#1154 - Doug Duren & Bryan Richards
NaN minutesEpisode #1154
Bryan RichardsDoug Duren
Doug Duren is a passionate hunter, farmer, land manager and conservationist. Bryan Richards is the CWD project leader for the U.S. Geological Survey's National Wildlife Health Center.
Episode Timestamps
Discussion on Chronic Wasting Disease with Ted Nugent and Potential Human Health Implications
- Ted Nugent downplayed the consequences of Chronic Wasting Disease (CWD) on Joe Rogan's farm in Wisconsin.
- Brian Richards, a wildlife biologist, discusses the origins and impact of CWD on deer populations.
- CWD is a transmissible spongiform encephalopathy that results in holes in the brain leading to death and poses a potential risk to human health.
Prions, Mad Cow Disease, and Human Transmission Concerns
- Explanation of Transmissible Spongiform Encephalopathy (TSE) like Mad Cow Disease and its similarities to CWD.
- Prions, the disease-causing agents, show resistance to heat and have the potential to infect humans.
- Discussion on the role of prions in transforming normal cellular proteins into disease-associated forms with unique characteristics.
Chronic Wasting Disease (CWD) Spread: Early Detection and Management Challenges
- CWD is transmitting through seemingly healthy deer, indicating potential widespread exposure
- CWD has been detected in multiple states and countries, with evidence of increasing spread
- Norway's proactive approach involves eliminating reindeer herds affected by CWD for five years
Norway's Aggressive Response to CWD: Mass Culling and Stamping Out Strategy
- Norway undertakes mass culling of infected reindeer herds to prevent CWD spread
- Stamping out approach, eliminating entire herds, a drastic but effective measure
- Five-year containment strategy followed by controlled repopulation and rigorous testing
Chronic Wasting Disease (CWD) Transmission and Impact on Deer Population
- EHD contrasted with CWD in terms of transmission cycle and prevalence.
- High prevalence of CWD in specific deer farms like Hall Farm in Wisconsin and Iowa.
- Concerns about the continuous spread and lack of known ecological factors halting CWD transmission.
CWD Potential Impact on Human Health and Transmission Beyond Species
- Discussion on the potential of CWD crossing species barrier to humans.
- Reference to studies showing CWD prion protein affecting human prion conversion.
- Debate on the evolving strains of CWD and its implications on species barrier.
Concerns about Chronic Wasting Disease (CWD) Transmission in Mule Deer Herds
- Significant prevalence of CWD in mule deer herds, potentially up to 20%.
- Discussion on the possibility of CWD transmission via agricultural commodities and fecal material.
- Concerns raised about the spread of CWD through the movement of agricultural products across borders.
Challenges and Tactics in Addressing Misinformation on CWD
- Discussion on tactics used to divert attention from CWD impacts by cherry-picking literature.
- Highlighting the difficulty in proving the effects of CWD due to factors in the biological world.
- Concerns raised about the potential of CWD to evolve into a pandemic disease.
BSC and CWD: A Deep Dive into Prion Diseases
- Discussion on the different incubation periods of BSC (Mad Cow Disease) and CWD in animals like deer and cows.
- Explanation of how BSC-infected cows do not shed infectious agents unlike CWD-positive deer and scraping positive sheep.
- Importance of precautionary measures like not allowing older-aged cattle into the human food chain to prevent Mad Cow Disease.
Impact of Human Activities on the Spread of CWD
- Analysis of how human-assisted movements play a major role in spreading Chronic Wasting Disease (CWD) among deer.
- Discussion on the dangers of transferring carcasses and the need for stricter regulations and educational programs to prevent the spread of CWD.
- Exploration of unethical practices like releasing farm-grown deer with artificially enlarged antlers into the wild, impacting natural selection.
Chronic Wasting Disease and Captive Deer Facilities
- CWD potentially spread through captive deer facilities importing and releasing animals into the wild for hunting.
- In the lower 48, around 100 captive deer and elk facilities have been identified as CWD positive.
- First instances of CWD were described in Colorado in 1967, but deer farming industry boomed in the 60s and 70s.
Managing Carcass Hygiene and Disease Spread
- Concerns about CWD have prompted discussions on proper handling of deer carcasses.
- Efforts to dispose of deer remains safely include using clay-lined landfills and specialized dumpsters.
- Proposals like self-service kiosks for deer testing aim to streamline disease monitoring and control.
Managing Deer Bones and Wildlife Diseases
- DNR suggests leaving deer bones on the farm to prevent disease spread.
- Importance of disease prevention and not moving infected carcasses.
- Research funding and transparency with stakeholders crucial in disease management.
Vaccines and Genetic Resistance in CWD
- Challenges in vaccine development for prion diseases like CWD.
- Research on genetic markers providing protection from the disease.
- Discussion on the advantages and limitations of genetic resistance in deer populations.
Chronic Wasting Disease and Its Impact on Deer in Kansas
- Discussion on Chronic Wasting Disease (CWD) and its presence in deer populations
- Game warden Michael Hopper's contribution in monitoring deer with CWD in Kansas
- Transmission methods and impact of CWD on wildlife health
Exploring the Role of Wolves in Managing CWD Spread
- Investigating the potential interactions between wolves and CWD-infected deer
- Discussion on the predatory behavior of wolves in relation to deer health
- Exploring mathematical models on using predators to slow or stop the spread of CWD
Deer Population Management and Disease Control Efforts
- The increase in deer population poses various challenges like disease transmission and habitat destruction.
- Historical management strategies aimed at growing deer populations have led to exponential growth.
- Current approaches include distributing more tags to control population size and implementing disease management measures like antler point restrictions.
Biological and Sociological Implications of Deer Management
- Balancing biological disease control with sociological aspects like hunter engagement is complicated.
- Promoting older male deer could affect disease prevalence negatively in areas with CWD.
- Effective communication through platforms like podcasts is crucial to raise awareness about the complex issues surrounding deer management.
Wisconsin's Legislative Challenges in Conservation
- Supreme Court grants Department of Conservation the right to restrict animal imports for herd integrity
- Laws can be changed under various pressures like forestry legislation
- Ethical considerations versus legalities in conservation decisions
Controversial Management Strategies in Disease Control
- Legislatively controlled antler tag allocations
- Controversy over Ernebuck policy and its opposition by hunters
- Efforts to reduce deer populations for disease control despite resistance
Doug's Reflection on Hunting Legacy & Future Generations
- Reflects on personal hunting experiences and the joy of hunting.
- Expresses concerns about the future of hunting traditions and passing it on to future generations.
- Emphasizes the importance of sustainability and preserving hunting heritage for the future.
Impacts of Chronic Wasting Disease on Deer Population
- Discusses the economic importance of deer hunting in Wisconsin.
- Highlights the challenges posed by Chronic Wasting Disease (CWD) in deer.
- Describes the impact of CWD on deer health, population dynamics, and hunting experiences.