods of control must be developed to replace or reduce the use of insecticides. One possible alternate method of control is to use insects against themselves in a process called the sterile male technique. This technique generally uses gamma radiation to induce sterility in males. When they are released into the native population and mate …

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Performance Of A Diurnally Tracking Solar Energy-Intensifier, Calvin E. Siegel Jan 1978

Performance Of A Diurnally Tracking Solar Energy-Intensifier, Calvin E. Siegel

Electronic Theses and Dissertations

The United States agricultural system provides numerous opportunities in which solar energy can be utilized. Low to moderate temperature rise collectors can provide a large percentage of the energy requirements normally met by using high quality fossil fuels. As world demand for food production increases due to a growing population, alternative sources of energy need to be developed and applied as substitutes for these increasingly scarce fossil fuels. Agriculture offers practical advantages for the use of solar heat energy because there exists sufficient area for solar collectors and a wide range of temperature applications on most farmsteads. Demand for energy …

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South Dakota State University Graduation Exercises, December 17, 1977, Brookings, South Dakota, South Dakota State University Dec 1977

South Dakota State University Graduation Exercises, December 17, 1977, Brookings, South Dakota, South Dakota State University

Commencement Programs

Please be advised that the individuals listed in the program do not officially confirm meeting the graduation requirements. Honorary marshals for the Fall 1977 Graduation Exercises are Zora R. Colburn, Professor Emeritus of Nutrition and Food Science, and Lillian Lund, Professor Emeritus of Textiles and Clothing. Oregon State University President Robert W. Mac Vicar will deliver the address titled, "In Search of a New Puritanism." President Sherwood O. Berg will confer degrees and present diplomas. Lt. Col. Patrick Hosman and Col. Kendall O. Iverson will recognize Army and Air Force officer commissions.

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Sdsu Collegian, December 14, 1977, Student Association Of South Dakota State University Dec 1977

Sdsu Collegian, December 14, 1977, Student Association Of South Dakota State University

The Collegian Archive : 1970 to 1979

Vol. 86, No. 14

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Alternative Pasture And Forage Systems, Lyle A. Derscheid, Wallace Aanderud Dec 1977

Alternative Pasture And Forage Systems, Lyle A. Derscheid, Wallace Aanderud

SDSU Extension Circulars

This publication discusses some of the pasture and forage alternatives for use between mid-April and November. It provides information on forage species, grass mixtures, grass-legume mixtures, grazing systems, and forages for five 30-45 day periods. Tables and instructions to estimate costs and acreage requirements for forage production are also included.

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Southeast South Dakota Experiment Farm Annual Progress Report, 1977, Agricultural Experiment Station Dec 1977

Southeast South Dakota Experiment Farm Annual Progress Report, 1977, Agricultural Experiment Station

Agricultural Experiment Station and Research Farm Annual Reports

This seventeenth annual report of the research program at the Southeast South Dakota Experiment Farm has special significance for those engaged in agriculture and the agriculturally related businesses in the nine county area of southeast South Dakota. Reports in this document include information on: temperatures and precipitation data, corn breeding and performance, soybean research and planting, crop rotation.

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Bone Development Of Pigs As Affected By Calcium And Phosphorus Levels And Floor Types, George W. Libal, Richard C. Wahlstrom, Steven L. Robbins, James L. Girard Nov 1977

Bone Development Of Pigs As Affected By Calcium And Phosphorus Levels And Floor Types, George W. Libal, Richard C. Wahlstrom, Steven L. Robbins, James L. Girard

South Dakota Swine Field Day Proceedings and Research Reports, 1977

The relationship between mineral levels in the diets of growing-finishing swine and the type of confinement system in which that are raised is not fully understood. In a previous report (A.S. Series 75-52), we reported the performance data of an experiment designed to provide more information in this area. Reported herein is the information on bone stregnth and bone development as related to floor type and calcium and phosphorus levels in the diet.

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Opaque-2 Corn In Finishing Swine Diets, Richard C. Wahlstrom, George W. Libal Nov 1977

Opaque-2 Corn In Finishing Swine Diets, Richard C. Wahlstrom, George W. Libal

South Dakota Swine Field Day Proceedings and Research Reports, 1977

Opaque-2 corn contains approximately 50 to 100% more lysine and 50% more tryptophan than normal corn varieties. Since these two amino acids are the most deficient normal corn varieties. Since these two amino acids are the most deficient in normal corn-supplement rations, the sue of opaque-2 corn in swine diets will reduce the amount of protein supplement needed. Previous research at South Dakota has shown that finishing pigs fed opaque-2 corn supplemented with lysine and threonine grew at a similar rate but required more feed/gain than pigs fed a 13% protein corn-soybean meal diet. The objective of this study was …

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Compensatory Growth In Swine, Richard C. Wahlstrom, George W. Libal Nov 1977

Compensatory Growth In Swine, Richard C. Wahlstrom, George W. Libal

South Dakota Swine Field Day Proceedings and Research Reports, 1977

It is well known that young growing pigs have a higher dietary protein need than older finishing pigs. Previous research at this station, reported in A.S. Series 76-35. showed that pigs fed low-protein diets during early growth had reduced growth rate and increased feed/gain. Feeding an adequate protein diet after the deficient diet resulted in a trend for performance above that of designed to further study the effect of a short period of protein insufficiency on gain feed/gain during subsequent growth periods.

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Dehydrated Alfalfa In Sow And Gilt Gestation Diets, George W. Libal, Richard C. Wahlstrom Nov 1977

Dehydrated Alfalfa In Sow And Gilt Gestation Diets, George W. Libal, Richard C. Wahlstrom

South Dakota Swine Field Day Proceedings and Research Reports, 1977

Swine Producers have used alfalfa as a feed constituent in a swine gestation diet for years. Theoretically, if sows would eat enough, alfalfa could be nearly complete feed with only vitamins, trace minerals and phosphorus supplemented. Bulky ground alfalfa is a relatively unpalatable feed for swine and dehydrated alfalfa initially is rejected as the sole feed source. However, several research stations have shown that sows will, with time, adjust to desirable levels of consumption of dehydrated alfalfa when fed as the only feed supplied or when fed with small quantities of grain initially. The study feed source for sows and …

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Twenty-First Annual Swine Day, Animal Science Department Nov 1977

Twenty-First Annual Swine Day, Animal Science Department

South Dakota Swine Field Day Proceedings and Research Reports, 1977

These are the complete proceedings of the twenty-first annual South Dakota Swine Field Day held on November 17, 1977 at South Dakota State University.

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High-Protein (Spear) Oats For Sows During Reproduction, Richard C. Wahlstrom, George W. Libal Nov 1977

High-Protein (Spear) Oats For Sows During Reproduction, Richard C. Wahlstrom, George W. Libal

South Dakota Swine Field Day Proceedings and Research Reports, 1977

The objective of this experiment was to determine the effect of Spear oats as the only source of protein to sows during gestation and as the only grain source in lactation diets on sow reproductive performance and pig performance to weaning.

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Effect Of Housing Type, Feeder Space And Pen Space On Performance Of Growing-Finishing Pigs, Richard C. Wahlstrom, George W. Libal Nov 1977

Effect Of Housing Type, Feeder Space And Pen Space On Performance Of Growing-Finishing Pigs, Richard C. Wahlstrom, George W. Libal

South Dakota Swine Field Day Proceedings and Research Reports, 1977

The experiment reported herein was conducted to obtain more information on the performance of pigs housed in different types of buildings and the effect of pig density per feeder hole.

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Effect Of Organic Iron In Starter And Grower Diets, Richard C. Wahlstrom, George W. Libal Nov 1977

Effect Of Organic Iron In Starter And Grower Diets, Richard C. Wahlstrom, George W. Libal

South Dakota Swine Field Day Proceedings and Research Reports, 1977

The objective of this trail was to determine the benefit of adding an organic iron (Swinacol 600) to the diets of early weaned or growing pigs.

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High-Protein Oats In Ground And Pelleted Pig Starter Diets, Richard C. Wahlstrom, George W. Libal Nov 1977

High-Protein Oats In Ground And Pelleted Pig Starter Diets, Richard C. Wahlstrom, George W. Libal

South Dakota Swine Field Day Proceedings and Research Reports, 1977

The objectives of this experiment were to obtain further information levels of Spear oats in ground diets and to determine the level of Spear oats that could be included in starter diets when the diets were fed in pelleted form.

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South Dakota Feed Grains Used For Swine Feeds, L. J. Kortan Nov 1977

South Dakota Feed Grains Used For Swine Feeds, L. J. Kortan

South Dakota Swine Field Day Proceedings and Research Reports, 1977

The value of a feedstuff is based on several factors; acceptability (how well the material will be consumed by an animal), energy availability and as a source of other nutrients (proteins, vitamins and minerals). Should a swine producer feed corn or wheat or barley or oats and others as a grain ingredient? In South Dakota, this will depend primarily upon availability, cost of these ingredients and their value as a souce of energy for swine.

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Lysine-Energy Relationships In Diets For Growing And Finishing Swine, Richard C. Wahlstrom, George W. Libal, James L. Girard Nov 1977

Lysine-Energy Relationships In Diets For Growing And Finishing Swine, Richard C. Wahlstrom, George W. Libal, James L. Girard

South Dakota Swine Field Day Proceedings and Research Reports, 1977

Increasing the energy content of swine diets will generally improve feed efficiency as less feed is consumed and rate of gain is not affected. Limited research with weaned pigs has indicated that the lysine requirement is increased as dietary energy increases when there are relatively large differences in dietary energy increases when there are relatively large differences in dietary energy content. Previous research at this station (A.S. Series 76-33) finishing pigs when 5% fat was included in corn-soybean diet. The experiment reported here was conducted to obtain additional information on the effect of lysine and energy relationships in diets fed …

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Sdsu Collegian, November 9, 1977, Student Association Of South Dakota State University Nov 1977

Sdsu Collegian, November 9, 1977, Student Association Of South Dakota State University

The Collegian Archive : 1970 to 1979

Vol. 86, No. 11

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Causes Of Mortality In Poultry Submitted To The Animal Disease Research And Diagnostic Laboratory, July 1976-June 1977, Martin E. Bergeland Nov 1977

Causes Of Mortality In Poultry Submitted To The Animal Disease Research And Diagnostic Laboratory, July 1976-June 1977, Martin E. Bergeland

South Dakota Poultry Field Day Proceedings and Research Reports, 1977

No abstract provided.

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Responses Of Two Strains To Amino Acid Additions In Low Protein Layer Diets, A. B. Kashani, C. W. Carlson Nov 1977

Responses Of Two Strains To Amino Acid Additions In Low Protein Layer Diets, A. B. Kashani, C. W. Carlson

South Dakota Poultry Field Day Proceedings and Research Reports, 1977

It is well agreed among scientists that the better the balance of amino acids in the diet of poultry, the lower the bird's requirement for dietary protein. Generally, a lower protein content should result in lower cost of production and increased economic return. Studies at the South Dakota Agricultural Experiment Station showed that low protein com-soy diets for egg production are deficient in methionine, lysine arid tryptophan. A beneficial response was obtained in a recent study when the combination of isoleucine and valine was added to a 10% protein diet containing additions of methionine, lysine and tryptophan. Furthermore, a genetic …

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