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Application Of 125i To The Detection And Assay Of Viruses And Viral Antibody Adsorbed To Latex Particles, Charles Steven Duvall

Electronic Theses and Dissertations

This study, then, was undertaken to develop a universal, in vitro, extracellular method utilizing fluorescence and radioactive ¹²⁵I to rapidly detect, identify, and quantitate pathogenic viruses and viral antibodies. Focus of the study is the CLAM model, which consists of inert latex particles, plus four radioactively labeled components: antibody, virus, enzyme (RNase) and fluorochrome (FITC).

Proceedings Of The South Dakota Academy Of Science, 1973, Volume 52., South Dakota Academy Of Science

Proceedings of the South Dakota Academy of Science

Proceedings of the South Dakota Academy of Science, 1973, volume 52.

The table of contents lists the minutes of the fifty-eighth annual meeting, committee reports, new business, treasurer’s report, minutes of the Collegiate Section and the Junior Academy, tribute to W. O. Read, papers presented, and reports presented at the Senior Section and published by title only. The presidential address titled Yesterday and Today was given by Sister Veronica Fasbender.

The following research papers were presented at the fifty-eighth annual meeting held on April 27, 1973: Dissolved Organic Matter, Seston, and Zooplankton Cycles in Lake Poinsett, South Dakota by Richard …

Chemical Weed Control In Crops 1973, Cooperative Extension South Dakota State University

SDSU Extension Fact Sheets

This document covers a large number of chemical weed control options across a variety of grains and grasses in South Dakota for 1973. This Fact Sheet is designed to provide a summary of herbicide usage options. Chemical options are listed in a table with the following headers: weed name, chemical name, rate of application, time to spray, and additional remarks per chemical and plant type.

Feeding The Milking Herd, Cooperative Extension South Dakota State University

SDSU Extension Fact Sheets

The goal of most dairymen is to economically produce milk to the cow's highest inherited capacity. To do this, there are at least five essentials: (1) high genetic potential for milk production, (2) healthy cows, (3) proper milking techniques, (4) good quality feed, and (5) sufficient quantities of feed. If any one of these factors is not met, production is reduced. This publication will consider quality and quantity of feeds.

Supplying Minerals And Vitamins For Milk Production, Cooperative Extension South Dakota State University

SDSU Extension Fact Sheets

The minerals that are required to perform essential functions in the dairy cow's body are calcium, phosphorus, sodium, chloride, magnesium, potassium, sulfur, iodine, cobalt, zinc, manganese, copper, iron, selenium, and molybdenum. Those in bold type are termed the macro mineral elements since they are required in relatively large amounts compared to the others which are needed in trace amounts. Although any of these may be deficient in the feed supply in certain areas, the macro elements constitute 70 to 80 percent of all inorganic material in the body and are the ones we are most concerned about under South Dakota …

Forage Sorghums In South Dakota, Cooperative Extension South Dakota State University

SDSU Extension Fact Sheets

Sorghum, Sorghum vulgare Pers., believed to have originated in Africa, is a perennial crop in its native land. Forage sorghums are adapted to many areas of South Dakota. They are especially well adapted to most of the southern half of the state. Each year .25 to .5 million acres are planted.

Livestock Theft In South Dakota, Cooperative Extension South Dakota State University

SDSU Extension Fact Sheets

Livestock theft represents a substantial economic loss to producers because in many cases, most of the costs of producing an animal have already been incurred at the time of theft. Therefore, theft losses are a direct debit against the producers’ net profit.

South Dakota State University 1973 Summer Session Bulletin, South Dakota State University

South Dakota State University Catalogs and Bulletins: 1935 to present

No abstract provided.

Instrumentation For The Study Of Animal Responses To Ultrasonic Sound, Philip Y. L. Kwan

Electronic Theses and Dissertations

In cooperation with the United States Department of Agriculture, Agricultural Research Service, the Electrical Engineering Department at South Dakota State University is testing the effects of ultrasound on coyotes. It is known that coyotes can hear high pitched tones of higher frequency than that of the human ear. The overall goal of this research is to investigate the feasibility of using ultrasound to repel predators, mainly the coyote, from livestock. It has also been found from preliminary experiments that there is a significant increase in the heart rate of the coyote during exposure to noise levels of 100 to 110 …

Effect Of Breed Of Sire, Level Of Postweaning Nutrition And Type Of Birth (Single Vs. Twin) On Lambing Performance At 12 Months Of Age, A. L. Slyter

South Dakota Sheep Field Day Research Reports, 1973

One of the potential area to increase efficiency of sheep production, and thereby net return, is through an increase in the reproductive efficiency of the ewe. The practice of breeding ewes as lambs and thereby getting an additional lamb crop during a ewe's lifetime offers one possibility to increase the lifetime production of the ewe. Proper growth and development of replacment ewe lambs is necessary if this practice is to become a working reality.
A study was designed and initiated in the fall of 1970 to evaluate the effect of breed of sire, level of pre- and postweaning nutrition, age …

Processing Methods For Corn Grain Fed With Various Types, Sources And Levels Of Roughage To Cattle, Jerry Burkhardt

Electronic Theses and Dissertations

The research reported in this thesis involved experiments to determine the value of grain processed by various methods when fed various kinds and ratios of concentrate to roughage to feedlot beef animals of various ages and degree of fatness.

History Of Extension, Cooperative Extension Service, South Dakota State University, Epsilon Sigma Phi, South Dakota Chapter

SDSU Extension Publications Archive

The College had been doing a certain amount of Extension work since 1901, 13 years before the Smith-Lever Act was passed. This work consisted mainly of holding farmers' institutes, addressing farmers' meetings and judging at county fairs. During this 13-year period (1901-1914), four different superintendents were employed. Stacy Cochran served for two years. The work was discontinued for two years, and in 1905 it was reestablished under M. F. Greeley. He was succeeded in a short time by A. E. Chamberlain. The last man to hold the position before the work finally merged into Extension work was H. F. Stoner …

An Implantable Transmitter And A Complete Telemetry System For Body Temperature Measurement, Delbert D. Dais

Electronic Theses and Dissertations

This manuscript includes the specification, design, operation and results of an implantable temperature sensing transmitter and a pulse frequency to voltage converter with a digital temperature readout. The research project also includes Frequency Modulated (FM) receiver to complete the temperature measuring telemetry system. What are telemetry and biotelemetry? According to the Modern Dictionary of Electronics, telemetry is "the science of sensing and monitoring of information at some remote location and transmitting the data to a convenient location to be read or recorded". Biotelemetry is "the technique of measuring or monitoring vital processes and transmitting data without wire to a point …

A New Method For The Rapid Isolation Of Streptococcus Bovis From Water, Jeffry F. Kohlhoff

Electronic Theses and Dissertations

The importance of the fecal streptococci as indicators of water pollution has come under increasing scrutiny. in the past decade. This has been due in part to improved methods of detection of fecal streptococci. Also, the fecal coliform and total coliform tests and· their significance have been questioned. The fecal streptococci may furnish a more reliable means of identifying sources of pollution. The fecal streptococci are those gram-positive cocci which occur in the intestinal tract of man and animals. The Sherman criteria for identification of the fecal streptococci are used in Bergey's Manual of Determinative Bacteriology to differentiate the viridans …

Comparison Of Six Methods For The Quantitation Of Salmonella Species From Surface Water, James George Nothnagel

Electronic Theses and Dissertations

The Water Quality Act of 1965 sets forth the national policies for water pollution prevention, control, and abatement for interstate waters. This act requires all states to prepare water quality standards for the interstate waters within their boundaries. In compliance with this requirement, the "Water Quality Standards for the Surface Waters of South Dakota" was adopted in 1967, thus establishing official parameters of water quality for all surface waters in the state. These standards take into account the three principal sources of pollution in the state which are municipal, industrial, and agricultural. Of particular interest is the contamination of these …

Zeranol Or Diethylstilbestrol Implants For Feedlot Lambs, L. B. Embry, J. C. Ebert

South Dakota Sheep Field Day Research Reports, 1973

Less research has been conducted with lambs than with cattle where zeranol has been compared to a control group and to a DES-implanted group. With the removal of DES as an additive to the feed or as an implant, there is more interest in possible substitue products. While response of feedlot lambs to DES is of no practical concern at present, results from zeranol in comparison to DES give a more thorough evaluation of the product than studies with a comparison to only a control group. Two such experiments have been completed and are reported herein.

Increasing The Efficiency Of Lamb Production, Hudson A. Glimp

South Dakota Sheep Field Day Research Reports, 1973

Opportunities for increasing lamb production efficiency include increased rate of reproduction, more efficient lamb growth to heavier market weights with a higher lean to fat ratio, improved meat quality, and a more uniform distribution of high quality lamb throughout the year.

Weaning Systems For Range Lambs: A Progress Report, A. L. Slyter, W. R. Trevillyan

South Dakota Sheep Field Day Research Reports, 1973

Early weaning of lambs from ewes on native pasture offers several advantages to the range operator. Increased base ewe flock numbers and/or less grazing pressure, better range management, less carcass damage from needles and better feed efficiency of a younger lamb in drylot are some of the advantages that can be listed for early weaning.
A study was initiated at the Antelope Range Field Station in 1971 to study alternative management systems for range lamb production.

Planned Parturition: Progress Report, E. L. Harman, A. L. Slyter

South Dakota Sheep Field Day Research Reports, 1973

Management is probably the one most important factor in a successful sheep operation. The ability to exercise control over the lambing period through induced or planned parturition would give the producer another managmenet tool with which to work.
Possible benefits of induced parturition include (1) a concentration of labor resources, (2) maximum usage of lambing facilities, (3) shortening of gestation for multiple lambing systems, (4) reducing birth weights of lambs and (5) clean up of late lambing ewes.
Current research at South Dakota State University is designed to study the effect of certain hormones in relation to induced parturition.

Lambing Performance Of Finn Crossbred Ewes, A. L. Slyter

South Dakota Sheep Field Day Research Reports, 1973

Increased prolificacy of our domestic ewe flock offers one potential means of increased production per ewe unit. Utilization of a known littering breed, such as the Finnsheep, in a crossbreeding program on the ewe side offers an opportunity to increase the lamb drop from our domestic breeds.
Results of studies at South Dakota State University utilizing Finn crossbred ewes are reported in this paper.

Biology And Ecology Of False Wireworms In South Dakota (Coleoptera: Tenebrionidae), Carrol Otto Calkins

Electronic Theses and Dissertations

False wireworms were important pests of wheat on the Great Plains during the early 20th century. Until recently, they were of little importance; however, they are now occasionally appearing in damaging proportions. The purpose of studying the biological and ecological aspects of these insects in South Dakota was to understand the factors responsible for their demise and the circumstances that could affect the recurrence of damaging populations. The more common species of false wireworms found in South Dakota during this study were Eleodes suturalis (Say), E. opaca (Say), E. hispilabris (Say), E. tricostata (Say), E. extricata (Say), E. obsoleta (Say), …

Quantification Of Pollutants In Surface Runoff From Agricultural Lands In Brookings County, South Dakota, Leland Lester Harms

Electronic Theses and Dissertations

Surface runoff from snowmelt and rainfall was measured 1n eastern South Dakota from seven sites (7.18 to 18.69 acres) during 1971 and 1972. All sites had single crops which included corn, oats, pasture and hayland. All land was farmed under normal farming conditions. Samples were taken periodically throughout each runoff event, and a single composite sample was made from the individual samples for a particular site. The composite sample represented the entire runoff event. The amount of rainfall and the runoff flow were measured. Determinations on the composite sample included total coliform, fecal coliform, fecal streptococcus, soluble pesticides, specific conductance, …

The Determination Of Salmonellae Transmission In Embryonated Chicken Eggs By The Use Of Whole-Body Sagittal Section And Fluorescent Antibody Techniques, Mark Michael Kieffer

Electronic Theses and Dissertations

“Domestic poultry constitutes the largest single reservoir of Salmonella organisms existing in nature,” stated J. E. Williams of the Southeast Poultry Research Laboratory, Athens, Georgia. He reported that the frequency of salmonellae reported in poultry is due to the high population exposed to salmonellae and the extensive programs involved in isolation and identification. The 1971 annual Summary of Salmonella published by the Center for Disease Control, Atlanta, Georgia reports 25,694 cases of salmonellosis in humans. This figure represents an increase of 6.1% over the 24,216 cases reported in 1970, and a 16.6% increase over the 21,413 cases reported in 1969. …

Observations On The 1973 Livestock Outlook For South Dakota, Arthur W. Anderson

Economics Commentator (1972- 2016)

No abstract provided.

South Dakota State University Graduation Exercises, December 16, 1972, 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 1972 Graduation Exercises are R. Esther Erickson, Professor Emeritus of Nursing, and Hazel I. Hubbs, Professor Emeritus of Nursing. Dr. Vivian Volstorff, Dean of Women and Director of Student Activities, will deliver the address titled, "From Memory Lane to Horizons Unlimited." President Hilton M. Briggs will confer degrees and present diplomas.

Sdsu Collegian, December 13, 1972, Student Association Of South Dakota State University

The Collegian Archive : 1970 to 1979

Vol. 81, No. 15

Food Habits Of Deer In The Black Hills, J. C. Schneeweis, K. E. Severson, L. E. Peterson, T. E. Schenck

Research Bulletins of the South Dakota Agricultural Experiment Station (1887-2011)

This study was conducted in two parts for Master of Science theses by the senior authors of Parts I and II. The study in the Northem Black Hills (Part I) was completed in 1968. Principal and preferred foods were determined for the winter and summer and a pasture study was conducted to measure production and utilization of foods in a typical aspen stand during the summer months. The study in the Southern Black Hills (Part II) was made in 1968 and 1969. Objectives were to determine the principal plants used by mule and white-tailed deer in fall, winter and summer. …

Facts About Organic Farming And Gardening, Cooperative Extension South Dakota State University

SDSU Extension Fact Sheets

The frequently used terms "organic farming" or "organic gardening" have different meanings to different people. Some organic gardeners, for example, US'e sterile soil and furnish plant food in the irrigation water, but they refrain from using chemical herbicides, insecticides, fungicides or other pesticides. They call this "organic gardening," even though they are applying the same "inorganic" plant foods ― nitrogen, phosphorus, potassium ― and any of a dozen other inorganic elements essential for plant growth that are provided by nature. At the same time, they refrain from using pesticides which are "organic" compounds.

Grass Tetany In Cattle, Cooperative Extension South Dakota State University

SDSU Extension Fact Sheets

Grass tetany, recognized as a complicated magnesium deficiency, usually makes its appearance when cows are changed from the normal winter feeds to a new growth of grass in the early spring. In the Northern Great Plains, the critical period generally is late April and early May. A similar condition called "wheat pasture poisoning" occurs in cattle grazing winter wheat, particularly in the southern portion of the Great Plains. The extent to which these two diseases share common causes has not been determined.

Effect Of Copper Fed At Different Levels And For Different Lengths Of Time To Growing-Finishing Pigs, Richard C. Wahlstrom, George W. Libal, Lawrence R. Dunn, Royce J. Emerick

South Dakota Swine Field Day Proceedings and Research Reports, 1972

Previous work at the South Dakota station reported in A.S. Series 71-33 has shown that pigs fed 250 parts per million (ppm) copper in the diet have an increased rate of gain with the greatest response occurring during the early growth period. Livercopper stores are elevated by feeding 250 ppm of copper. The experiment reported herein was designed to study the effectiveness of various levels of dietary copper as well as to determine the carry-over effect of copper treatments administered only during an initial 8-week treatment period. The antibiotic tylosin was included as one treatment to aid in evaluating the …