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A Study Of The Off-Farm Agriculture Occupations Of Millard, Beaver, Iron, And Washington Counties In Utah, To Determine Educational Needs, Thales C. Brown

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The objectives of this study were to gather information concerning the off-farm agricultural occupations of Millard, Beaver, Iron and Washington Counties.

A list was made of present and anticipated number of employees in these occupations with the numbers involved in full-time, part-time, and female work.

Occupations with similar backgrounds were clustered into four main areas. These were further classified into individual jobs.

Comments were made concerning the competencies needed for entry and satisfactory performance in these occupations.

Some of the characteristics of these occupations as to salary, required experience, labor laws and education requirements were reported.

An attempt was made …

The Influence Of Supplemental Irrigation And Environmental Factors On The Yield And Nutrient Composition Of Napiergrass, Modesto Capiel

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Adoption of supplemental irrigation as a practice in Puerto Rico will be slow. Because irrigation is thought to be needed only occasionally, farmers look at it as an uneconomical operation. Even in the agricultural policy, supplemental irrigation is treated lightly, with limited funds allocated for research in this area.

Eutrophication Trends Of Bear Lake, Idaho-Utah And Their Effect On The Distribution And Biological Productivity Of Zooplankton, David Nyquist

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Zooplankton of the littoral and limnetic zones of Bear Lake, Idaho-Utah, were collected over a 17-month period. Twenty-three species of zooplankton were recorded, as well as nine other species represented by both flora and fauna. At the time of sampling 17 physical and chemical parameters were also measured. Methods of analysis for the plankton and the environment are described and discussed.

The objectives of this project were fourfold:

1. To establish a record of the current zooplankton population before changes due to the increase of organic nutrients occur.
2. To compile a qualitative and quantitative standard against which future populations can be …

Notes On The Oaxacan Vole, Microtus Oaxacensis Goodwin, 1966, J. Knox Jones Jr., Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

Goodwin (American Museum Novitates, 2243: 1-4, 1966) named Microtus oaxacensis on the basis of a single male taken in "evergreen rain forest at Tarahundi, a ranch near the village of Vista Hermosa," at an altitude of "about 5,000 feet" in the Mexican state of Oaxaca. On June 25, 1964, members of a field party from the Museum of Natural History, The University of Kansas, obtained two adult voles referable to oaxacensis in "dense cloud forest" southwest of Vista Hermosa (approximately 25 kilometers to the south of the type locality) as follows: male (KU 100046) from 6% miles SSW Vista Hermosa, …

An Ecological Study Of Waterfowl Habitat At Powell's Slough, Utah Lake, Bruce I. Barnett

Theses and Dissertations

This study attempts to give a preliminary survey of the marsh habitat in Powell's Slough near Utah Lake. The following aspects are treated: seasonal waterfowl utilization of the slough, productivity of nesting water-fowl, description of the vegetation, invertebrate analysis, and analysis of environmental factors that may influence the habitat.

Aquatic Phycomycetes Of Lily Lake, Hugh Macmillan Rooney

Theses and Dissertations

Lily Lake, a subalpine lake in the Wasatch National Forest Tl5, R9E, S31, of the Uinta Mountain Region, Utah, is located about one-half mile west of Trial Lake at an elevation of 10,000 feet. This Lake, which is one of the acidic, cold, lentic bogs characteristic of this area, has been selected for a taxonomic and seasonal distribution study of acquatic phycomycetes. This study is a beginning to our knowledge of the role of the fungi in the hydrobiology of Lily Lake and will supply the first information on record of the water molds of this area. The study identifies …

Physiological Variations In The Uinta Ground Squirrel (Citellus Armatus) In Relation To Seasonal Activity And Altitude, Marden Reed Kohler

Theses and Dissertations

The purpose of this investigation was to study the weight changes of selected internal organs to determine possible physiological variation occurring at six different altitudes ranging from 5,800 to 8,500 feetand during the summer season. This report was limited to the study of changes in the adrenal glands, kidneys, testes, heart and intestines. Electrocardiogram, heart and respiration rates were investigated also. These changes were statistically analyzed to determine possible seasonal differences along with any significant changes occurring at different elevations. The results of the study should in part overcome the lack of current experimental data for Citellus armatus.

A Study Of The Golden-Mantled Ground Squirrel (Citellus Lateralis) In A Sagebrush-Grass Community, Dennis E. Peterson

Theses and Dissertations

Golden-mantled ground squirrels (Citellus lateralis Say) typically inhabit coniferous forest regions, but they occasionally occur in desert shrub habitats. The principal purpose of this study was to observe activities of mantled squirrels in a sagebrush community, and to ascertain factors which contribute to their success in an unusually arid habitat. Squirrels of this community belong to the subspecies C. l. lateralis; however, intergradation between typical C. l. lateralis and C. l. castanurus is evident. This community is in the Wasatch Mountains at an elevation of 5,750 feet, and in the Upper Sonoran Zone. These three conditions were not previously recorded …

Investigations Into The Spawning Ecology Of The White Bass Roccus Chrysops, (Rafinesque) In Utah Lake, Utah, Frédérick Vinvent

Theses and Dissertations

Utah Lake, located in Utah County, north-central Utah, is one of the most important natural fishing lakes in the state. The spawning ecology of the white bass (Roccus chrysops) was studied in Utah Lake between 1964 and 1966. Gill nets and seining were the primary means of sampling. The spawning location was sampled every other day throughout the spring and early summer of 1966. Three major winter schooling areas were found: Provo Bay - Creer Access south to the mouth of Spanish Fork River, Lincoln Beach, and off Ludlow Barn. There appears to be extensive winter feeding and movement among …

Life History And Ecology Of The Colorado Chipmunk (Eutamias Quadrivittatus Hopiensis), Carl Eugene Wadsworth

Theses and Dissertations

Observations of reproductive behavior, growth and development of the young, food habits, habitat preference, and daily and seasonal activity patterns of the Colorado chipmunk are presented for the first time. The breeding cycle is as follows: mating occurs in late February or early March; the young are born in early to mid-April and first appear above ground in May, but do not reach breeding age until the following spring. There is only one litter of young per year. The mean number per litter was 5.7 for three litters born in captivity. The sex ratio of the animals born in captivity …

A New Subspecies Of The Fringe-Tailed Bat, Myotis Thysanodes, From The Black Hills Of South Dakota And Wyoming, J. Knox Jones Jr., Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

A new subspecies of Myotis thysanodes, possibly representing a disjunct population, is described from the Black Hills of South Dakota and Wyoming. The new race is compared with M. t. thysanodes and also with Myotis evotis evotis, which it superficially resembles.

Venison Flavor: The Free Fatty Acid Content Of Fat From Lean Meat Tissue, Von T. Mendenhall

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Millions of pounds of venison are harvested each year in the United States. Over 12,000,000 pounds of dressed venison are harvested during the regular season each year in the State of Utah. The hunters of venison contribute approximately 10 1/2 billion dollars to the economy of the state for licenses, lodging, transportation, and other expense of hunting. In many cases this source of meat is a significant part of the household meat supply. Venison is often wasted, however, because of its undesirable flavor. The lack of knowledge as to the causes of variation in venison flavor has prompted this study. …

Effects Of Temperature On In Vitro Excystation Of Various Eimeria Species, Larry E. Hibbert

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Cleaned oocysts of Eimeria bovis, E. ellipsoidalis, E. auburnensis, and E. zurnii of cattle, E. ahsata and E. ninakohlyakimovae of sheep, E. bilamellata and E. callospermophili of the ground squirrel, and E. tenella of chickens were pretreated with 50 percent carbon dioxide/50 percent air at temperatures ranging from 29 to 45 C with 2 degree intervals for 4, 6, 8, 10, and 30 hours and treated with bile and trypsin.

The optimum temperature in species of ruminant coccidia was 39 to 41 C. In E. bovis, excystation occurred from 29 to 43 C. At 43 C and above, …

Feeding Ecology And Territorial Behavior Of The Yellow Warbler, Merrill J. Frydendall

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A controversy dating from the appearance of Altum's book, Der Vogel und sein Leben, 1868 (Mayr, 1935) is that of the biological function or functions of the territorial behavior in birds. However, attention was not focused upon this problem until the advent of Howard's book, Territory in Bird Life, published in 1920. In a general review of the problem Hinde (1956) discussed several functions of the territory and presented evidence both for and against their importance. The more important of these presumed functions are: (1) limitation of population density; (2) facilitation of pair formation and maintenance of the …

An Analysis Of The Activities Of Agricultural Credit Corporation In Jordan, Akram M. Steitieh

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Since 1950, the Hashemite Kingdom of Jordan includes the area currently called East Jordan (previously called the Hashemite Kingdom of Transjordan) and West Jordan, or the parts of Palestine held by the Arabs following the Arab-Israeli War in 1948.

Factors Influencing Meat Consumption In The Home, Cache And Box Elder Counties, Utah, 1965-1966, William Duane Evans

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Meat is important in the American diet. Money spent for meat ranks as the largest single item in the family food dollar. Various studies indicate that the proportion of the food dollar spent for meat ranges from 25 to 30 percent. Such foods as dairy products and fresh and frozen fruits and vegetables calculated as separate groups account for a smaller single percentage than meat. Dairy products, the one of next importance to meat, account for approximately 18 percent of the consumer's food dollar.

An Evaluation Of Control On The Pocket Gopher, Thomomys Talpoides, On The Cache National Forest, Utah, Voit B. Richens

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The Monte Cristo area of the Cache National Forest has consistently supported a heavy pocket gopher infestation for many years. In 1957, and several succeeding years, infested range was treated with poisoned grain for pocket gopher control. Nearby range (also infested) was not treated. Thus, gopher-controlled range became available for comparative study, with periods of successive annual control of 1, 2, 3, 4, and 5 years. Within each of these areas (designated as treatments) were located two study sites in 1961 and three in 1962. Within each study site were three sample areas, and just outside each study site were …

The Free Sterol Content Of Selected Clones Of Alfalfa As Related To Seed Infestation By The Alfalfa Seed Chalcid, Rex Alton Richards

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The infestation of twelve selected clones of alfalfa by the alfalfa seed chalcid was measured. The free sterol content of the stems, leaves, flowers and pods of these clones was determined. A check was made to see if there was a correlation between the sterol content and the chalcid infestation.

Differences were found among the clones in the sterol content for each plant part. There were also significant differences in percent chalcid infestation in the 12 clones. Duncan's New Multiple Range Test pointed out which clones differed Significantly from the others.

Using linear regression analysis, the correlation coefficient of the …

The Incidence And Life Cycle Of Eimeria Utahensis Sp. N. From Kangaroo Rats Of Northwestern Utah, John V. Ernst

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A total of 176 kangaroo rats (151 Dipodomys ordii and 25 D. microps) were captured in northwestern Utah and examined for coccidia. Of these 176 rats, four D. ordii (2.6%) and four D. microps (16.0%) were infected with Eimeria utahensis, a new species of coccidia. Little seasonal difference was found in the infection rate of either species. The characteristics of the sporulated oocysts of this species were described. A sporocyst plug was reported for the first time in an eimerian oocyst.

Artificially excysted sporozoites were studied by various methods. Thirty living sporozoites averaged 22.5 𝜇 in length by …

Brisket Disease: Elemental And Oxalate Contents Of Cattle Forages On Two Utah Cattle Allotments, Raga Hafez I. Abaza

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

It was hypothesized that the hypocalcemia, hyperphosphoremia, hyperkalemia and the mild hypochromic microcytic anemia which existed in cattle afflicted with brisket disease could be due, at least in part, to nutritional disturbances. A chemical composition study was made of seven monocotyledonous plant species that comprise a major part of the diet and nine dicotyledonous plant species consumed by cattle and known or suspected of being poisonous. The plants analyzed were collected from two cattle grazing allotments, 7-mile and UM, in the Fishlake District, Fishlake National Forest, Utah, where brisket disease incidence is high. In each species the percentages on dry …

Economic Analysis Of An Iranian Water Development: The Sefeed Rood Project, Malek M. Mohtadi

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This thesis is an evaluation of the methods and assumptions employed by those groups responsible for preparation of the original benefit/cost data describing the Sefeed Rood project. Benefit/cost ratios reported by the French engineering firm, Cotha Sogreah, and Plan Organization in a joint study range from 2:1 to 2.6:1 (6 and 10). A priori these seem suspect since the dam plus necessary canals and diversion works are obviously large and costly and only primary benefits are considered. The question is whether the potential benefits are likely to ever yield a positive return on investment and, if so, how long a …

Life Cycles Of Three Species Of Eimeria From The Uinta Ground Squirrel, Spermophilus Armatus, Kenneth S. Todd Jr.

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A study of the coccidia of the Uinta ground squirrel, Spermophilus (Citellus) armatus, was undertaken to determine the incidence of coccidia in a population of these ground squirrels, the life cycle and pathogenicity of the coccidia, and the host specificity of certain of the species of coccidia found in this and five other species of ground squirrels (S. richardsoni, S. variegatus, S. lateralis, S. columbianus, and S. beecheyi).

Uinta ground squirrels were live trapped and their feces examined to determine the incidence of coccidian infection. Specimens of S. armatus were maintained in the laboratory and given a pure inoculum of …

Forage Yield And Chemical Composition Of An Orchardgrass-Bromegrass Pasture Mixture As Influenced By Clipping Frequency, Nitrogen Fertilization And Irrigation Regime, Vinayak G. Gawai

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The influence of agronomic practices on forage production and chemical composition of an orchardgrass-bromegrass pasture mixture was studied at the Greenville Farm, Logan, Utah, during 1960-1964. The soil is a well drained Millville Silt loam that has about a one percent slope and occurs on an alluvial fan. It is high in potash, phosphorus and calcium and is alkaline having a pH of 7.9 to 8.2.

Analysis of the clipping frequency showed that the yield of forage from four harvests was greater than from five harvests. This difference was greater on plots receiving high rates of nitrogen fertilization, and frequent …

The Ecology Of The Black-Bellied Tree Duck In Southern Texas, Eric George Bolen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The black-bellied tree duck (Dendracygna autumnalis) is one of eight tree ducks (whistling ducks) in the genus Dendracygna. This group shares enough characteristics--reticulated tarsus and symmetrical syrinx structure, among others--with the swans and geese to warrant a common subfamily, Anserinae of the waterfowl family Anatidae. DeIacour and Mayr (1945) make a tribal distinction, however, between the tree ducks (Dendracygnini) and the swans and geese (Anserini) based, in part, an differences in size, vertebrae number, and downy plumage. These same authors remark that the tree ducks are the least known of the waterfowl largely because there are no …

Heat Denaturation Of Serum Proteins In Skimmilk And Whey As Measured By The Harland-Ashworth Test, Lynn Verl Ogden

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Milk serum proteins have been shown by other workers to be partially protected from heat denaturation by the presence of milk solids (8, 15, 16) and whole caseinate (14). This study revealed that some serum proteins (B-lactoglobulin), as shown by the Harland-Ashworth test (14, 17), were more readily denatured in skimmilk than in rennet whey. A comparison of the heat denaturation rate of serum proteins in whey as opposed to those in whey containing 2.5 percent isoelectric casein was also studied. A striking protection of serum proteins seemed apparent in the presence of isoelectric casein. However, it was learned that …

Effect Of Large Doses Of Nicotinic Acid On The Lipid Composition Of Serum, Shu Hua Chen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Although much information is available in which the cholesterol level and concentration of other lipids in serum have been studied, only limited data have been reported for normal human adults and concentrations of fatty acids composition of lipid classes in serum. In recent study in this laboratory, five male adults who were in good health served as experimental subjects. They were on a self-chosen diet and received a test dose of Nicospan (buffered nicotinic acid) of 2 gm per day for three weeks of a six-week test period. About 30 ml of venous blood were obtained twice weekly from each …

Lipid Composition Of Human Red Blood Cells And White Blood Cell-Platelets With And Without Administration Of Nicotinic Acid, Nuggehalli Narayan Tara

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Five normal, healthy, men (age 33-42) served as experimental subjects. The subjects were on self-chosen diets and received a test-dose of buffered nicotinic acid (Nico-Span in capsule form) of 2 gm daily for three weeks, from the second through the fourth weeks, of the six and one-half week test period. About 30 ml of venous blood was obtained twice weekly from each subject, after an overnight fast of at least 12 hours. Each subject collected a 24-hour urine sample of the day prior to the blood sampling and also kept a record of food eaten.

The blood was separated into …

Serum Lipid Components Of University Women During The Menstrual Cycle, Hih-Min Sang

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Four healthy university women students (age 21-26) while on self-selected diets and living under normal living conditions served as experimental subjects in a study of changes of serum total lipids, distribution of lipid classes, and the fatty acid composition of lipid fractions during the menstrual cycle. Effect of meal frequency (2 meals vs 3 meals with no breakfast) was also included.

Total lipids were extracted from serum. Chemical determinations of total lipids, total and free cholesterols, and lipid phosphorous were made on these extracts. Concentration of cholesterol esters and phospholipids were calculated and triglycerides plus free fatty acids were calculated …

Serum Alpha-Tocopherol, Cholesterol, And Total Lipid Values And Unsaturation Of Lipids In 33- To 60-Year Old Adults On Self-Selected Diets At Different Levels Of Polyunsaturated Fat, Marjorie Miner Christiansen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The levels and weekly variations of certain lipid components were investigated in healthy adults, 33 to 60 years of age, on self-selected diets under home-living conditions with and without an increased proportion of polyunsaturated fats for a period of 26 weeks. Ten individuals served as controls and 16 were assigned to the experimental diet. Each of the groups contained an equal number of men and women. The experimental diet provided a ratio of polyunsaturated to saturated fatty acids of approximately one, with the substitution of vegetable oils for animal fats within the normal eating patterns of the participants. The control …

The Biosynthesis Of Aminolevulinic Acid In Relation To Iron And Enzyme, Daniel Ming-Yi Teng

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The survey of plant species for aminolevalinic acid synthetase (ALAS) source was conducted. Under the conditions of this study, spinach leaves were found to be a good source of ALAS activity. The amount of amino levulinic acid (ALA) synthesized by the plant extracts was very small and was rapidly metabolized to porphyrins. ALA and porphyrin synthesis was found to be confined to the particulate fractions. Rupturing of the particles with ultrasonifier enhanced the penetration of succinyl-CoA and increased the activity. Direct study of the ALAS activity was enabled by the utilization of C¹⁴-compounds to the isolation by column …