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Articles 1 - 22 of 22
Full-Text Articles in Dairy Science
How Cultured Dairy Products Can Have A Long Shelf Life And A Clean Label, Phillip S. Tong
How Cultured Dairy Products Can Have A Long Shelf Life And A Clean Label, Phillip S. Tong
Dairy Science
No abstract provided.
Dietary Fat Composition Influences Tissue Lipid Profile And Gene Expression In Fischer-344 Rats, Albert L. Zhou, Korry J. Hintze, Rafael Jiménez-Flores, Robert E. Ward
Dietary Fat Composition Influences Tissue Lipid Profile And Gene Expression In Fischer-344 Rats, Albert L. Zhou, Korry J. Hintze, Rafael Jiménez-Flores, Robert E. Ward
Dairy Science
The AIN-76A diet causes fatty liver in rodents when fed for long periods of time. The aimof this study was to utilize fatty acid analysis and transcriptomics to investigate the effects of different fat sources in the AIN-76A diet on tissue lipid profiles and gene expression in male, weanling Fischer-344 rats. Animals were fed isocaloric diets that differed only in the fat source: (1) corn oil (CO) (2) anhydrous milk fat (AMF), and (3) AMF supplemented with 10 % phospholipids from the milk fat globule membrane (AMFMFGM). There were no differences in food intake, body weight, growth rate, or body …
Production Of Highly Concentrated, Heat-Stable Hepatitis B Surface Antigen In Maize, Celine A. Hayden, Erin M. Egelkrout, Alessa M. Moscoso, Cristina Enrique, Todd K. Keener, Rafael Jiménez-Flores, Jeffrey C. Wong, John A. Howard
Production Of Highly Concentrated, Heat-Stable Hepatitis B Surface Antigen In Maize, Celine A. Hayden, Erin M. Egelkrout, Alessa M. Moscoso, Cristina Enrique, Todd K. Keener, Rafael Jiménez-Flores, Jeffrey C. Wong, John A. Howard
Dairy Science
Plant-based oral vaccines are a promising emergent technology that could help alleviate disease burden worldwide by providing a low-cost, heat-stable, oral alternative to parenterally administered commercial vaccines. Here, we describe high-level accumulation of the hepatitis B surface antigen (HBsAg) at a mean concentration of 0.51%TSP in maize T1 seeds using an improved version of the globulin1 promoter. This concentration is more than fourfold higher than any previously reported lines. HBsAg expressed in maize seeds was extremely heat stable, tolerating temperatures up to 55 °C for 1 month without degradation. Optimal heat stability was achieved after oil extraction of ground maize …
Cultures And Stabilizers In Cultured Dairy Foods, Phillip S. Tong
Cultures And Stabilizers In Cultured Dairy Foods, Phillip S. Tong
Dairy Science
No abstract provided.
Precision-Feeding Dairy Heifers With Different Levels Of Dietary Fiber And F:C. Effects On Protein Utilization, N Efficiency, And Rumen Fermentation, G. J. Lascano, A. J. Heinrichs
Precision-Feeding Dairy Heifers With Different Levels Of Dietary Fiber And F:C. Effects On Protein Utilization, N Efficiency, And Rumen Fermentation, G. J. Lascano, A. J. Heinrichs
Dairy Science
No abstract provided.
Effect Of Nacl Addition During Diafiltration On The Solubility, Hydrophobicity, And Disulfide Bonds Of 80% Milk Protein Concentrate Powder, X. Y. Mao, P. S. Tong, S. Gualco, S. Vink
Effect Of Nacl Addition During Diafiltration On The Solubility, Hydrophobicity, And Disulfide Bonds Of 80% Milk Protein Concentrate Powder, X. Y. Mao, P. S. Tong, S. Gualco, S. Vink
Dairy Science
We investigated the surface hydrophobicity index based on different fluorescence probes [1-anilinonaphthalene-8-sulfonic acid (ANS) and 6-propionyl-2-(N,N-dimethylamino)-naphthalene (PRODAN)], free sulfhydryl and disulfide bond contents, and particle size of 80% milk protein concentrate (MPC80) powders prepared by adding various amounts of NaCl (0, 50, 100, and 150 mM) during the diafiltration process. The solubility of MPC80 powder was not strictly related to surface hydrophobicity. The MPC80 powder obtained by addition of 150 mM NaCl during diafiltration had the highest solubility but also the highest ANS-based surface hydrophobicity, the lowest PRODAN-based surface hydrophobicity, and the least …
Formulating The Next Generation Of Cultured Dairy Foods, Phillip S. Tong
Formulating The Next Generation Of Cultured Dairy Foods, Phillip S. Tong
Dairy Science
No abstract provided.
Bovine Viral Diarrhea In Dairy And Beef Cattle, William Tyler Stevenson
Bovine Viral Diarrhea In Dairy And Beef Cattle, William Tyler Stevenson
Dairy Science
The objective of the literature review was to understand the nature and characteristics of BVD within dairy and beef herds. The paper reviewed important aspects of the disease that are relevant and practical to producers. The ideas and opinions presented in the paper were a result of compilation and review of the current literature focused on BVD. Some particular areas of focus were general information about the disease, costs and effects, pathophysiology, virology, transmission, prevention and testing. Information provided throughout the paper attempts to link practices that producers may adopt or modify in order to minimize effects of the disease. …
Efficiency Comparison Between Two Systematic Breeding Protocols: Target Breeding And Presynchronization Program At A Large Central Valley Dairy Farm, Blake Alvernaz
Dairy Science
As dairy herd sizes increase, dairymen often initiate systematic breeding programs on their dairy in order to improve their reproduction efficiency. The objective of this study, compares systematic breeding program by comparing reproductive efficiency between two systematic breeding programs Target Breeding (January 1, 2008 to May 31,2009) and Presynchronization (Presynch) Program (January 1, 2010 to May 31, 2011) at a large central valley dairy. The traditional Target Breeding program is a systematic breeding program that is solely prostaglandin (PGF2α) based. The more modern Presynch programs includes both Gonadotropin Releasing Hormone (GnRH) and PGF2α, that allows for …
Effect Of Cnv Of Production Related Genes On Expression Of Production Traits In Dairy Cattle, Tyler Kamper
Effect Of Cnv Of Production Related Genes On Expression Of Production Traits In Dairy Cattle, Tyler Kamper
Dairy Science
The objective of this project was to determine if copy number variation (CNV) at specific genes related to BST had an effect on milk production. Hair samples from 1000 fresh heifers from Maddox Dairy in Riverdale, CA were sent to Geneseek, a Neogen Company for DNA extraction and processing. The DNA was processed using the BovineSNP50 BeadChip and the data were loaded into the GenomeStudio software. The data were manipulated in GenomeStudio to estimate the CNV at each single nucleotide polymorphism (SNP) of which a vast majority was two. The SNPs with a copy number of two were excluded and …
Dna Collection With Performagene Nasal Swabs: Quantity, Quality, And Cost Effectiveness, Robert Kamper
Dna Collection With Performagene Nasal Swabs: Quantity, Quality, And Cost Effectiveness, Robert Kamper
Dairy Science
The objective was to determine the quality and quantity of DNA collected via nasal swab in Holstein and Jersey cows compared to the time taken to collect the samples through a person inexperienced with the Performagene™ LIVESTOCK product. DNA was collected from 100 cows at the California Polytechnic State University San Luis Obispo Dairy. Holsteins (n=47) and Jerseys (n=53) were collected and samples were shipped to Iowa State University where DNA was extracted by Dr. Jim Reecy’s lab. Results were compiled into a spreadsheet based on DNA quantity in ng/ul, and protein to DNA ratios (A260/A280). Extracted DNA was sent …
Estrus Activity After Prostaglandin Injection Using Heatime Activity Monitoring Collars Used At Cal Poly Dairy, Amy Phillips
Estrus Activity After Prostaglandin Injection Using Heatime Activity Monitoring Collars Used At Cal Poly Dairy, Amy Phillips
Dairy Science
The objective of the study was to determine activity using an activity monitoring system, Heatime. Data was collected from cows at the Cal Poly dairy from December 30, 2011 to January 6, 2012 whose results are from the previous program. This program involved prostaglandin in the form of Lutalyse given on Friday and cows were time bred the following Monday, 72 hours after the prostaglandin injection. Data collected from January 13, 2012 to current shows the new trial program which involved an injection of 5cc Lutalyse Monday and Tuesday, a vet check on Wednesday, time bred on Thursday, and a …
Analyzing The Correlation Between Overall Likeness And Emotional Responses Before And After The Consumption Of Dairy Beverages, Jessica L. Weber
Analyzing The Correlation Between Overall Likeness And Emotional Responses Before And After The Consumption Of Dairy Beverages, Jessica L. Weber
Dairy Science
In today’s food industry there is a need for more research on the correlation between likeness of a product and what kind of emotional response this may lead to. This has potential to allow the food industry to understand consumer purchase intent and use the data collected from specific studies to gain more insight to repeat purchases. The objectives of this study were to understand more about the relationship between overall likeness of dairy beverage products from initial taste to ending taste as well as how these responses related to the emotional responses of the consumption experience. In two geographical …
The Relationship Between Rumination And Milk Yield In Early Lactating Holsteins And Jerseys, Jason Borges
The Relationship Between Rumination And Milk Yield In Early Lactating Holsteins And Jerseys, Jason Borges
Dairy Science
The objective of this study is to determine if there is a direct relationship between rumination and energy corrected milk produced, using a technologic rumination tracking system. This technology is better known as AI24™ and is produced by Micro Dairy Logic: Advanced Dairy Solutions and SCR™, but marketed through Semex. The collar system is able to track rumination, aid in diagnosing illness/injury, predict parturition, and detect estrus in cows. The sophisticated electronic tag monitors a cow’s rumination time, chewing rhythm and time between feed boluses to determine how many minutes per day the cow is ruminating. Each collar is equipped …
Factors Affecting The Reduction Of Carbon To Nitrogen Ratio In Composted Separated Solids, Mark Fagundes
Factors Affecting The Reduction Of Carbon To Nitrogen Ratio In Composted Separated Solids, Mark Fagundes
Dairy Science
The objective of the study was to determine the factors involved in the reduction of carbon to nitrogen ratio in composted separated solids. A single compost windrow was laid on a 6,000 jersey cow dairy farm located in Madera County. Samples were obtained from six separate positions on the pile, every other day. Direct pile measurements on the date of sampling included pile temperature (surface and core), height, width and curvature. Samples were removed from the windrow during each sampling meeting to determine the percent dry matter content. The collected samples were sent out to Denele Analytical Inc. to determine …
Financial Analysis Of Three Value-Added Dairy Enterprises In Vermont, Wisconsin, And New York, Kassidy Kampen
Financial Analysis Of Three Value-Added Dairy Enterprises In Vermont, Wisconsin, And New York, Kassidy Kampen
Dairy Science
Value-added agriculture has grown in recent years and is often promoted as a rural development or business survival strategy. For dairy operations, value-added often has meant adding a processing enterprise to an existing dairy farm. This case study examined whether it was profitable to transition to a value-added operation, comparing and contrasting the business characteristics and financial performance of three businesses of similar size in Vermont, Wisconsin, and New York.
The methods included the development of income statements, balance sheets, and economic costs and returns in order to evaluate the profitability of the farming and processing enterprises for each business. …
Safety Hazard Analysis And Corrective Measures For Koot Dairy, Billy Koot
Safety Hazard Analysis And Corrective Measures For Koot Dairy, Billy Koot
Dairy Science
The objective of the study was to determine any potential safety hazards at Koot Dairy in order to prevent injuries and lawsuits. A hazard walkthrough was performed with employees to help discover hazards and determine the correctible actions that must take place. A farm safety checklist was used to assess some of the most common dairy hazards and to ensure law compliance. The checklist included many potential areas of hazard—first aid and emergency, power and electrical, farm equipment and machinery, farm chemicals, fuel tanks, confined spaces, environment, and workplace policies. After implementing the checklist, it was clear as to what …
Cal Poly Milking Parlor Standard Operating Procedures, Caitlyn Lil Morehart
Cal Poly Milking Parlor Standard Operating Procedures, Caitlyn Lil Morehart
Dairy Science
The objective of this project is to develop Standard Operating Procedures (SOP’s) for the Cal Poly dairy milk barn, which will help prepare students to be more efficient at milking in the newly renovated milking parlor. A double 10 parallel parlor is to be put into place to update the current milk barn. The current milking parlor is a double 8 herringbone barn which holds eight cows per side that are positioned at an angle. The double 8 herringbone parlor is to be remodeled into a double 10 parallel parlor. In addition, a double 10 parallel barn has ten cows …
Genomic Testing And Method R Variance Components Theory Of Dairy Cattle, Joseph Dewey Coleman
Genomic Testing And Method R Variance Components Theory Of Dairy Cattle, Joseph Dewey Coleman
Dairy Science
Abstract
The objective of this study is to determine the change in reliability from non genomic evaluations or Parent Averages to genomic evaluations. Due to recent industry popularity of genomic evaluations the California Polytechnic University, San Luis Obispo, decided to participate in the genetic movement of the dairy cattle industry. Genomic evaluations of both Holstein and Jersey cows at the Cal Poly dairy were chosen based on genetic superiority in order to possibly generate more income for the dairy and increase the herd’s popularity. Leading genomic companies such as Pfizer Animal Health, and GenSeek made genomic evaluation of the Cal …
Proposal To Implement A Surveillance System At The Cal Poly Dairy, Madelyn Cobb
Proposal To Implement A Surveillance System At The Cal Poly Dairy, Madelyn Cobb
Dairy Science
The objective of this project is to determine how to implement a cost effective and efficient surveillance system at the Cal Poly Dairy. This system would help monitor labor, feed, and cows while increasing the biosecurity, accountability, and efficiency throughout the Cal Poly Dairy. To make this determination, I researched different types of products and the equipment necessary that will meet the needs of the dairy currently and for future projects. A list of specifications was created that help guide the search for appropriate companies and products for this project. Talking to surveillance experts also helped create a better sense …
Who Will Create The Iphone Equivalent In Dairy Foods?, Phillip S. Tong
Who Will Create The Iphone Equivalent In Dairy Foods?, Phillip S. Tong
Dairy Science
No abstract provided.
Effect Of Powder Source And Processing Conditions On The Solubility Of Milk Protein Concentrates 80, V. Sikand, Phillip S. Tong, S. Vink, J. Walker
Effect Of Powder Source And Processing Conditions On The Solubility Of Milk Protein Concentrates 80, V. Sikand, Phillip S. Tong, S. Vink, J. Walker
Dairy Science
No abstract provided.