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PODCAST

Cow Talks

Marcelo Wallau and Chris Prevatt

Cow Talks with Dr. Marcelo Wallau, UF/IFAS Forage Extension Specialist and Chris Prevatt, Beef Cattle and Forage Commodity Director for the Alabama Farmers Federation. This podcast is tailored towards producers and extension agents in Florida. For more information and transcripts of the episodes, visit https://www.wallauforages.com/ under the Extension tab.

science natural sciences

All Episodes

00:05:39

Wrapping up 2025!

Cow Talks ·

2025/12/26

Join Marcelo Wallau as he wraps up an incredible year for Cow Talks, thanking listeners and guests alike for the best season yet. Tune in for insights and a look ahead to more engaging content in the new year.

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00:54:34

2025 Recap: The Cattle Market

Cow Talks ·

2025/12/19

In this episode, Marcelo Wallau, Chris Prevatt, and Hannah Baker reflect on 2025 as a pivotal year for the beef cattle industry. They look back on how market trends, rising production costs, shifting consumer demand, and pressures from imports shaped the year, while examining the consequences of historically low cattle inventories. The discussion also revisits the challenges posed by screwworm and what they revealed about industry preparedness and risk management. Together, the hosts consider what

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00:21:46

The Role of Grasslands

Cow Talks ·

2025/12/12

Join us in this episode from our sister podcast, Forage Nexus, where we delve into the world of grasslands and their pivotal role in sustainable agriculture. We bring in Dr. Lynn Sollenberger, a renowned expert in forage systems. Hosted by Marcelo Wallau, Lilian Silva, and Bruno Pedreira, this episode features insights about the vast scale of grasslands, their impact on ecosystems, and the unique benefits they offer to our society and environment.

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00:16:26

Research in Perspective: Mastering Bahia Grass Growth

Cow Talks ·

2025/12/05

In this episode of Our Research in Perspective, host Marcelo Wallau speaks with Renan Pedro Becker, a Master's degree student at the University of Florida. Renan is working with new tetraploid (Argentine-type) bahiagrass materials. This conversation focuses on management strategies to increase seed production. Becker explains how short mowing height in late spring, at the beginning of the reproductive phase, can increase tillering and, therefore, seed production. His work is part of an effort

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00:27:18

Research in Perspective: Legumes in Pasture Systems

Cow Talks ·

2025/11/21

In this episode of Research in Perspective, host Marcelo Wallau speaks with Dr. Nicolas Caram, a recent PhD graduate from our Agronomy Department. The conversation is about the balance of legumes and grasses in pasture systems. They delve into the productive, environmental and economic impacts of legume integration, exploring how different proportions of legumes in pasture can affect animal performance and pasture productivity. Nico shares insights from his research on the importance of legumes in

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00:46:53

Solar Grazing in Agrivoltaics

Cow Talks ·

2025/11/14

In this episode of Cow Talks, Dr. Marcelo Wallau speaks with Jim Malooley, director for Agrivoltaic Operations at Silicon Ranch, and Bill Johnson, 7th generation farmer, now at Silicon Ranch. This interview was part of the 4th Small Ruminant Short Course hosted at the University of Florida in 2025, and was recorded live during that event. Dr. Wallau and his guests explore the concepts of agrivoltaics, where we merge agricultural and energy production to improve land use efficiency. In the discussion

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00:18:57

The Mole Cricket Comeback: Uncovering the Pests...

Cow Talks ·

2025/11/07

In this episode of Cow Talks, host Marcelo Wallau speaks with entomologists Dr. Norman Leppla and graduate researcher William Piwowarek about the reemergence of mole crickets in Florida’s pastures. The conversation digs into the pest’s South American origins, the history of insecticide and biological control efforts, and how sustainable management practices can prevent infestations. Wilhelm shares his ongoing fieldwork and surveys across the state to understand why some farms are seeing renewed

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00:20:09

Research in Perspective: Cool-Season Forage...

Cow Talks ·

2025/10/31

In this first episode of Our Research in Perspective, Dr. Marcelo Wallau speaks with Dr. Hannah Rush —agronomist and agroecologist researcher in sustainable cropping with the University of Minnesota— to discuss her research on sustainable cropping practices. Their conversation explores strategies for establishing cool-season forages, the value of species diversity in forage systems, and practical approaches to nitrogen fertilization and legume integration. Together, they highlight how functional

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00:29:47

Mental Health in Agriculture with Mind your Melon

Cow Talks ·

2025/10/24

In this episode of Cow Talks, Dr. Marcelo Wallau brings Marshall Sewell, founder of Mind your Melon, an organization dedicated to addressing mental health stigmas in agriculture. Together, they explore the unique stressors faced by farmers that stem from generational and current economic pressures. Marshall shares his personal story of loss and the founding of the Mind Your Melon Foundation, which aims to raise awareness and provide resources for mental health in the agricultural community. The

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00:27:03

Prussic Acid Management in Sorghum Forages

Cow Talks ·

2025/10/17

In this episode of Cow Talks, host Dr. Marcelo Wallau and Dr. Shelby Gruss discuss nitrate toxicity and prussic acid poisoning in livestock, particularly in relation to forage production. They explore the causes and management strategies for these two distinct problems. The conversation highlights the significance of educating producers about these issues to ensure the safety and health of livestock.

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00:16:19

New Rules for Pesticide Application Licensing and the...

Cow Talks ·

2025/10/10

In this episode of Cow Talks, Dr. Brett Bultmeier, director of the University of Florida / IFAS Pesticide Information Office, discusses significant changes in pesticide licensing, and some new regulations that are coming up. The discussion explores the transition to new testing procedures, the implications of new labeling requirements, and the expected impact on farmers. The conversation also highlights the importance of keeping up with regulatory changes within federal agencies like the EPA and the

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00:20:02

Fall Forecast for Florida Forages

Cow Talks ·

2025/10/03

In this episode of Cow Talks, Marcelo Wallau and David Zierden discuss the recent weather patterns in Florida and the impact it may have on farmers, focusing on the summer's unusual dryness and the impact of La Niña on upcoming winter conditions. They explore the implications of hurricane activity and the importance of planning ahead for farmers during this fall season 2025. For more information, check out https://climatecenter.fsu.edu/.

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00:22:21

Integrating Legumes to Improve Forage Diversity

Cow Talks ·

2025/09/26

In this conversation, we revisited two old episodes from Forage Nexus, our sister podcast with Drs. Lilian Silva, from Clemson University, and Bruno Pedreira, from the University of Tennessee. We invited two distinguished colleagues, Drs. Jim Muir and Jamie Foster discuss the importance of legumes in forage and livestock production systems. We explored ways to increase forage productivity and resilience through legumes, and discussed the challenges of adopting legumes at the farm scale. Those

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00:33:07

Revisiting the International Silage Conference with...

Cow Talks ·

2025/09/19

In this episode of Cow Talks, Dr. Marcelo Wallau hosts his colleagues Dr. Diwakar Vyas and Dr. Adesogan Adegbola (Gbola), to discuss the recent XX International Silage Conference held at the University of Florida in July 2025. The conference brought 330 researchers and allied industry from 37 different countries, representing 141 organizations, institutions and companies. . They explore the origins of the conference, its impact on global networking, key takeaways from presentations, and the role of

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00:26:54

Optimizing Fertilization in Livestock Management with...

Cow Talks ·

2025/09/05

This conversation takes listeners back to 2021 with expert Dr. Cheryl Mackowiak, who delves into the intricacies of fertilization strategies in livestock management, focusing on both cool and warm season pastures. The discussion highlights the importance of nitrogen management, the role of legumes in enhancing soil fertility, and the challenges faced in seed production, particularly with Bahia grass. The hosts share insights from their experiences and research, providing practical advice for

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00:31:35

Cool-Season Forages in the Southeast with Henry Jordan

Cow Talks ·

2025/08/15

In this episode of Cow Talks, Dr. Marcelo Wallau discusses the intricacies of cool season variety trials with Henry Jordan and Maria Elena Mailhos. They delve into the importance of variety trials in forage production with a specific focus on the impact of cool seasons on crop yield across the southeast, specifically, in Florida and Alabama. The conversation also covers seeding rates, seed availability, and emerging varieties in the forage

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00:38:34

New World Screwworms with FDACS

Cow Talks ·

2025/08/08

Join us on Cow Talks as we delve into the pressing issue of New World Screwworms with Dr. Diane Kitchen, a veterinary manager with FDACS and state epidemiologist. As a continuation of our conversation with Drs. Andrew Short and Edwin Burgess, we discuss the history, current threats, and the critical importance of surveillance and reporting in preventing the spread of this potentially devastating pest. Stay informed and vigilant to protect both livestock and wildlife in the Southeastern United States

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00:21:51

Integrating Cattle and Conservation in Florida...

Cow Talks ·

2025/07/25

In this episode of Cow Talks, Steve Smith, Chief of Field Services at Florida’s Office of Agricultural Water Policy, joins host Marcelo Wallau to unpack the role of Best Management Practices (BMPs) in sustainable farming. They discuss how BMPs support both environmental protection and agricultural efficiency, the benefits of enrolling in the program, and how Florida producers can access cost-share opportunities and technical support. A must-listen for anyone involved in or curious about the future

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00:33:15

The Return of the Screwworm: Threats, History, and...

Cow Talks ·

2025/07/18

Screwworms were things of past nightmare for livestock and wildlife in US. Are they coming back? In recent months, this old threat has reemerged in previously eradicated areas in Central America, making its way to Mexico and getting closer to US borders (https://www.aphis.usda.gov/livestock-poultry-disease/cattle/ticks/screwworm/outbreak-central-america). While not here yet, many people are in high alert. In this episode of Cow Talks, we talk to Drs. Andrew Short and Ted Burges from the University

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00:36:19

Advancements in Forages: A Journey with Dr. Monte...

Cow Talks ·

2025/07/11

This presentation with Dr. Monte Rouquette as part of the 75th Beef Cattle Short Course delves into the intricacies of forage research and its critical role in sustainable pasture management and livestock production. He discusses various aspects of forage science including, nutrient cycling, and the importance of genetics in livestock performance. The necessity for team collaboration is discussed, along with future directions in forage and livestock research.

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