Digital Commons Network^™

Comparison Of Two Cultures For Use In Preacidified Skimmilk For Cottage Cheese Manufacture, Daryl D. Boddicker

Electronic Theses and Dissertations

Curd formation in a cultured dairy product is brought about by the addition of a bacterial culture capable of producing lactic acid from lactose. The primary function of this culture is to produce sufficient lactic acid to cause coagulation of the caseinate system of skimmilk. A secondary function of the culture is the production of flavor compounds considered to be desirable in these products. The flavor compounds produced by the normal growth of citric acid fermenting organisms are water soluble, and are largely removed during washing of the Cottage cheese curd. Therefore, flavor compounds are normally added to the cheese …

The Influence Of Artificial Insemination In Three Midwestern States, Wendell Lee. Kucker

Electronic Theses and Dissertations

Increased productivity of dairy cattle depends in part upon genetic changes brought about by select ion. Because of the long generation interval and low reproductive rate, genetic improvement in dairy cattle is slow. For this reason, the accuracy and effectiveness of selection of sires is of utmost importance. Selection of sires plays a major role in the genetic improvement of dairy cattle since a sire can leave many more descendants than a female. Consequently, the use of outstanding males is important in the genetic advancement of the dairy cattle population in the upper mid west as well as throughout the …

Consumer Evaluation Of A New Low-Fat Spread-Type Dairy Product, Walter W. Wosje

Electronic Theses and Dissertations

For many years the dairy industry has been going through transitional period whereby many marketing and structural changes have resulted. Generally speaking, these changes have been advantageous to the dairy farmer. During the past years there has been a widespread and increasing interest in profitable means of utilization of dairy by-products. Because of their unique and high nutritional value, the most logical method of disposition of these by-products is, from the standpoint of the general welfare, in human food; generally this is also the most gainful method. The high nutritional value of these products also makes them valuable in feeding …

Genetic Parameters Among Production, Carcass Composition And Carcass Quality Traits Of Beef Cattle, Darrell A. Busch

Electronic Theses and Dissertations

There were 1,642,000 beef cows in South Dakota on_ January 1,1967, which was 14 percent higher than the 1961-65 average (South Dakota Crop and Livestock Reporting Service, 1967). These cows were valued at $307, 054, 000, a 27 percent increase over the 1961-65 average. There were 390, 000 head of cattle and calves on feed on January 1, 1967, a 33 percent increase over 1961 and a 22 percent increase over the 1961-65 average. The sale of cattle and calves has accounted for 44 percent of the cash farm income in South Dakota for the period 1958-65 and is the …

Digestibility Studies With Western Wheat Grass, Marvin John Wurster

Electronic Theses and Dissertations

In order to make the most economical usage of our range forages it is essential that we know when the forage is most digestible in order for livestock to obtain maximum benefit from it. For many years cutting date has been the most common measure used to determine when a forage contains the most nutritive value. In many grasses emergence of the seed head or seed maturity has been used to determine when a particular forage should be harvested, However, western wheatgrass (Agropyron mithill) is not dependent on seed for reproduction and under range conditions often does not produce a …

Studies On The Effects Of Toxic Materials On The Respiration Rate Of Tubificidae, Richard A. Sikora

Masters Theses

A study was made to determine the effect of lead, nickel and pentachlorophenol, at varying pH levels, on the respiration rate of this family of aquatic oligochaetes. Respiration was measured as the ul. of oxygen consumer per mg. of live tissue per hour of exposure.

Worms were found to decrease their rate of respiration in the presence of lead nitrate. This was demonstrated at three pH levels: 6.5, 7.5 and 8.5. It was concluded that this drop was due to the action of lead on the enzymes of the metabolic systems and on the characteristic of lead which stimulates the …

Factors Affecting Body, Texture, And Water Holding Capacity Of A New Low-Fat Spread-Type Dairy Product, Basil K. Dalaly

Electronic Theses and Dissertations

At the South Dakota State University Dairy Science Department, a challenging work is being conducted to develop a new spread type· dairy product which is made almost entirely of dairy ingredients. It contains about 40% fat, 6% protein, 40% water, and 1.9% salts. Among the problems which faced the workers on this project were the process induced changes in the protein and the water holding capacity, which are interlinked. The problem of water holding capacity is increased by the high water content of the product compared with butter, which contains about 16% water. Maintaining the stability of the fat emulsion …

Sexual Dimorphism In The Western Blacknose Dace, Rhinichthys Atratulus Meleagris, Gary L. Phillips

Journal of the Minnesota Academy of Science

Breeding activities and sexual dimorphism of the minnow Rhinichthys atratulus meleagris were studied in the headwaters of the Mississippi River at Minnesota's Itasca Stole Pork. The following characteristics were measured in 25 specimens of each sex: Total length, standard length, length of pectoral fins, length of pelvic fins, height of anal fin, length of caudal fin, fork length of caudal fin, length of depressed dorsal fin, and depth of caudal peduncle. The anal fin differed most significantly between the sexes, being long and keeled in females and comparatively truncated in males. Mating behavior was also observed. Results suggest that differences …

A Study Of The Communities Of Aquatic Macro-Invertebrates Of The Merging Of The Mississippi And Chippewa Rivers, Using A Biplate Substrate Sampler, Robert R. Elbert, Clarence D. Mcnabb

Journal of the Minnesota Academy of Science

Using a biplate substrate sampler, aquatic macro-invertebrates were collected during the fall, winter and spring seasons at the confluence of the Mississippi and Chippewa Rivers along the Minnesota-Wisconsin border. The substrate sampler proved very desirable in pointing out extreme community variations which existed between the two rivers. It was found that the members of a downstream community were a blend of the communities present in upstream tributaries. However, as compared with upstream communities, a shift in dominant organisms occurred. Striking seasonal changes appeared in the invertebrate populations as well as the environment of the rivers. All sampling revealed "clean water" …

Metabolic Changes Induced In Rats By Feeding Different Levels Of Galactose With Two Levels Of Corn Oil, Carolyn Qualls Sharp

Journal of the Arkansas Academy of Science

No abstract provided.

Effects Of Hydroxyurea On Cultured Somatic Cells Of The Chinese Hamster, Cricetulus Griseus, Charlotte Neill, William C. Guest

Journal of the Arkansas Academy of Science

No abstract provided.

Controlled Environment Broiler Houses In Western Australia, D F. Hessels

Journal of the Department of Agriculture, Western Australia, Series 4

The three main features which contribute to the better returns from controlled environment broiler housing are higher density, better conversion and a reduction in labour.

The higher initial cost of housing and higher running costs are more than covered by these three advantages.

A Measure Of Clover Infertility In Ewes, N Davenport

Journal of the Department of Agriculture, Western Australia, Series 4

SERIOUS impairment of the breeding ability of ewes grazed for prolonged periods on growing pastures containing dominant subterranean clover has been experienced in Western Australia for many years.

The first widespread recognition of the problem coincided with the upsurge of improved pasture establishment based on the Dwalganup variety of subterranean clover in the higher rainfall sections of the wheatbelt and adjacent sheep raising areas to the west and south.

Consumption And Digestion Of Dry Cupped Clover, E T. Bailey

Journal of the Department of Agriculture, Western Australia, Series 4

FARMERS often ask if sheep eat the dry seed heads of cupped clover (Trifolium cherleri) and, if so, how much of the seed is digested.

Pig Castration, F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

Castration - a necessary task made easier if done early. Clear instructions with pictures.

What Is The Difference?, F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

A lesson to be learnt - a dose in time saves the line.

Poultry Behaviour As It Affects Management, R H. Morris

Journal of the Department of Agriculture, Western Australia, Series 4

UNDER natural conditions animals have considerable control over their movements and over their proximity to each other.

Today, however, there is a trend in animal husbandry towards greater intensificaton, and this is most evident in the poultry industry.

Tenth Random Sample Laying Test, 1966-67 : Litter, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

TENTH RANDOM SAMPLE LAYING TEST, 1966-67 - LITTER

POULTRY RESEARCH STATION, WEMBLEY

SECOND PROGRESSIVE REPORT TO 26th FEBRUARY,1967

Average age of birds 215.5 days or 30 weeks and 6 days.

Choking Of Milking Machine Pulsators, G R. Olney

Journal of the Department of Agriculture, Western Australia, Series 4

THE value of applying the teat cup squeezing action more slowly, by "choking", has been well demonstrated for a number of years.

Leslie and Whittlestone (1938) suggested that brutal teat cups and snappy pulsators could be undesirable because of the trauma caused.

Choking was recommended by them to overcome this.

Agriculture In Western Australia : Past, Present And Future, A W. Hogstrom

Journal of the Department of Agriculture, Western Australia, Series 4

THE post war period has seen very rapid growth and changes in the agriculture of Western Australia.

Almost every industry and region of the State has contributed to the growth of rural production which in turn has been responsible for much of the development in other sectors of the economy.

Worms In Sheep. 3. Control Of Worms By Drenching, R W. Butler

Journal of the Department of Agriculture, Western Australia, Series 4

DRENCHING for worm control must be carefully timed in relation to the effect of climatic conditions on the development and survival of worm larvae on the pastures, and the seasonal variation in worm burdens carried by sheep.

Cattle Stocking Rates In A Higher Rainfall Area, R Sprivulis

Journal of the Department of Agriculture, Western Australia, Series 4

THE 1965 Pardelup cattle stocking rate trial was conducted with Hereford cross yearling steers on annual pasture of Mt. Barker sub. clover, Wirnmera ryegrass and various volunteer annual species.

This was topdressed with 186 lb. of superphosphate per acre in mid March.

Structure And Function Of The Cow's Reproductive System, L. L. Wilson, W. M. Dillon

Historical Documents of the Purdue Cooperative Extension Service Archive

No abstract provided.

Sympatry Changes And Hybridization Incidence In Mallards And Black Ducks, Paul A. Johnsgard

Papers in Ornithology

Changes in general fall and winter distributions of Mallards and Black Ducks over the past century have resulted in markedly increased sympatric contact during pair formation between these two forms, and have been responsible for increased opportunities for hybridization. Bureau of Sport Fisheries and Wildlife records of hybrids from 34 states indicate a minimal current hybridization rate that is about 4% of the frequency expected on the basis of mating according to mathematical probabilities of chance contact. Thus, hybridization is most frequent where both forms are almost equally abundant, indicating that no reinforcement of differences reducing hybridization in the primary …

Ua37/46 Scrapbook, Charles Taylor

Faculty/Staff Personal Papers

Scrapbook created by Ella Taylor to commemorate the life of her husband Charles Taylor. Charles Leland Taylor came to WKU as an professor of Agriculture in 1923 and served as department head from 1943-1958. He served in many agricultural roles through the state of Kentucky.

Annual Bird Count Under Way In Area, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.

2 Sides View Eagle Issue, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.

Audubon Report Lists Rare Area Sightings, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.

Variety Of Birds In Yard, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.

A Comparative Osteological Study Of Two Species Of Colubridae: (Pituophis And Thamnophis), Robert E. Bullock, Wilmer W. Tanner

Brigham Young University Science Bulletin, Biological Series

The complete skeletal anatomy of Pituophis catenifer deserticola Stejneger is described in detail. The osteology of this species is compared with that of Thamnophis radix haydeni Kennicott in the following areas: atlas, axis, first thoracic, other thoracic lumbar, anterior caudal, middle caudal, and posterior caudal vertebrae, as well as the skull and hyoid apparatus.

Many structural similarities exist in these two species of colubrids. The more important structures or aspects in which similarities were observed are: (1) the natural division of the vertebral column into regions and subregions, (2) the gross morphology of the various types of vertebrae, (3) the …