Maine Farmcast

A pest that many producers thought was confined to the history books is making headlines again. In this episode, Dr. Colt Knight sits down with Ashley Wright of the University of Arizona Cooperative Extension to discuss New World screwworm, a devastating livestock pest that has reemerged in North America. They explain what screwworm is, how it differs from ordinary fly strike and why veterinarians...

This Independence Day week, Dr. Colt Knight is joined by Dr. Dean Fish of Arizona’s Anchor F Cattle Co. to explore one of America’s most recognizable symbols: the cowboy hat. From John B. Stetson’s original design in the 1860s to today’s custom-crafted masterpieces, Colt and Dean trace the history, function and cultural significance of the hat that helped shape the American West. Along the way, th...

Why does a ribeye cost so much more than it did a few years ago? In this episode of the Maine Farmcast, Dr. Colt Knight sits down with Dr. Gregg Rentfrow, meat science specialist at the University of Kentucky, while attending North Carolina State University’s BBQ Camp. Together, they break down the many factors driving today’s record-high meat prices, including historically low cattle inventories,...

In this episode of the Maine Farmcast, host Colt W. Knight sits down with Sue Ishaq, associate professor and microbiome researcher at the University of Maine, to explore the fascinating world of microbes and their role in animal and human health. From her nonfarm upbringing and path through animal science to building a dynamic research lab, Ishaq shares how curiosity and a few career pivots led he...

In this episode of the Maine Farmcast, Dr. Glenda Pereira celebrates June Dairy Month with a solo episode on how robotics are shaping dairy farm management. She discusses the benefits and considerations of milking robots, including milk production, labor, cow traffic, facility design and the importance of consistency in daily routines. Dr. Pereira also takes a closer look at manure robots and how...

In this episode of the Maine Farmcast, host Colt W. Knight is once again joined by Richard Brzozowski, professor emeritus and former Extension livestock specialist, for a practical and story-driven discussion on common mistakes new farmers make and how to avoid them. Drawing from decades of experience in Extension and agriculture, Brzozowski shares insights from working with beginning farmers, alo...

Raising kids on a farm comes with a unique mix of challenges, responsibilities and rewards. In this episode of the Maine Farmcast, we dive into what it really means to parent in an agricultural setting. From chore schedules and safety considerations to balancing farm work with family life, our conversation explores how farm families pass along values such as work ethic, resilience and stewardship...

In this episode of the Maine Farmcast, Glenda and Colt sit down with Rick Linscott, a retired senior scientist from IDEXX Laboratories, based in Westbrook, Maine. Rick reflects on his 35-year career with the Maine-based diagnostics company, tracing its evolution from early livestock and poultry testing to its global work in companion animal, water quality and biomedical diagnostics. Listeners will...

On this episode of the Maine Farmcast, Dr. Glenda Pereira, assistant Extension professor and state dairy specialist with University of Maine Cooperative Extension, talks with Dr. Erin Percival Carter, associate professor of marketing at the University of Maine. Although Carter is a UMaine professor, the conversation focuses on her role as a diversified farmer, including her naturally colored Corri...

In this episode of the Maine Farmcast, host Colt W. Knight sits down with longtime colleague, mentor and former Extension administrator Richard Brzozowski to reflect on a lifetime in agriculture and the realities of raising livestock. From early 4-H experiences and dairy farm work to decades of Extension service, Brzozowski shares stories that highlight how a passion for animals develops and why n...

On this episode of the Maine Farmcast, Dr. Glenda Pereira, assistant extension professor and state dairy specialist for the University of Maine Cooperative Extension, speaks with Joe Lawrence, dairy forage systems specialist with the Cornell PRO-DAIRY team. Lawrence works with the New York dairy industry as a private-sector certified crop adviser and as a field crops educator for Cornell Cooperati...

In this episode of the Maine Farmcast, Dr. Colt Knight talks with Dana Brown, a dairy nutritionist, former president of the Maine Beef Producers Association and livestock producer, about the revival and impact of the Northeast Livestock Expo, known as NELE. They discuss how the long-running Maine event has evolved into a multi-species educational experience that brings together youth, producers an...

In this episode of the Maine Farmcast, host Colt W. Knight sits down with Courtney Morse of Robinson Insurance Agency to discuss a topic many farmers avoid until it is too late: farm insurance. From hobby farms to full-scale agribusinesses, Morse shares practical insights on how insurance needs evolve as operations grow and diversify. The conversation highlights common misconceptions, including th...

On this episode of the Maine Farmcast, Dr. Glenda Pereira, assistant Extension professor and state dairy specialist for University of Maine Cooperative Extension, talks with Dr. Alicyn Smart, a doctor of plant medicine and plant pathologist and director of the Plant Disease Diagnostic Laboratory at the University of Maine. Dr. Smart also is the executive director of the National Plant Diagnostic N...

After 100 episodes of the Maine Farmcast, Dr. Colt W. Knight and Dr. Glenda Pereira take a moment to reflect on the journey. What started as a leap into the unknown has grown into a weekly podcast connecting farmers, researchers, and agricultural professionals across the country. Guided by the simple mindset of “just do it,” this milestone episode looks back at the early days, the evolution of the...

In this episode of the Maine Farmcast, hosts Colt Knight and Glenda Pereira are joined by Dr. Erin Percival Carter, associate professor of marketing at the University of Maine, to examine one of the biggest challenges facing Maine farmers today: making farm businesses profitable while competing outside the commodity system. Drawing on her background in agriculture, consumer behavior research and f...

In this episode of the Maine Farmcast, Dr. Glenda Pereira, assistant extension professor and state dairy specialist for the University of Maine Cooperative Extension, speaks with Joe Lawrence, dairy forage systems specialist with the Cornell PRO-DAIRY team. Lawrence works with the New York dairy industry as a private-sector certified crop adviser and as a field crops educator for Cornell Cooperati...

In this episode of the Maine Farmcast, hosts Colt and Glenda are joined by Dr. Tom Rounsville, an applied molecular genetics specialist with University of Maine Cooperative Extension, for an engaging, wide-ranging conversation that blends humor, science and real-world problem-solving. What starts as a spirited debate about bald eagles, hawks and other wildlife quickly transitions into Dr. Rounsvil...

On this episode of the Maine Farmcast, Glenda and Colt are joined by returning guest Tom Hodgman. The conversation includes the origin story of the Katahdin sheep, a breed developed right here in Maine that has gone on to become one of the most influential sheep breeds in North America. Tom explains how the Katahdin breed came about from a decades-long vision by Maine breeder Michael Piel. The con...

On this episode of the Maine Farmcast, Dr. Glenda Pereira, an assistant Extension professor and state dairy specialist with the University of Maine Cooperative Extension, talks with Brett Johnson, an assistant Extension professor and the sustainable agriculture and farm business management educator. The episode focuses on Johnson’s programming, including learning about and addressing agricultural...

Glenda and Colt sit down with Patricia Henderson, farm superintendent of the J.F. Witter Center at the University of Maine. Henderson shares her journey from growing up on a diversified livestock farm in Aroostook County to becoming a UMaine alum and helping develop the university’s robotic milking facility. The conversation highlights student learning, faculty research and livestock programs, alo...

On this episode of the Maine Farmcast, Dr. Glenda Pereira, assistant Extension professor and state dairy specialist for the University of Maine Cooperative Extension, has a conversation with Maddy Philbrick, a UMaine graduate who is now attending veterinary school. This is a two-part series in which Maddy discusses her journey in applying to and getting accepted to veterinary school. During this s...

On this episode of the Maine Farmcast, Dr. Glenda Pereira, assistant Extension professor and state dairy specialist with the University of Maine Cooperative Extension, talks with Maddy Philbrick, a UMaine graduate who is now attending veterinary school. This two-part series follows Philbrick’s journey through the veterinary school application and acceptance process. In part one, she discusses appl...

On this episode of the Maine Farmcast, Dr. Glenda Pereira, assistant extension professor and state dairy specialist for the University of Maine Cooperative Extension, has a conversation with Dr. Alicyn Smart, a doctor of plant medicine and the plant pathologist and director of the Plant Disease Diagnostic Laboratory at the University of Maine. As a plant pathologist, Dr. Smart helps her clients di...

Recorded live from the 2026 Maine Agricultural Trades Show, this special episode of the Maine Farmcast features an in-depth conversation with Maine Commissioner of Agriculture, Conservation and Forestry Amanda Beal. Commissioner Beal joins hosts Dr. Glenda Pereira and Dr. Colt Knight to reflect on her agricultural roots, career path, and current role leading one of Maine’s most vital agencies. Fro...