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Articles 1 - 11 of 11
Full-Text Articles in Life Sciences
Identifying Early-Life Behavior To Predict Mothering Ability In Swine Utilizing Nutrack System, Savannah Millburn
Identifying Early-Life Behavior To Predict Mothering Ability In Swine Utilizing Nutrack System, Savannah Millburn
Department of Animal Science: Dissertations, Theses, and Student Research
Early recognition of indicator traits for swine reproduction and longevity supports economical selection decision making. Gilt activity is a key variable impacting a sow’s herd life and productivity. The purpose of this study was to examine early- life behaviors contributing to farrowing traits including gestation length (GL), number born alive (NBA), number weaned (NW), and herd life (HL). Herd life was a binary trait representing if a gilt was culled after one parity. Beginning at approximately 20 weeks of age, video recordings were taken on 480 gilts for 7 consecutive days and processed using the NUtrack system. Activity traits include …
Transitioning To Net Energy: A Swine Story, John F. Patience
Transitioning To Net Energy: A Swine Story, John F. Patience
Proceedings of the Arkansas Nutrition Conference
Net energy (NE) is one member of the sequence of energy systems which also includes gross energy (GE), digestible energy (DE), and metabolizable energy (ME). It is perhaps the most sophisticated because it attempts to consider more components of the ingredient or diet which normally cannot be used by the pig for maintenance and/or productive purposes. Gross energy makes no such adjustment and therefore has little direct value in diet formulation. Digestible energy corrects for energy which is lost in the feces, and metabolizable energy also adjusts for energy lost in the urine. The data in Table …
Genomic Organization And Expression Of The Wc1 Hybrid Coreceptor And Pattern Recognition Receptor On Porcine Gamma Delta T Cells, Lauren Le Page
Genomic Organization And Expression Of The Wc1 Hybrid Coreceptor And Pattern Recognition Receptor On Porcine Gamma Delta T Cells, Lauren Le Page
Doctoral Dissertations
gd T cells are a crucial component of the immune response to a number of increasingly relevant and largely zoonotic pathogens to which efficacious vaccination is lacking. In ruminants and swine, gd T cells represent a major population of peripheral blood and epithelial tissue-resident lymphocytes. gdT cells respond to both protein and non-protein antigens independently of MHC presentation and possess immunological memory. Upon activation, gamma delta T cells illicit a variety of effector functions and play an indispensable role of orchestrating the downstream immune response. These characteristics make gamma delta T cells a promising candidate for recruitment by vaccination, however, …
Development Of A Self-Emulsifying Adjuvant For Use In Swine Vaccines, Rachel Madera, Yulia Burakova, Lihua Wang, Jishu Shi
Development Of A Self-Emulsifying Adjuvant For Use In Swine Vaccines, Rachel Madera, Yulia Burakova, Lihua Wang, Jishu Shi
Kansas Agricultural Experiment Station Research Reports
Emulsion-based adjuvants are commonly used in animal vaccine formulations for several reasons including affordability, stability, and efficacy in inducing disease-protecting immune responses. Here we report a novel, cost-effective, stable, self-emulsifying adjuvant (SEA1) that is prepared by a simple low shear process or low-energy mixing without the use of expensive and complex proprietary equipment. Characterization of the SEA1 adjuvant showed good stability at different temperatures (4°C, 20°C, and 37°C) after one month of storage. Minimal changes in droplet size distribution, polydispersity index, Zeta potential and pH in 1-month-old SEA1 preparations were observed when compared with a fresh SEA1 preparation. SEA1 emulsion-based …
Evaluating A Dry Vs. Wet Disinfection In Boot Baths On Detection Of Porcine Epidemic Diarrhea Virus And Porcine Reproductive And Respiratory Syndrome Virus Rna, Olivia L. Harrison, Grace E. Houston, Allison K. Blomme, Haley K. Otott, Jianfa Bai, Elizabeth G. Poulsen Porter, Jason C. Woodworth, Chad B. Paulk, Jordan T. Gebhardt, Cassandra K. Jones
Evaluating A Dry Vs. Wet Disinfection In Boot Baths On Detection Of Porcine Epidemic Diarrhea Virus And Porcine Reproductive And Respiratory Syndrome Virus Rna, Olivia L. Harrison, Grace E. Houston, Allison K. Blomme, Haley K. Otott, Jianfa Bai, Elizabeth G. Poulsen Porter, Jason C. Woodworth, Chad B. Paulk, Jordan T. Gebhardt, Cassandra K. Jones
Kansas Agricultural Experiment Station Research Reports
Maintaining biosecurity between swine barns is challenging, and boot baths are an easily implementable option some utilize to limit pathogen spread. However, there are concerns regarding their efficacy, especially when comparing wet or dry disinfectants. The objective of this study was to evaluate the efficacy of boot baths in reducing the quantity of detectable porcine epidemic diarrhea virus (PEDV) and porcine reproductive and respiratory syndrome virus (PRRSV) genetic material using wet or dry disinfectants. Treatments included 1) control; 2) dry chlorine powder (Traffic C.O.P., PSP, LLC, Rainsville, AL); and 3) wet quaternary ammonium/glutaraldehyde liquid (1:256 Synergize, Neogen, Lexington, KY). Prior …
Inoculation Of Weaned Pigs By Feed, Water, And Airborne Transmission Of Salmonella Enterica Serotype 4,[5],12:I:-, Olivia L. Harrison, Jordan T. Gebhardt, Chad B. Paulk, Brandon L. Plattner, Jason C. Woodworth, Susan Rensing, Cassandra K. Jones, Valentina Trinetta
Inoculation Of Weaned Pigs By Feed, Water, And Airborne Transmission Of Salmonella Enterica Serotype 4,[5],12:I:-, Olivia L. Harrison, Jordan T. Gebhardt, Chad B. Paulk, Brandon L. Plattner, Jason C. Woodworth, Susan Rensing, Cassandra K. Jones, Valentina Trinetta
Kansas Agricultural Experiment Station Research Reports
Salmonella entericaserotype 4,[5],12:i:- (STM) has become an increasing problem for food safety and has been often detected in pork products. For this study, weanling pigs were exposed to STM-contaminated feed, water, or air to determine possible STM transmission routes. An uninoculated control group of pigs was included. The STM was monitored daily in feces and rectal and nasal swabs. The STM colonization was most prevalent in tissues from tonsil, lower intestine, and mesenteric lymph nodes. No differences in lesion severity were observed between inoculated and control pigs. Contaminated feed, water, and aerosolized particles caused infection in weaned pigs; however, …
Inoculation Of Weaned Pigs By Feed, Water, And Airborne Transmission Of Salmonella Enterica Serotype 4,[5],12:I:-, Olivia L. Harrison, Jordan T. Gebhardt, Chad B. Paulk, Brandon L. Plattner, Jason C. Woodworth, Susan Rensing, Cassandra K. Jones, Valentina Trinetta
Inoculation Of Weaned Pigs By Feed, Water, And Airborne Transmission Of Salmonella Enterica Serotype 4,[5],12:I:-, Olivia L. Harrison, Jordan T. Gebhardt, Chad B. Paulk, Brandon L. Plattner, Jason C. Woodworth, Susan Rensing, Cassandra K. Jones, Valentina Trinetta
Kansas Agricultural Experiment Station Research Reports
Salmonella entericaserotype 4,[5],12:i:- (STM) has become an increasing problem for food safety and has been often detected in pork products. For this study, weanling pigs were exposed to STM-contaminated feed, water, or air to determine possible STM transmission routes. An uninoculated control group of pigs was included. The STM was monitored daily in feces and rectal and nasal swabs. The STM colonization was most prevalent in tissues from tonsil, lower intestine, and mesenteric lymph nodes. No differences in lesion severity were observed between inoculated and control pigs. Contaminated feed, water, and aerosolized particles caused infection in weaned pigs; however, …
Foreword, Swine Day 2022
Kansas Agricultural Experiment Station Research Reports
This file includes the 2022 Swine Day Research Report introduction, standard abbreviations, K-State Vitamin and Trace Mineral Premixes statement, biological variability and chances of error explanation, and acknowledgments of our supporters. We hope that the information in the 2022 Swine Day Research Report will be of benefit as we attempt to meet the needs of the Kansas swine industry.
Effects Of L-Carnitine Supplemented Throughout All Grow-Finish Phases Or Only In Late Finishing On Growth Performance And Carcass Characteristics Of Pigs, Jamil E. G. Faccin, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth
Effects Of L-Carnitine Supplemented Throughout All Grow-Finish Phases Or Only In Late Finishing On Growth Performance And Carcass Characteristics Of Pigs, Jamil E. G. Faccin, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth
Kansas Agricultural Experiment Station Research Reports
A total of 1,833 mixed-sex growing-finishing pigs (PIC, 337 × 1050; initially 58.5 ± 1.62 lb) were used in a 112-d growth trial to determine the effects of adding L-Carnitine throughout the entire grow-finishing period or for just the last 28 d before marketing on growth performance and carcass characteristics. There were 26 replicate pens per treatment and 20 (group 1) or 27 (group 2) pigs per pen in a completely randomized design. There were three treatment diets: 1) control with no added L-Carnitine; 2) diets containing 50 ppm of L-Carnitine for the entire trial; and 3) control diet until …
A Survey Of Added Vitamins And Trace Minerals In Diets Utilized In The U.S. Swine Industry, Jamil E. G. Faccin, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband
A Survey Of Added Vitamins And Trace Minerals In Diets Utilized In The U.S. Swine Industry, Jamil E. G. Faccin, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband
Kansas Agricultural Experiment Station Research Reports
From November 2021 to February 2022, 37 swine nutritionists representing 29 production systems and 8 nutrition supplier companies in the United States were surveyed about added vitamins and trace mineral concentrations in swine diets. Respondents were asked to provide vitamin and trace mineral inclusion rates, weight ranges associated with each dietary phase, and number of sows utilizing their nutritional recommendations. Survey participants represented 4.38 million sows, or 72% of the U.S. industry. Data were compiled into 3 nursery phases (weaning to 15 lb; 15 to 25 lb; and 25 to 50 lb), 3 finishing phases (50 to 120; 120 to …
Evaluating A Dry Vs. Wet Disinfection In Boot Baths On Detection Of Porcine Epidemic Diarrhea Virus And Porcine Reproductive And Respiratory Syndrome Virus Rna, Olivia L. Harrison, Grace E. Houston, Allison K. Blomme, Haley K. Otott, Jianfa Bai, Elizabeth G. Poulsen Porter, Jason C. Woodworth, Chad B. Paulk, Jordan T. Gebhardt, Cassandra K. Jones
Evaluating A Dry Vs. Wet Disinfection In Boot Baths On Detection Of Porcine Epidemic Diarrhea Virus And Porcine Reproductive And Respiratory Syndrome Virus Rna, Olivia L. Harrison, Grace E. Houston, Allison K. Blomme, Haley K. Otott, Jianfa Bai, Elizabeth G. Poulsen Porter, Jason C. Woodworth, Chad B. Paulk, Jordan T. Gebhardt, Cassandra K. Jones
Kansas Agricultural Experiment Station Research Reports
Maintaining biosecurity between swine barns is challenging, and boot baths are an easily implementable option some utilize to limit pathogen spread. However, there are concerns regarding their efficacy, especially when comparing wet or dry disinfectants. The objective of this study was to evaluate the efficacy of boot baths in reducing the quantity of detectable porcine epidemic diarrhea virus (PEDV) and porcine reproductive and respiratory syndrome virus (PRRSV) genetic material using wet or dry disinfectants. Treatments included 1) control; 2) dry chlorine powder (Traffic C.O.P., PSP, LLC, Rainsville, AL); and 3) wet quaternary ammonium/glutaraldehyde liquid (1:256 Synergize, Neogen, Lexington, KY). Prior …