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Articles by Lee Roy Williamson
Four Star Veterinary Service: Keeping pace with current and evolving swine disease threats
Disease Notifiable diseases PRRS Iowa State University's Dr. Phillip Gauger warns industry to stay vigilant as pathogen intensify As U.S. pork producers work to stabilize margins and sustain herd health in an environment where disease pressures continue to evolve, the Iowa State University Veterinary Diagnostic Laboratory (ISU VDL) remains on the front lines.
IPPE: dsm-firmenich Ames, Iowa premix plant is now NOP Certified
Egg layers Flock management Feed and nutrition (layers) National Organic Program (NOP) certification requires a rigorous multi-step process focused on how products are sourced, manufactured and controlled Callie Selby, account manager at dsm-firmenich, spoke to The Poultry Site’s Sarah Mikesell at the 2026 International Production and Processing Exposition (IPPE) in Atlanta, Georgia, USA.
IPPE: dsm-firmenich Ames, Iowa premix plant is now NOP Certified
Egg layers Flock management Feed and nutrition (layers) National Organic Program (NOP) certification requires a rigorous multi-step process focused on how products are sourced, manufactured and controlled Callie Selby, account manager at dsm-firmenich, spoke to The Poultry Site’s Sarah Mikesell at the 2026 International Production and Processing Exposition (IPPE) in Atlanta, Georgia, USA.
World Dairy Expo: Elanco features new injectable disease prevention products
Herd Management Sustainable Practices Health & Disease Elanco launches Pradalex in dairy, the first new antibiotic approved in over 10 years Dr. Scott Smith, a Dairy Packaged Goods Specialist at Elanco, was recently interviewed by The Dairy Site's Sarah Mikesell at World Dairy Expo in Madison, Wisconsin, USA. We're very happy to be here representing a couple of new products for our cattle portfolio. The first one is Pradalex, which is an injectable antibiotic, a fluoroquinolone.
World Dairy Expo: Elanco features new injectable disease prevention products
Herd Management Sustainable Practices Health & Disease Elanco launches Pradalex in dairy, the first new antibiotic approved in over 10 years Dr. Scott Smith, a Dairy Packaged Goods Specialist at Elanco, was recently interviewed by The Dairy Site's Sarah Mikesell at World Dairy Expo in Madison, Wisconsin, USA. We're very happy to be here representing a couple of new products for our cattle portfolio. The first one is Pradalex, which is an injectable antibiotic, a fluoroquinolone.
NCBA: Elanco launches unique new antibiotic to treat bovine respiratory disease
Health & Disease Non-notifiable Diseases BRD/Pneumonia Elanco launched Pradalex, a new BRD treatment that features two modes of action Dr. Ron Tessman, beef cattle technical consultant at Elanco, was recently interviewed by Sarah Mikesell at the National Cattleman's Beef Association's CattleCon conference at San Antonio, Texas, USA. We have a brand new product Pradalex, the newest antimicrobial that has been approved for bovine respiratory disease.
NCBA: Zoetis study shows long-duration re-implant boosts performance in long-fed cattle
Herd Management Feed Additives Cattle Farming System Re-implant programs utilized in the feedlot delivered heavier carcasses, improved quality grades, and stronger financial returns compared with conventional programs Dr. Bryan Bernhard, a nutritionist with Zoetis based in the Lubbock, Texas area was recently interviewed by The Cattle Site’s Sarah Mikesell at the National Cattlemen’s Beef Association (NCBA) CattleCon Conference 2025 in San Antonio, Texas.
NCBA: Is vitamin D the missing piece in cattle health?
Herd Management Feed and Nutrition Feed Supplements Dr. Zeno Hubbert of dsm-firmenich shares new research suggesting vitamin D levels may not be high enough to support immunity, performance in cows and calves Dr. Zeno Hubbert, beef technical expert with dsm-firmenich was recently interviewed by The Cattle Site's Sarah Mikesell at the National Cattlemen's Beef Association Conference - CattleCon in San Antonio, Texas, USA. We've come a long way during the last 10 years.
NCBA: Elanco's new antibiotic Pradalex expands options for BRD management
Herd Management Cattle Farming System Feedlot Elanco’s newly launched Pradalex, labeled for both cattle and swine, adds a critical tool for treating bovine respiratory disease, especially in high-risk feedlot settings Dr. M. Wayne Ayers, technical consultant veterinarian on the Elanco Beef Team, was interviewed by The Cattle Site’s Sarah Mikesell at the National Cattlemen's Beef Association Conference - CattleCon, in San Antonio, Texas, USA. Elanco is celebrating 71 years in business.
Leman: Trade, tariffs and global competition impacting the future of US pork production
Markets Imports and Exports Trade Bill Moore, Compeer Financial, shares economic insights and outlook at Leman Swine Conference in September 2025 Bill Moore, the Chief Risk Officer at Compeer Financial was recently interviewed by Sarah Mikesell in St. Paul, Minnesota, USA, at the Leman Swine Conference. I am not a swine industry specialist, but I linked where the economy for agriculture is to the US economy.
Leman: Trade, tariffs and global competition impacting the future of US pork production
Markets Imports and Exports Trade Bill Moore, Compeer Financial, shares economic insights and outlook at Leman Swine Conference in September 2025 Bill Moore, the Chief Risk Officer at Compeer Financial was recently interviewed by Sarah Mikesell in St. Paul, Minnesota, USA, at the Leman Swine Conference. I am not a swine industry specialist, but I linked where the economy for agriculture is to the US economy.
World Dairy Expo: Milk components demonstrate impressive growth in the US
Herd Management Feed and Nutrition Processing Is genetics driving this change or nutrition? Corey Geiger, lead dairy economist at CoBank, was recently interviewed by The Dairy Site's Sarah Mikesell at the World Dairy Expo in Madison, Wisconsin, USA. The US is a global leader in growing milk components. The two biggest milk components are butterfat and protein. The US is leading the world in that growth, not only on a percentage basis, but in pounds year over year.
World Dairy Expo: Zinpro’s Isoferm drives 5.5% feed efficiency gain in transition cows
Herd Management Feed and Nutrition Feed Supplements Isoferm offers improved rumen function, stable body condition and stronger hoof health Dr. Jeff Weyers, a Dairy Technical Services Manager with Zinpro, was recently interviewed by The Dairy Site’s Sarah Mikesell at World Dairy Expo in Madison, Wisconsin, USA, about unlocking lactation potential with better transitions for dairy cows.
World Dairy Expo: Zinpro’s Isoferm drives 5.5% feed efficiency gain in transition cows
Herd Management Feed and Nutrition Feed Supplements Isoferm offers improved rumen function, stable body condition and stronger hoof health Dr. Jeff Weyers, a Dairy Technical Services Manager with Zinpro, was recently interviewed by The Dairy Site’s Sarah Mikesell at World Dairy Expo in Madison, Wisconsin, USA, about unlocking lactation potential with better transitions for dairy cows.
World Dairy Expo: Rabobank's Mary Ledman shared global dairy markets insights
World Dairy Expo Marketing Dairy Market Trends Rabobank's Mary Ledman shared insights about global dairy markets at an education seminar the 2024 World Dairy Expo Mary Ledman, Global Dairy Strategist with Rabobank, spoke to The Dairy Site’s Sarah Mikesell at the World Dairy Expo in Madison, Wisconsin, USA in early October 2024. Longevity does have some advantages. My first entrée to the global dairy industry was with the FFA program in 1984 – going to and working on a dairy farm in Germany.
World Pork Expo: Adisseo describes the benefits of feeding butyrate in nursey age pigs
World Pork Expo Feed and nutrition Feed additives Mark Giesemann is on a personal mission to make sure that every pig has butyrate Mark Giesemann, a Swine Technical Manager with Adisseo, spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, USA about the importance of getting baby piglets off to a good start.
Amlan highlights the “Need for Speed” when binding biotoxins
IPPE Mycotoxins Feed and nutrition Amlan’s unique clay products work fast, minimizing damage in the animal’s gut Dr. Aldo Rossi, the Vice President of Innovation and Technical Services at Amlan International, spoke to The Poultry Site’s Sarah Mikesell at IPPE in Atlanta, Georgia, USA, about the threat of biotoxins in poultry. There are several types of toxins and biotoxins, and one of them is produced by funguses while others are produced by bacteria.
IPPE: Amlan highlights the “Need for Speed” when binding biotoxins
IPPE Mycotoxins Feed and nutrition Amlan’s unique clay products work fast, minimizing damage in the animal’s gut Dr. Aldo Rossi, the Vice President of Innovation and Technical Services at Amlan International, spoke to The Poultry Site’s Sarah Mikesell at IPPE in Atlanta, Georgia, USA, about the threat of biotoxins in poultry. There are several types of toxins and biotoxins, and one of them is produced by funguses while others are produced by bacteria.
World Pork Expo: Elanco launches Pradalex for swine respiratory disease
World Pork Expo Antibiotics Treatments and prevention Elanco brings the first novel injectable antibiotic to the swine industry in over 10 years Dr. Patrick Hoffman, technical veterinarian on the Elanco Swine Team, spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, USA. We're excited to bring the first novel injectable antibiotic to the swine industry in over 10 years. It's called Pradalex, and it's labeled for swine and beef cattle. It’s an antibiotic.
World Pork Expo: Elanco launches Pradalex for swine respiratory disease
World Pork Expo Antibiotics Treatments and prevention Elanco brings the first novel injectable antibiotic to the swine industry in over 10 years Dr. Patrick Hoffman, technical veterinarian on the Elanco Swine Team, spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, USA. We're excited to bring the first novel injectable antibiotic to the swine industry in over 10 years. It's called Pradalex, and it's labeled for swine and beef cattle. It’s an antibiotic.
World Pork Expo: Evonik monitors trypsin inhibitors in soy products using NIR technology
Feed quality World Pork Expo Feed and nutrition Evonik explains why it's important to monitor the quality of soy products Dr. Maria Mendoza, Global Consulting Expert with Evonik, recently spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, USA, about trypsin inhibitors in soy products and how that effects the digestion of amino acids.
World Pork Expo: Evonik monitors trypsin inhibitors in soy products using NIR technology
Feed quality World Pork Expo Feed and nutrition Evonik explains why it's important to monitor the quality of soy products Dr. Maria Mendoza, Global Consulting Expert with Evonik, recently spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, USA, about trypsin inhibitors in soy products and how that effects the digestion of amino acids.
World Pork Expo: Hamlet Protein launches HP 270 in swine
World Pork Expo Feed additives Treatments and prevention Hamlet's HP 270 is a fast protein that is lower in crude protein with higher anti-nutritional factors that still meet nutritional requirements at an enticing cost point Dr. Megan Bible, a nutritionist with Hamlet Protein, recently spoke to The Pig Site’s Sarah Mikesell at the 2025 World Pork Expo in Des Moines, Iowa, USA. HP 270 is remarkably like our HP 300. There are some differences though.
World Pork Expo: Hamlet Protein launches HP 270 in swine
World Pork Expo Feed additives Treatments and prevention Hamlet's HP 270 is a fast protein that is lower in crude protein with higher anti-nutritional factors that still meet nutritional requirements at an enticing cost point Dr. Megan Bible, a nutritionist with Hamlet Protein, recently spoke to The Pig Site’s Sarah Mikesell at the 2025 World Pork Expo in Des Moines, Iowa, USA. HP 270 is remarkably like our HP 300. There are some differences though.
World Pork Expo: CoBank’s Brian Earnest shares US highlights from new pork report
World Pork Expo Marketing pork Markets and economics Earnest shares trends and opportunities for the US pork industry to boost demand Brian Earnest, lead economist for animal protein at CoBank, recently spoke to The Pig Site’s Sarah Mikesell in Des Moines, Iowa, USA at the World Pork Expo. We looked at all different facets of animal protein and what's going on in the category. The big ticket items are large trends that are occurring.
World Pork Expo: CoBank’s Brian Earnest shares US highlights from new pork report
World Pork Expo Marketing pork Markets and economics Earnest shares trends and opportunities for the US pork industry to boost demand Brian Earnest, lead economist for animal protein at CoBank, recently spoke to The Pig Site’s Sarah Mikesell in Des Moines, Iowa, USA at the World Pork Expo. We looked at all different facets of animal protein and what's going on in the category. The big ticket items are large trends that are occurring.
WPX 2024: What's the vitamin D status of your herd?
World Pork Expo Feed additives Treatments and prevention dsm-firmenich learning more about vitamin D related to immune function Dr. Jon Bergstrom, senior technical expert for swine, and Dr. Sarah Hough, senior technical swine veterinarian, both with dsm-firmenich, spoke to The Pig Site’s Sarah Mikesell at World Pork Expo in Des Moines, Iowa, USA. Editor's note: This interview has been edited for length and clarity.
IPPE: dsm-firmenich's 2024 Global Mycotoxin Survey shows high co-occurrence of mycotoxins
IPPE Feed and nutrition Flock management More than 75% of samples have more than one mycotoxin present, so consider your mitigation strategies Dr. Chasity Pender, a poultry technical manager with dsm-firmenich, spoke to The Poultry Site’s Sarah Mikesell at International Processing and Production Expo (IPPE) in Atlanta, Georgia, USA, about dsm’s long-running Global Mycotoxin Survey just released for 2024. This is the longest-running, most comprehensive mycotoxin survey out there.
Leman: New study looking at treatment for Streptococcus suis in nursery pigs
Antibiotics Treatments and prevention Streptococcus suis VPS shares new research on the #2 diagnosed disease in the pig industry - Strep. suis Dr. Brian Payne, a veterinarian with VPS based in Minnesota, USA, spoke to The Pig Site’s Sarah Mikesell at the 50th Leman Swine Conference in St. Paul, Minnesota in mid-September 2024. Brian had a poster presentation at the conference. Strep suis is certainly in the field all the time.
NCBA: Selko’s Chance Farmer explains why a high-quality trace mineral can make a big difference to your ROI
NCBA CattleCon Feed Supplements Feed Additives New research shows you can feed less IntelliBond hydroxy trace mineral and get better results Dr. Chance Farmer, Beef Technical Manager with Selko, spoke to The Cattle Site’s Sarah Mikesell in San Antonio, Texas at the National Cattlemen's Beef Association meeting, CattleCon 2025. For trace minerals, more isn't always more when it comes to ROI.
Leman: New nomenclature system for PRRS in US
Diagnostics Treatments and prevention Managing disease System based on lineage and variant classification is designed to be more specific and reliable Dr. Paul Yeske, a veterinarian with Swine Vet Center based in Minnesota, USA, spoke to The Pig Site’s Sarah Mikesell at the 50th Leman Swine Conference in St. Paul, Minnesota, USA in mid-September 2024. I'm speaking with Dr. Kim Vanderwall from the University of Minnesota, and we're talking about the new PRRS -2 nomenclature system.
IPPE: USSEC's Jim Sutter speaks on expectations for US and global soybean markets
IPPE Imports and Exports Trade In late January 2025, the USSEC CEO spoke about market demand, the new Trump administration and how China and Brazil impact global soy trade Jim Sutter, the CEO of the US Soybean Export Council (USSEC) was interviewed by The Poultry Site’s Sarah Mikesell at the International Processing and Production Expo (IPPE) in Atlanta, Georgia in late January 2025. Editor’s note: this interview has been edited for length and clarity.
WPX 2024: VPS CEO Dean Warras describes business of creating customizing medicines for pigs, cattle
World Pork Expo Vaccination Antibiotics In December 2023, Diamond Animal Health, a more traditional animal health company, was acquired Dean Warras, CEO at Veterinary Pharmaceutical Solutions (VPS) and Diamond Animal Health, recently spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, United States. VPS is a compounding pharmacy, which basically means we provide customized medicines.
NCBA: Zoetis shares tips for getting spring calves off to a healthy start
NCBA CattleCon Health & Disease Artificial Insemination Plus, it’s time to start planning for the next breeding cycle Dr. Jeff Sarchet, a Managing Veterinarian with Zoetis, recently spoke to The Cattle Site’s Sarah Mikesell at the National Cattlemen's Beef Association Conference called CattleCon in San Antonio, Texas. Preparations should have started several months ago because we're finding out more and more how important the fetal program is when the fetus is developing inside the cow.
World Pork Expo Vaccination Treatments and prevention Dr. Brett O'Brien also covers what to consider in the summer months Dr. Brett O'Brien, Technical Services Veterinarian with Merck Animal Health, spoke to The Pig Site’s Sarah Mikesell at the 2024 World Pork Expo in Des Moines, Iowa, USA. I am pleased that we are in a space now in the US from a pork industry standpoint where our producers are once again profitable. It has been a hard two years.
WPX 2024: Rabobank’s Christine McCracken on North American pork outlook
World Pork Expo Marketing pork Markets and economics Expectations for pork production and consumption in the US, Mexico and Canada Christine McCracken, Senior Animal Protein Analyst with Rabobank, recently spoke to The Pig Site’s Sarah Mikesell at 2024 World Pork Expo in Des Moines, Iowa in the United States. The good news is that it is getting better. It has been a tough couple of years as you mentioned, and we have finally gotten a better balance of supply and demand.
NCBA: Tauramox® offers a dung beetle & earthworm friendly option
NCBA CattleCon Pasture/Free-range Cattle Farming System Breaking down fecal pats is important for the pasture ecosystem Parasiticides play a crucial role in maintaining herd health, but it’s important to consider their impact on the pasture ecosystem.
IPPE: Lanxess is shaping the future of biosecurity solutions
IPPE Biosecurity Treatments and prevention Investing in sustainable, innovative and cost effective technologies that protect and improve animal health Gisele Ravagnani, Technical Marketing Manager at Lanxess, recently spoke to The Poultry Site’s Sarah Mikesell at the International Production & Processing Expo (IPPE) in Atlanta, Georgia, USA. Tell us a little bit about your business and why are you back at IPPE?
WPX 2024: The impact of Mycoplasma hyo on the swine herd, health and pig welfare
World Pork Expo Mycoplasma Non-notifiable diseases Learn more about Mycoplasma hyopneumoniae from Dr. Megan Bollin, swine technical services veterinarian at Norbrook Dr. Megan Bollin, swine technical services veterinarian at Norbrook, spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, USA. Editor’s note: this interview has been edited for length and clarity. Mycoplasma is one of those bacteria that contributes to swine respiratory disease.
WPX 2024: Furst-McNess outlines Trifecta approach in swine
World Pork Expo Drinkers and water quality Feed and nutrition Furst-McNess' Trifecta builds on sound nutrition, while aligning air and water solutions to maximize your animal’s potential Dr. Fredrik Sandberg, Senior R &D Nutritionist with Furst-McNess, spoke with The Pig Site’s Sarah Mikesell at the 2024 World Pork Expo in Des Moines, Iowa, USA. Editor’s note: this interview has been edited for length and clarity. We take an extremely broad approach where we look at feed, air, and water together.
LANXESS’s Gschwander talks about biosecurity in a rapidly evolving world
Biosecurity and Hygiene Treatments and prevention Production Management LANXESS is a strong supporter of the concept “clean first, disinfect second” Stefanie Gschwander, head of market segment biosecurity solutions, LANXESS, spoke to The Pig Site’s Sarah Mikesell at World Pork Expo in Des Moines, Iowa, US. LANXESS is a global operating company based in Germany. We are a chemical company with around 16,000 employees worldwide, and LANXESS Biosecurity Solutions is one segment.
NCBA: AgriWebb helps ranchers manage data to improve sustainability and revenue
Data Management Digital Innovation Equipment and Innovation Learn about carbon credits, carbon insets, carbon offsets and how it can be a new revenue source for your operation Nicole Buckley Biggs, PhD, vice president, sustainability, AgriWebb, spoke to The Cattle Site’s Sarah Mikesell at the Cattle Industry Convention & NCBA Trade Show in Orlando, Florida.
McKean Conf: New report says PRRS costs the US swine industry $1.2 billion annually
Vaccination Biosecurity and Hygiene Treatments and prevention Paul Yeske, a practicing US veterinarian, explains how the cost of PRRS has doubled in 10 years About 10 years ago, an industry study was completed that showed the cost of PRRS to the US swine industry was about $664 million. An updated study by Dr. Derald Holtkamp was presented in June at the International Pig Veterinary Society Congress in Germany revealing the cost has jumped to an astonishing $1.2 billion.
IPPE: Arm & Hammer describes new Celmanax Ultra
IPPE Salmonella Food safety Offers Salmonella control plus performance gains Dr. Sangita Jalukar, a senior technical services manager at Arm & Hammer Animal and Food Production, recently was interviewed by The Poultry’s Site’s Sarah Mikesell in Atlanta, Georgia, USA at IPPE. The product is called Celmanax Ultra. We have been selling the Celmanax brand in the US poultry market for several years.
WPX 2024: The value of feeding fast proteins in pig diets
World Pork Expo Feed and nutrition Feed additives Learn more about fast proteins and slow proteins Dr. Megan Bible, nutritionist with Hamlet Protein, spoke to The Pig Site’s Sarah Mikesell at the World Pork Expo in Des Moines, Iowa, USA in the Hamlet booth where about 40 customers had breakfast while listening to an education session.
WPX 2024: Steve Meyer shares global pork outlook
World Pork Expo Markets and economics Market Trends US market is "better, but still not good" Steve Meyer, chief livestock economist with Ever.Ag, spoke with The Pig Site’s Sarah Mikesell at World Pork Expo in Des Moines, Iowa, USA. Meyer spoke at the Expo’s Pork Academy session about the economic outlook for the US swine industry and shared highlights from his presentation.
WPX 2024: Vantek offers products that can withstand the harsh pig barn environment
World Pork Expo Technology Housing and equipment Vantek Concrete Restoration and Protection is focused on concrete restoration of slats, floors and walls plus the metal surrounding the building Paul Vanberg, founder of Vantek Concrete Restoration and Protection, and Ryan Albright, Product Manager at Vantek Concrete Restoration and Protection, recently spoke to The Pig Site’s Sarah Mikesell at World Pork Expo in Des Moines, Iowa, USA.
June 2024 EAB: Lee Williamson, Edge Innovate
Editor's Note: In the first iteration of the Portable Plants' Editorial Advisory Board, participants were asked to share their input on several questions including: What are your thoughts on how the first half of the year has been for the industry and your business? What factors are you seeing that are driving this performance? What are your current expectations for the second half of the year?
WPX 2024: Jim Long shares global swine economic outlook
World Pork Expo Marketing pork Markets and economics Learn more about US sentiment, margins in China, impact of regulations in the EU and how Brazil fits into the global market Jim Long, president and CEO at Genesus Genetics, spoke last week to The Pig Site’s Sarah Mikesell at the 2024 World Pork Expo in Des Moines, Iowa, USA. My perspective on it is that we are in an industry today that has lost a lot of money. That is the reality of it.
IPPE: Amlan International’s NeutraPath wins 2024 IPPE Best of the Best award
IPPE Antibiotic resistance Sustainability Amlan offers clay-based products that may be an alternative to antibiotics while also improving gut health Wade Robey, Ph.D., president at Amlan International, spoke to The Poultry Site’s Sarah Mikesell at IPPE in Atlanta, Georgia, USA. Amlan is the animal nutrition and health division of Oil-Dri® Corporation of America. Oil-Dri has been in business for more than 80 years and has divisions across the agricultural space.
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