Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- Dairy plant (50)
- Dairy processing (50)
- Dairy science (50)
- Food science (39)
- Growth performance (6)
-
- Dairy (5)
- Dairy club (4)
- Dairy cow (4)
- Dairy heifer (3)
- Hydrodynamic cavitation (3)
- Nanofiltration (3)
- Sporeformers (3)
- Biofilms (2)
- Calf (2)
- Carinata meal (2)
- Cobalt lactate (2)
- Condensed whey solubles (2)
- Dairy Science (2)
- Dairy cows (2)
- Essential oils (2)
- Forage quality (2)
- Lactation performance (2)
- MCC (2)
- Milk production (2)
- Probiotics (2)
- Rheology (2)
- Starch (2)
- Transition cow (2)
- <p>Cows<br />Cows--Anecdotes<br />Cows--Folklore.</p> (1)
- Antioxidant (1)
- Publication Year
- Publication
- Publication Type
Articles 211 - 238 of 238
Full-Text Articles in Life Sciences
The Effect Of Methods Of Storage On The Gross Energy, Chemical Composition And Feeding Value Of Alfalfa, Guru Prasad Mohanty
The Effect Of Methods Of Storage On The Gross Energy, Chemical Composition And Feeding Value Of Alfalfa, Guru Prasad Mohanty
Electronic Theses and Dissertations
Production of good quality hay or silage and its proper storage without loss of the nutritive value is an important problem for dairy farmers. They are particularly interested in meeting the energy needs in feeding their herds for milk production. During the past decade there has been a substantial increase in the volume and intensity of research towards the nutritional and calorimetric aspects of cattle feeds. A number of unavoidable problems come in the way of their application causing financial disaster in today’s competitive economy of dairy farming. To increase milk production or to maintain a high level of production, …
A Modified Voges-Proskauer Method Of Determining Diacetyl In Dairy Cultures, Dwain Finkenbiner
A Modified Voges-Proskauer Method Of Determining Diacetyl In Dairy Cultures, Dwain Finkenbiner
Electronic Theses and Dissertations
Dairy scientists have known for a number of years that diacetyl is one of the principle flavor components of butter, buttermilk, and cheese cultures. Of the tests which have been introduced to determine diacetyl, one of the first was the heavy metal gravimetric method. This procedure involved distillation of the diacetyl from the mother substance. The most common derivative formed was nickel dimethylglyoximate. Principle disadvantage of this method were that large amounts of sample were required for steam distillation when the products were low in diacetyl. It was also a time consuming procedure because the steam distillation could take as …
Characterization Of Staphylococcus Species Isolated From Raw Milk With Special Reference To The Enterotoxigenic Coagulase-Positive Types, Adnan M. Ammouri
Characterization Of Staphylococcus Species Isolated From Raw Milk With Special Reference To The Enterotoxigenic Coagulase-Positive Types, Adnan M. Ammouri
Electronic Theses and Dissertations
Numerous reports from many parts of the world have described the occurrence of outbreaks of staphylococcus food poisoning. Some studies have incriminated raw milk as a reservoir of the staphylococcus organisms as the vehicle of transmission. Recently Cheddar cheese has been implicated as the contaminating agent in food poisoning outbreaks traced to dairy products. The frequency of outbreaks of staphylococcus food poisoning has stimulated interest in the characterization of members of the staphylococcus genus. The strains particularly important are those capable of production an enterotoxin. In order to determine the strains of staphylococcus organisms isolated from raw milk which are …
The Effect Of Frozen Storage On The Microflora Of Raw Milk, Jaswant Singh
The Effect Of Frozen Storage On The Microflora Of Raw Milk, Jaswant Singh
Electronic Theses and Dissertations
The proper handling of milk samples prior to bacterial analysis has been somewhat of a problem to dairy processors of South Dakota. There have been, and still are, many queries by these people about the treatment of o milk sample prior to the determination of a bacterial count. Should the milk samples be frozen prior to determining the number of bacteria? If it is feasible, what effect will the freezing have on the number of bacteria found? No tangible information about this problem has been found in the literature. Standard procedure emphasize mainly the icing of milk sample before analyzing …
Comparative Study Of Milk Quality Tests On Manufacturing Grade Raw Milk, Donald L. Wallace
Comparative Study Of Milk Quality Tests On Manufacturing Grade Raw Milk, Donald L. Wallace
Electronic Theses and Dissertations
One criterion used to determine the quality of milk is based upon its bacterial content. This immediately emphasizes the problems of determining milk quality. Bacteriological tests are, at best, only estimates of the number or the activity of the organisms present. Since its introduction to South Dakota dairy farms, the bulk tank has continued to increase in popularity. Its increased acceptance has caused new problems in determining milk quality. The bulk tank allows the farmer to cool the milk faster and more efficiently than ever before, thereby limiting bacterial growth. Quality tests should not only differentiate between good and poor …
Effectiveness Of An Aspergillus Oryzae Culture On The Preservation Efficiency And Feeding Value Of Alfalfa-Brome Haylage Stored In Gas-Tight And Concrete Stave Silos, Samuel C. Perry
Electronic Theses and Dissertations
High-quality forage is essential in feeding dairy cattle if dairymen intend to increase milk production or to maintain a high level of production. Problems of preserving high-quality forage for the winter feeding of livestock occur each year. The preservation of legumes and grasses as hay is governed by a number of factors: (1) curing weather, (2) state of maturity of the crops, and (3) other factors such as equipment available and methods of handling the crop. The inability of dairymen to control these factors results in heavy nutrient loses in the hays during the curing process due primarily to leaching …
Dairy Club 1961, South Dakota State College
Dairy Club 1960, South Dakota State College
Effects Of Reserpine (Serpasil) On Bloat, Edward P. Michalewicz
Effects Of Reserpine (Serpasil) On Bloat, Edward P. Michalewicz
Electronic Theses and Dissertations
Farmers and ranchers have been faced with the problem of bloat for many centuries. Thus far there has been little concrete evidence form research in determining the cause, finding a cure or a preventive for bloat. Numerous preventives for bloat have been practically useless. Investigators have used oils and paraffin’s as prophylactic and therapeutic measure against legume bloat. Antibiotics have been used as preventatives with some success, antifoaming agents have little effect and are of short duration. Tranquilizers, a comparatively a new group of compounds, have produced spectacular results in combatting stress conditions in animals. The ideal effect of tranquilizers …
A System For Making Selective Matings In Dairy Cattle, Basil Ralph Eastwood
A System For Making Selective Matings In Dairy Cattle, Basil Ralph Eastwood
Electronic Theses and Dissertations
The term “selective matings” implies the selection of a sire to breed to each female on an individual, rather than a group or herd basis. Mating systems, other than random mating, may be classed either as the mating of like to like or as the mating of unlikes. This likeness or unlikeness may be based either on blood relationship or on individual appearance. The advantage and limitations of each mating system have been well worked out on a theoretical basis, and some of system have been thoroughly tested by experimentation and in the field. In actual practice many breeders use …
The Production And Ingestion Of Antibodies In Milk, George Donald Marx
The Production And Ingestion Of Antibodies In Milk, George Donald Marx
Electronic Theses and Dissertations
Since biblical times man has depended upon the cow for nourishment. The cow’s contribution to human and animal welfare has been tremendous. These contributions may be increased by artificially producing antibodies in milk. In view of recent experiments the established theory that antibodies cannot pass the intestinal wall after the animal is a few days of age may not be true. Much information has been gathered to support this theory. Since the mammary gland is capable of producing a considerable quantity of antibodies and since antibodies inhibit disease, the milk should be an excellent source of antibodies for disease protection …
Dairy Club 1959, South Dakota State College
A Study Of The Manufacture Of Cultured Butter And Retail Store Sales In Brookings, South Dakota, Shirley W. Seas
A Study Of The Manufacture Of Cultured Butter And Retail Store Sales In Brookings, South Dakota, Shirley W. Seas
Electronic Theses and Dissertations
Butter consumption in the united stated had dropped to 8.4 pounds per capita in 1953 from approximately 17 pounds prior to World War II. There has been only a very slight increase during the last five years. Dairy industry leaders and research workers have south to find the reason for this situation and possible remedies for it. A recent consumer preference study conducted by Rollag and Krist Janson (21) in Brookings and Sioux Falls, South Dakota indicated a fairly strong preference for high quality butter with a considerable amount of flavor obtained by adding butter culture to the butter. The …
An Attempt To Develop Resistance In The Udder Against Streptococcus Dysgalactiae And Escherichia Coli, Donald E. Otterby
An Attempt To Develop Resistance In The Udder Against Streptococcus Dysgalactiae And Escherichia Coli, Donald E. Otterby
Electronic Theses and Dissertations
The problem of mastitis in dairy animals has received much attention in recent years. As the business of dairying has developed and grown, mastitis has become more significant to the farmer and the processor. The economic loss from reduced production and sale of milk, loss of breeding animals, veterinary and medical fees is paramount. Much of the emphasis when dealing with mastitis has been on cure rather than prevention. Despite the extensive investigations of antibiotics and other chemo-therapeutic agents as a cure for mastitis, a completely satisfactory answer to the mastitis problem has not been found. Recent research has suggested …
The Blood Picture In Correlation With Bloat, Dale A. Yarns
The Blood Picture In Correlation With Bloat, Dale A. Yarns
Electronic Theses and Dissertations
Bloat may spell disaster to any farmer on a given day. This kind of disaster is typical and not infrequent in ruminates especially cattle and sheep. Bloat affects polygastrics, why not monogastrics? Ruminants or polygastrics have a four compartment stomach utilizing protozoa and bacteria similar to a fermentation vat which catabolizes complex substrates into simple digestible nutrients while the monogastrics rely on secretions from the stomach lining. Primarily fermentation takes are water and larger amount of free gas, which can accumulate in the rumen when disposal is impaired. Why do animals dispose of these large quantities of gas 364 days …
The Effects Of Relaxin On The Composition Of Bovine Milk, Chris H. Nissen
The Effects Of Relaxin On The Composition Of Bovine Milk, Chris H. Nissen
Electronic Theses and Dissertations
Protoplasm is a fragile substance keeping its homeostatic properties by many physiochemical phenomena. Much is known about the properties of protoplasm; but it is, perhaps, only meager when compared to what is yet to be learned. Such physical changes as electrical impulses, diffusion, and oxidation – to mention a few – are necessary for protoplasm to retain its integrity. In higher animals, particularity, for our purpose, mammals, protoplasm is sustained by different body system working harmoniously together to supply raw materials that remove waste, and govern all endeavors. One should not infer that single called animals have a more simple …
Bloat Results From Various Drenchings Including Effectiveness Of Penicillin For Prevention, Clarence Leonard Moore
Bloat Results From Various Drenchings Including Effectiveness Of Penicillin For Prevention, Clarence Leonard Moore
Electronic Theses and Dissertations
Body conformation is associated with function among all classes of livestock. Dairy cattle type deals with characteristics indicating ability to produce milk and butterfat economically along with breed character and other values of an aesthetic nature. In order to have economical milk and butterfat production, the dairy cow should possess that type of body conformation which is able to withstand the rigors of disease, reproduction and year after year milk production. A large percentage of dairy cattle sold in South Dakota and surrounding territory, whether for breeding purpose or commercial production, are evaluated primarily on the basis of their type. …
The Effects Of Low Temperature On Survival Of Rabbit Ova, Mansur Ferdows
The Effects Of Low Temperature On Survival Of Rabbit Ova, Mansur Ferdows
Electronic Theses and Dissertations
In the field of animal production, genetic characteristics determine to a large extent the quality and the economy of the cattle. To hasten the wide spread dissemination of germ plasm, many commercial farmers have resorted to artificial insemination. Artificial insemination has however, only allowed for the wide spread dissemination of germ plasm from the male. If the female germ plasm could also be more easily disseminated through the highly experimental process of ova transfer, then more than the average number of offspring could be expected from a female in her life time. Because ova transplantation is in its infancy, many …
Some Observations Pertaining To The Effects Of Relaxin Upon The Bovine, Vincent Allen Hall
Some Observations Pertaining To The Effects Of Relaxin Upon The Bovine, Vincent Allen Hall
Electronic Theses and Dissertations
The process of birth normally follows a set pattern. The main steps in chronological order are: labor, opening of the cervix, and delivering the young. The cervix serves an important function in reproduction. The cervix is the constricted portion separating the uterus and the vagina, and consists primarily of thick connective tissues especially constructed in folds forming a hollow tube. Through the cervix passes sperm, menstrual debris and in pregnancy the newborn. During pregnancy a mucous plug forms in the cervix and keeps out foreign material and bacteria. In the non-pregnant cow the opening is small. The cervix opening is …
Growth And Respiratory Studies Of Saccaromyces Cerevisiae In The Presence Of Selenium, Robert M. Pengra
Growth And Respiratory Studies Of Saccaromyces Cerevisiae In The Presence Of Selenium, Robert M. Pengra
Electronic Theses and Dissertations
The occurrence of selenium in certain soils of the United States and its detrimental effect upon livestock pastured on or fed forage from these areas has been well established. Selenium poisoning will not be reviewed here as several excellent reviews have been published (1, 2, 3). Studies on the metabolism of selenium by Sac-charomyces cerevisiae have been reported by Potter and Elvehjem (4), Lardy and Moxon (5), and Fels and Cheldelin (6, 7, 8). An attempt has been made in this thesis to repeat and enlarge on some of these studies. While this investigation may contribute information on the selenium …
The Improvement In Type Of South Dakota Dairy Cattle Through Artificial Breeding, Kenneth I. Gross
The Improvement In Type Of South Dakota Dairy Cattle Through Artificial Breeding, Kenneth I. Gross
Electronic Theses and Dissertations
Body conformation is associated with function among all classes of livestock. Dairy cattle type deals with characteristics indicating ability to produce milk and butterfat economically along with breed character and other values of an aesthetic nature. In order to have economical milk and butterfat production, the dairy cow should possess that type of body conformation which is able to withstand the rigors of disease, reproduction and year after year milk production. A large percentage of dairy cattle sold in South Dakota and surrounding territory, whether for breeding purpose or commercial production, are evaluated primarily on the basis of their type. …
Some Mechanical And Horomonal Methods Of Dilating The Bovine Cervix, Edmund F. Graham
Some Mechanical And Horomonal Methods Of Dilating The Bovine Cervix, Edmund F. Graham
Electronic Theses and Dissertations
The selection for certain inherited characteristics war practiced approximately 2000 years before the Christian Era. Jacob (Genesis 30:28-43) was given all the speckled cattle in his master’s herd for being herdsman. In a few years, by selecting for the spotting factor, only speckled cattle remained in the herd. Selection was the first tool for segregating definite characteristics. As a means of more rapid improvement artificial insemination was practiced by an Arabian chieftain as early as 1322 A. D. (35). Since 1322 these crude methods of transferring semen have been perfected until approximately four million cows were inseminated in the United …
A Study Of Bovine Noseprints, Morris W. Hirsch
A Study Of Bovine Noseprints, Morris W. Hirsch
Electronic Theses and Dissertations
The breed association are continuously confronted with the problem of properly identifying animals for registration. The method of identifying the broken color breeds, such as Guernseys, Holsteins, and Ayrshires, is by a sketch of the color patterns which accompanies the application for registration. This has been fairly successful, but due to the poor drawing ability of the applicant approximately twenty percent of animal markings and sketch do not resemble each other to establish identity. The solid colored breeds use brands or tattoo marks in the ear which are not entirely satisfactory since these are artificial and can be applied in …
Influence Of Winter Housing Conditions On Growth Rates And Feed Consumption Of Dairy Heifers, Emery H. Bartle
Influence Of Winter Housing Conditions On Growth Rates And Feed Consumption Of Dairy Heifers, Emery H. Bartle
Electronic Theses and Dissertations
It is important in dairy cattle management to maintain steady and continuous growth of heifers and thereby secure properly developed cows which will give the production that is expected of them when they are brought into the milking herd. In general, heifer calves during the first twelve months of their growing period are carefully managed as to feed, housing and care to promote normal growth. However, they are often neglected during their yearling stage to the point where growth is retarded because of environment factors. On many dairy farms in the North Central States the management of yearling dairy heifers …
A Survey Of The Microflora Obtained By Flushing The Normal Bovine Uterus, Johannah Jane Wulf
A Survey Of The Microflora Obtained By Flushing The Normal Bovine Uterus, Johannah Jane Wulf
Electronic Theses and Dissertations
Since artificial insemination has become a reality and the potentialities of ova transfer are being investigated by several research workers, it seems reasonable to assume that some attention should be directed toward gathering information regarding the bacterial flora of the normal bovine uterus. Both artificial insemination and ova transfer require the insertion of foreign bodies or instruments into the uterus. When such instruments enter this organ, there is always the possibility of introducing various kinds of bacteria. Very little information is available regarding the pathogenicity of these bacteria in the bovine uterus. The possibility of abortion due to such pathogenic …
The Efficiency Of Churn Washing Method And The Keeping Quality Of Butter As Indicated By Yeast And Mold Counts, T. Allen Evans
The Efficiency Of Churn Washing Method And The Keeping Quality Of Butter As Indicated By Yeast And Mold Counts, T. Allen Evans
Electronic Theses and Dissertations
Of all the equipment used in the manufacture of butter, no single piece has as close contact with the finished product as does the churn while at the same time no piece of equipment is more difficult to keep properly cleaned. The workers in the dairy industry have expended much time and effort attempting to build a churn which could be kept in a more satisfactory state, especially from a bacteriological point of view. As yet no satisfactory material for churn construction has been found to replace wood which at best is difficult to keep free of micro-organisms. Since it …
The Influence Of Feed And Sunshine On The Vitamin D Content Of Cow’S Milk, Ben L. Robinson
The Influence Of Feed And Sunshine On The Vitamin D Content Of Cow’S Milk, Ben L. Robinson
Electronic Theses and Dissertations
For the past several years there has been a growing tendency among dairymen, particularity those located near the large cities, to keep their cows in the barn much of the time. Under such a system of management the cows receive but little direct sunshine. In some localities it is also possible to find many cows which are fed the year around on dry feed receiving very little, if any, green food, either as soiling crops or as pasture. From many standpoints such practices are, of course, necessary and desirable, but from the standpoint of the nutritional value of the milk …
Biggle Cow Book; Old Time And Modern Cow-Lore Rectified, Concentrated And Recorded For The Benefit Of Man, Jacob Biggle
Biggle Cow Book; Old Time And Modern Cow-Lore Rectified, Concentrated And Recorded For The Benefit Of Man, Jacob Biggle
Rare Books, Manuscripts,Government Documents, and Atlases
No abstract provided.