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1958

Electronic Theses and Dissertations

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Full-Text Articles in Life Sciences

Consumer Preferences And Attitudes Toward Butter And Advertising In Brookings And Madison, South Dakota, Paul M. Williamson Jan 1958

Consumer Preferences And Attitudes Toward Butter And Advertising In Brookings And Madison, South Dakota, Paul M. Williamson

Electronic Theses and Dissertations

The basic purpose of this study was to seek means of improving the incomes of dairy farmers through the development of better markets for butter. In line with this, three major hypotheses were tested. The hypotheses were: (1) a sufficient proportion of consumers in Brookings and Madison prefer cultured butter to make it feasible to develop a market for it, (2) consumption of cultured butter can be increased by sales promotion, (3) development of a market for cultured butter will increase total butter consumption.


The Effects Of Relaxin On The Composition Of Bovine Milk, Chris H. Nissen Jan 1958

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 …


An Attempt To Develop Resistance In The Udder Against Streptococcus Dysgalactiae And Escherichia Coli, Donald E. Otterby Jan 1958

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 Jan 1958

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 …