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Articles 1 - 30 of 61
Full-Text Articles in Dairy Science
The Cost Of Affordable Food, Candice L. Cobuzzi
The Cost Of Affordable Food, Candice L. Cobuzzi
SURGE
When someone puts a piece of food in front of me, I don’t just see a piece of food.
Instead, I see an innocent cow being cornered by a forklift and slaughtered, its limp, moist tissue hung on a long conveyer belt with hundreds of others.
I see hundreds of chemically-injected chickens packed into a dark barn with no hope of seeing sunlight in their lifetime.
I see immigrants pulled from their houses like criminals, taken away from the lives they’ve spent years building for themselves and their families, working for the same food company that courted them into the …
Culturally Speaking: You Don't Know Beans About Cottage Cheese, Phillip Tong
Culturally Speaking: You Don't Know Beans About Cottage Cheese, Phillip Tong
Dairy Science
No abstract provided.
Hydrogeology Of The Little River Animal Agriculture Environmental Research Unit And Impacts Of Dairy Operations On Groundwater, Robert Wesley Hunter
Hydrogeology Of The Little River Animal Agriculture Environmental Research Unit And Impacts Of Dairy Operations On Groundwater, Robert Wesley Hunter
Masters Theses
This thesis describes the development of an integrated hydrogeologic/hydrologic site assessment and groundwater/surface water quality monitoring program at the University of Tennessee – Little River Dairy Farm, located near Townsend, TN. Hydrologic/hydrogeologic investigations of streams and groundwater at the site have been underway for more than 5 years, and these are expected to provide background data for assessing impacts of dairy wastes. The lower half of the ~180 ha site consists of low-relief fields used for row crops, which are underlain by 4 – 9 m of alluvial deposits on top of black shale or limestone that include sinkhole features. …
Bovine Mammary Interleukin-8 Receptor Expression And Genetic Association With Streptococcus Uberis Based Mastitis., Lydia Jean Siebert
Bovine Mammary Interleukin-8 Receptor Expression And Genetic Association With Streptococcus Uberis Based Mastitis., Lydia Jean Siebert
Masters Theses
Mastitis is an economically distressing disease in the dairy industry. Bacterial pathogens enter the gland and encounter cell types that release immune mediators including interleukin (IL)-8. IL-8 has two membrane bound receptors: CXCR1 and CXCR2. CXCR1 and CXCR2 are expressed on neutrophils and other cell types in other species but their expression is unknown in the bovine mammary gland. To test this, mammary tissue samples from six Holstein dairy cows were subject to dual immunofluorescence with bovine specific CXCR1 and CXCR2 antibodies and cell type markers. CXCR1 was expressed on alveolar epithelial cells, fibroblasts, and leukocytes. CXCR2 expression was identified …
Determination Of The Expression Patterns Of Bovine Non-Classical Major Histocompatibility Complex (Mhc) Class I Proteins, Parveen Parasar
Determination Of The Expression Patterns Of Bovine Non-Classical Major Histocompatibility Complex (Mhc) Class I Proteins, Parveen Parasar
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This project was funded by the United States of Department of Agriculture (USDA), which funds research aimed at improving production and animal health. The aim of this study was to advance knowledge of maternal immune tolerance to the fetus and mechanisms bovine non-classical MHC class I proteins employ to interact with immune cells and render them inert towards the fetus.
A fetus is a tissue graft inside the mother’s uterus yet must be accepted by the mother to maintain a successful pregnancy. Reproductive insufficiency and pregnancy failure are major causes of production loss in cattle, especially in cloned animals. Knowledge …
Culturally Speaking: Lactose Intolerance: A Condition As Old As The Stone Age, Phillip Tong
Culturally Speaking: Lactose Intolerance: A Condition As Old As The Stone Age, Phillip Tong
Dairy Science
No abstract provided.
Effect Of Adding Salt During The Diafiltration Step Of Milk Protein Concentrate Powder Manufacture On Mineral And Soluble Protein Composition, Vandna Sikand, Phillip S. Tong, John Walker
Effect Of Adding Salt During The Diafiltration Step Of Milk Protein Concentrate Powder Manufacture On Mineral And Soluble Protein Composition, Vandna Sikand, Phillip S. Tong, John Walker
Dairy Science
Milk protein concentrate (MPC) powders offer a great potential for use in an array of food applications because of their nutritional and functional values. However, MPC powders with protein content ≥80% (MPC80) exhibit poor solubility and hence restrict their potential use. The objective of this study was to determine the impact of adding salt during the diafiltration stage of MPC80 manufacture on solubility, turbidity, and to compare minerals and protein content of supernatants of ultracentrifuged samples with control sample. Three types of samples were produced: MPC80-C (control) with or without salt treatment, MPC80-Na (150 mM NaCl), and MPC80-K (150 mM …
Milk Fat Globule Membrane Isolated From Buttermilk Or Whey Cream And Their Lipid Components Inhibit Infectivity Of Rotavirus In Vitro, K. L. Fuller, T. B. Kuhlenschmidt, M. S. Kuhlenschmidt, Rafael Jiménez-Flores, S M. Donovan
Milk Fat Globule Membrane Isolated From Buttermilk Or Whey Cream And Their Lipid Components Inhibit Infectivity Of Rotavirus In Vitro, K. L. Fuller, T. B. Kuhlenschmidt, M. S. Kuhlenschmidt, Rafael Jiménez-Flores, S M. Donovan
Dairy Science
Milk fat is encapsulated in a milk fat globule membrane (MFGM) that contains bioactive glycoproteins and glycolipids. The MFGM inhibits infectivity of rotavirus (RV), activity that has been attributed to its glycoprotein and carbohydrate components. However, previous studies of proteins and oligosaccharides in the MGFM have not accounted for all the bioactivity associated with the complete MFGM. The lipid fraction of the MFGM accounts for half of its composition by weight, and we postulate that this fraction should be tested by itself to determine if it plays a role in antiviral activity. Herein, the anti-RV activity of an organic extract …
Grass-Fed Dairy Steer Enterprise Analysis For Alexandre Family Ecodairy Farms, Joseph Jackson Alexandre
Grass-Fed Dairy Steer Enterprise Analysis For Alexandre Family Ecodairy Farms, Joseph Jackson Alexandre
Agribusiness
Alexandre Family EcoDairy Farms (AFEF) is a family dairy farm, producing organic milk in northern California. In the last decade, AFEF has been expanding in value added natural food enterprises, including pastured free-range eggs, pastured pork and grass-fed beef.
This study focuses on the analysis of an organic grass-fed ground beef from dairy-beef cross steers coming from AFEF. The grass fed beef enterprise was analyzed by adopting a UC Davis cost and returns study, modifying it to AFEF production limitations and conditions. Through partial budgeting analysis, opportunity costs were discovered leading to breakeven prices for the final grass fed ground …
2012 Annual Report, Various Authors
Holder, Earl, 1909-2005 (Sc 1026), Manuscripts & Folklife Archives
Holder, Earl, 1909-2005 (Sc 1026), Manuscripts & Folklife Archives
MSS Finding Aids
Finding aid and scan (Click on "Additional Files" below) for Manuscripts Small Collection 1026. Transcription of a 1985 interview by Ray Buckberry with Earl Holder regarding the development of the dairy business in Warren County, Kentucky from 1926 to 1973.
Culturally Speaking: Options For Making Greek Yogurt, Phillip Tong
Culturally Speaking: Options For Making Greek Yogurt, Phillip Tong
Dairy Science
No abstract provided.
The Micronutrient Profile Of The Typical American Diet Enhances Colorectal Carcinogenesis, Stephany Del Carmen Perez Monsanto
The Micronutrient Profile Of The Typical American Diet Enhances Colorectal Carcinogenesis, Stephany Del Carmen Perez Monsanto
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The typical Western dietary pattern is characterized by the consumption of energy-dense, nutrient-poor foods and has been linked to increased risk of colorectal cancer (CRC). Our research group previously developed the total Western diet (TWD) that emulates typical human dietary intakes of macro- (carbohydrates, proteins, and fats) and micronutrients (vitamins and minerals) on an energy density basis for rodents. In the present study, we sought to determine the impact of TWD on biomarkers of metabolic syndrome and obesity in comparison to a commercial 45% fat diet used for models of diet-induced obesity (DIO diet) and the standard basal AIN93G diet, …
Regulation And Expression Of Nanog, Oct4, And Sox2 In The Bovine Blastocyst Following Somatic Cell Nuclear Transfer, Justin Scott Hall
Regulation And Expression Of Nanog, Oct4, And Sox2 In The Bovine Blastocyst Following Somatic Cell Nuclear Transfer, Justin Scott Hall
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The Animal, Dairy, and Veterinary Sciences Department (ADVS) and the Center for Integrated Biosystems (CIB) at Utah State University are studying various molecular mechanisms involved in the animal cloning process. This study involves the extensive network of people, facilities, equipment, and funding already associated with the CIB and ADVS joint project.
Cloning involves many molecular challenges that for the most part have become roadblocks for the normal development of the fetus. The mechanisms necessary to transform an adult cell into a competent stem cell that can then transform and develop into a healthy organism are poorly understood. Some of these …
Analysis Of Single Nucleotide Polymorphism Panels For Bovine Dna Identification, Kimberly A. Blanchard
Analysis Of Single Nucleotide Polymorphism Panels For Bovine Dna Identification, Kimberly A. Blanchard
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Single nucleotide polymorphisms (SNPs) have great power in resolving questions of unknown parentage on ranches or dairies where errors could have been made in pedigree record keeping or when such records were simply not kept. Currently a panel of 88 SNPs based on a panel originally created by USDA-MARC is commercially available from the company Fluidigm®. Our objective was to determine whether or not the number of SNPs could be reduced to form a smaller, more cost-efficient parentage-testing panel. A smaller panel would be beneficial to farmers and researchers alike in the reduction of time spent running and …
Testing The Effect Of Grapefruit Seed Extract (Gfse) On The Mastitsis-Causing Alga, Prototheca, Kendra Janelle Macdonald
Testing The Effect Of Grapefruit Seed Extract (Gfse) On The Mastitsis-Causing Alga, Prototheca, Kendra Janelle Macdonald
Honors College
Mastitis is an inflammation of the mammary gland that costs the United States dairy industry between $1.7 and $2 billion annually [9]. Approximately 97% of mastitis infections are caused by bacteria, which can be treated with antibiotics [2]. However, mastitis infections can be caused by the alga, Prototheca. Specifically, it is P. zopfii (genotype 2) and P. blaschkeae that have been found in cows with mastitis [7]. There are currently no approved treatments for protothecal mastitis. The following experiments a tested the effects of grapefruit seed extract (GFSE) on P. zopfii (genotype 2) using spectrophotometry and plating techniques. GFSE was …
Rna Sequencing To Study Gene Expression And Single Nucleotide Polymorphism Variation Associated With Citrate Content In Cow Milk, A. Cánovas, G. Rincón, A. Islas-Trejo, R. Jiménez-Flores, A. Laubscher, J. F. Medrano
Rna Sequencing To Study Gene Expression And Single Nucleotide Polymorphism Variation Associated With Citrate Content In Cow Milk, A. Cánovas, G. Rincón, A. Islas-Trejo, R. Jiménez-Flores, A. Laubscher, J. F. Medrano
Dairy Science
The technological properties of milk have significant importance for the dairy industry. Citrate, a normal constituent of milk, forms one of the main buffer systems that regulate the equilibrium between Ca2+ and H+ ions. Higher-than-normal citrate content is associated with poor coagulation properties of milk. To identify the genes responsible for the variation of citrate content in milk in dairy cattle, the metabolic steps involved in citrate and fatty acid synthesis pathways in ruminant mammary tissue using RNA sequencing were studied. Genetic markers that could influence milk citrate content in Holstein cows were used in a marker-trait association study to …
Effects Of Addition Of Somatic Cells To Caprine Milk On Cheese Quality, D. Sánchez-Macías, A. Morales-Delanuez, A. Torres, L. E. Hernández-Castellano, R. Jiménez-Flores, N Castro, A. Argüello
Effects Of Addition Of Somatic Cells To Caprine Milk On Cheese Quality, D. Sánchez-Macías, A. Morales-Delanuez, A. Torres, L. E. Hernández-Castellano, R. Jiménez-Flores, N Castro, A. Argüello
Dairy Science
Milk quality criteria and limits for somatic cell count (SCC) established in many countries make it difficult to maintain SCC of bulk tank goat milk below the threshold, due to non-infection factors linked to goat physiology. The aim of this study was to objectively verify the effects of SCC on fresh caprine milk cheese. Somatic cells were recovered from pooled healthy goat milk, and added to low SCC raw or pasteurised goat milk. Miniature cheeses were made and evaluated after 1 and 7 d. Somatic cells had a major effect on lipolysis, increasing free fatty acids regardless of whether milk …
How Does Moo-Ving To Pasture Feeding Affect The Nutrient Composition Of Cows' Blood And Milk?, Jillian Smith
How Does Moo-Ving To Pasture Feeding Affect The Nutrient Composition Of Cows' Blood And Milk?, Jillian Smith
Inquiry Journal 2013
No abstract provided.
Sire Evaluation For Milking Duration, James Macedo
Sire Evaluation For Milking Duration, James Macedo
Dairy Science
The objective of this study was to utilize electronically recorded data from on-farm milk recording systems and herd management software to determine if a sire has a genetic influence on his daughter’s milking duration. Measurements of milking duration from three dairy facilities were taken between January 27, 2013 and January 31, 2013. These measurements supplied 25,070 observations, corresponding to 9,418 cows and 895 sires. These data were evaluated with a SAS alongside a herd-mate comparison. The statistical analysis demonstrated that a sire does have a genetic influence on the milking duration of his progeny. The Van Beek Brothers and Dairyland …
Gas Emissions And Olfactometry For Dairy Heifers, Rebecca Gary
Gas Emissions And Olfactometry For Dairy Heifers, Rebecca Gary
Dairy Science
The objective of this study was to determine any trends in odor evaluations and gas emissions of manure samples in heifers fed high/low concentrate and high/low forage diets. Heifers (n = 8) were enrolled randomly in a split plot design with diet type (high concentrate vs. low concentrate) as the whole plot and forage quality (4 different levels of corn stover within each diet type) as sub-plots in a 4-period (21d) 4X4 Latin square design. Total collection of urine and feces was performed on days 18-21 of each period. The feces to urine ratio (F:U) was determined on days 18 …
Increasing California Dairy Exports To Japan And South Korea, Kristina Soper
Increasing California Dairy Exports To Japan And South Korea, Kristina Soper
Dairy Science
The opportunities for increasing exports of California dairy products to the Japanese and South Korean markets were determined by identifying current obstacles in the California dairy industry and determining the characteristics of consumers in the Japanese and South Korean markets. As the largest milk-producing state and the supplier of 7.5% of total U.S. dairy exports, California’s economic activity greatly affects the rest of the nation and the world. The trends in the California dairy industry include increasing total milk production and per-cow milk production, a diminishing number of total dairy operations, and a rising number of large dairy operations. These …
Determine If Raising Holstein Steers Can Be Profitable, While Creating A Quality Product, William Dyt
Determine If Raising Holstein Steers Can Be Profitable, While Creating A Quality Product, William Dyt
Dairy Science
Abstract
The objective of this experiment is to determine if holstein steers can be raised for a high quality, profitable beef product. The data collected came from Dyt Dairy and their steer program. Records came from the Souza Family, who does the calf raising for Dyt Dairy, and were compiled into a spread sheet. Daily costs incurred in raising a steer for the first five months were incorporated and analyzed relative to different rates of gain. The second stage analysis involved the next five months on a higher ration at Dyt Dairy #2. Again costs per day and rates of …
A Business Plan For A Custom Dry Cow Transition Facility And A Calf Ranch, Landon Joseph Fernandes
A Business Plan For A Custom Dry Cow Transition Facility And A Calf Ranch, Landon Joseph Fernandes
Dairy Science
In recent economic times the dairy industry has witnessed historic lows in milk price and historic highs in feed prices. As a result many dairies have been forced out of business or have found other ways to diversify in order to offset the accumulated debt from dairying. One possible way a dairy can minimize debt is by sending its transition cows to custom transition cow management facility from dry-off through freshening. This management facility would give optimal care and attention to these cows to ensure metabolic and post calving health issues are minimal and that cows are returned to the …
Development Of A Training Program For The Cal Poly Creamery, Rachel Souerbry
Development Of A Training Program For The Cal Poly Creamery, Rachel Souerbry
Dairy Science
No abstract provided.
Reproductive Analysis Of 100% Delayed 1st Service Ovsynch Breeding During Summer Months At A Large Central Valley Dairy, Micah John Degroot
Reproductive Analysis Of 100% Delayed 1st Service Ovsynch Breeding During Summer Months At A Large Central Valley Dairy, Micah John Degroot
Dairy Science
As the Dairy industry evolves year by year it is becoming ever more important to be reproductively efficient. The implementation of various timed artificial insemination (TAI) programs has become very common in order to maintain reproductive stability throughout the herd. This can be harder than ever with the increase of herd sizes and hot summer temperature in the central valley. The objective of this study compares two ovsynch breeding programs during summer months on a large central valley dairy. The change in protocol was a delayed 100% timed artificial insemination at approximately 70 dim for the 5-month period from June …
Pasteurization And Freezing Effect On Colostrum Characteristics, Morbidity, Igg Absorption, And Growth Rates Of Holstein Heifer Calves, Rob Diepersloot
Pasteurization And Freezing Effect On Colostrum Characteristics, Morbidity, Igg Absorption, And Growth Rates Of Holstein Heifer Calves, Rob Diepersloot
Dairy Science
The objective of this study was to determine if fresh frozen, pasteurized frozen, or fresh refrigerated colostrum impacted morbidity, growth rates, and the overall serum immunoglobulins (IgGs) in newborn calves. The second objective was to compare the effects that pasteurization and freezing had on colostrum IgG concentration and total bacteria counts compared to raw refrigerated colostrum. A controlled trial was completed on a 6,000-cow dairy in California where colostrum was harvested twice daily, pooled, and then divided into three different treatment groups and processed accordingly. One treatment was pasteurized at 60oC for 60 min and then frozen, the …
Consumer Perception Of Organic Milk, Christina Puetz
Consumer Perception Of Organic Milk, Christina Puetz
Dairy Science
The objective of this study was to determine the potential factors, reasons and beliefs that contribute to college aged consumers’ choice to purchase organic milk. The data were from survey of students using questions that were modeled after consumer issues and concerns over conventional milk as discussed in the literature review. This study was particularly interested in exploring differences between students in agriculture classes and non-agriculture classes. The literature referenced came from a variety of sources, including scientific journals, online articles, milk advisory boards, and governmental agencies. According to the literature review, consumer concerns and reasons for purchase of organic …
Detecting Errors In Generating A Certificate Of Analysis, Breanne Harlan
Detecting Errors In Generating A Certificate Of Analysis, Breanne Harlan
Dairy Science
Many companies rely on a Certificate of Analysis (COA) to accompany the delivery of their product or material. The COA, required by law, prevents customers from questioning whether a product is safe and ensures manufacturers confirm every product tested passes the Food and Drug Administration’s required specifications. Previous to this project, Kraft Foods Springfield copied their test results for each product from their data warehouse software, called Systems, Applications, and Products onto a Word document to create a COA. This was a systematic approach to detect the possible occurrences of error and reduce the time spent on generating a COA. …
A Business Model For The Small-Scale, Start-Up, Organic Jersey Dairy, Jim Moreda
A Business Model For The Small-Scale, Start-Up, Organic Jersey Dairy, Jim Moreda
Dairy Science
To determine the financial feasibility and stability of starting a small-scale organic jersey dairy in Northern California, given the changes and restrictions that must take place in all aspects of production while operating organically. Using a unique combination of ownership and borrowing, I have created a business model made to appropriately fit the organic dairy system, addressing every area of the operation whether it be business or animal related. Through experience, reviews, and research of organic techniques allowable to apply, I was able to reveal and identify specific areas of husbandry and financing in which I would need to excel …