#1154 - Doug Duren & Bryan Richards
NaN minutesEpisode #1154
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.
Watch the full episode of #1154 - Doug Duren & Bryan Richards.
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.