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Have You Herd? AABP PodCasts

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Have You Herd? is brought to you by the American Association of Bovine Practitioners, an international association of cattle veterinarians and veterinary students dedicated to the health, productivity and welfare of cattle.
33 Episodes
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Listen in as AABP Executive Director Dr. Fred Gingrich is joined by 2021 AABP candidates for AVMA Delegate, Dr. Bryan Halteman and Dr. Hunter Lang. Each candidate provides their background and professional activities to introduce themselves to our members. They are asked how their membership in AABP has impacted their career, what role they envision as an AVMA delegate, what experiences they have to bring to the position, and what they believe are the major issues that are important for AABP advocacy working with the AVMA.  Information about Dr. Halteman’s practice, Lander Veterinary Clinic, located in Turlock, CA, can be found at https://bit.ly/3kG9JJ2.  Information about Dr. Lang’s practice, Sauk Prairie Veterinary Clinic, S.C., located in Prairie du Sac, WI,  can be found at https://bit.ly/3f8LMch.  AABP veterinarians, grad student, and Honor Roll members can vote by going to this link before December 18th at 5 pm Eastern. Candidate videos and biographies can be found at that link.
Listen in as AABP Executive Director Dr. Fred Gingrich is joined by 2021 Vice-President candidates Dr. Randall Spare and Dr. Michael Capel. Each candidate provides their background and professional activities to introduce themselves to our members. They are asked how their membership in AABP has impacted their career, what they would say to a bovine practitioner that is not a member of AABP, and what initiatives they want to take on as a leader of AABP.  Information about Dr. Spares practice, Ashland Veterinary Center in Ashland, Kansas, can be found at https://bit.ly/36BP3ge. Information about Dr. Capel’s practice, Perry Vet in Perry, New York, can be found at https://bit.ly/2IxSGM0. AABP veterinarian, grad student, and Honor Roll members can vote by going to this link before December 18th at 5 pm Eastern. Candidate videos and biographies can be found at that link.
Although veterinarians may not be administering individual treatment to clinical, recumbent milk fever cases, there are many opportunities for us to be involved with preventing, monitoring, and developing protocols for treatment of hypocalcemia. In this episode, AABP Executive Director Dr. Fred Gingrich is joined by Dr. Jess McArt, a clinician and researcher from Cornell University. Dr. McArt discusses practical tips for diagnosing and treating cases of clinical hypocalcemia, as well as providing suggestions for veterinary involvement in prevention and monitoring of this disease. We also discuss the effects of subclinical hypocalcemia, which can be diagnosed in 30-50% of cows on some dairy farms, even with a clinical incidence rate of well under 5%. Dr. McArt also discusses some of the research on hypocalcemia, including a recent project that demonstrated blood samples taken pre-treatment can sit in cold storage for an extended period without adversely affecting accuracy of results for blood calcium levels. Dr. McArt also discusses future research, including the effects of transient, persistent, or delayed subclinical hypocalcemia in early lactation cows. AABP members can listen to Dr. McArt’s research summary presentations on calcium by going to the BCI CE portal and searching under the Research Summaries or the Annual Conference Proceedings and searching for McArt. Relevant publications: McArt JAA, Neves RC. Association of transient, persistent, or delayed subclinical hypocalcemia with early lactation disease, removal, and milk yield in Holstein cows. J Dairy Sci. 2020 Jan;103(1):690-701. doi: 10.3168/jds.2019-17191. Epub 2019 Nov 6. PMID: 31704009 Bach KD, Neves RC, Stokol T, McArt JAA. Technical note: Effect of storage time and temperature on total calcium concentrations in bovine blood. J Dairy Sci. 2020 Jan;103(1):922-928. doi: 10.3168/jds.2019-17394. Epub 2019 Nov 14. PMID: 31733856. Neves RC, Stokol T, Bach KD, McArt JAA. Method comparison and validation of a prototype device for measurement of ionized calcium concentrations cow-side against a point-of-care instrument and a benchtop blood-gas analyzer reference method. J Dairy Sci. 2018 Feb;101(2):1334-1343. doi: 10.3168/jds.2017-13779. Epub 2017 Dec 14. PMID: 29248221. Leno BM, Neves RC, Louge IM, Curler MD, Thomas MJ, Overton TR, McArt JAA. Differential effects of a single dose of oral calcium based on postpartum plasma calcium concentration in Holstein cows. J Dairy Sci. 2018 Apr;101(4):3285-3302. doi: 10.3168/jds.2017-13164. Epub 2018 Feb 14. PMID: 29454686. Neves RC, Leno BM, Stokol T, Overton TR, McArt JAA. Risk factors associated with postpartum subclinical hypocalcemia in dairy cows. J Dairy Sci. 2017 May;100(5):3796-3804. doi: 10.3168/jds.2016-11970. Epub 2017 Mar 16. PMID: 28318576. 
In this episode, we discuss Anaplasmosis with Dr. Hans Coetzee of Kansas State University. Anaplasmosis was first described in 1925 and has spread to all 48 contiguous US states. Anaplasmosis is classically spread through blook sucking parasites, primarily 17 different species of ticks. However, Dr. Coetzee has demonstrated that 6/10 animals will become infected if exposed to dirty needles, making mechanical transfer via infected equipment an important pathway for disease transmission. That study can be found here.  Dr. Coetzee discussed the importance of the veterinarian consulting their clients on Anaplasmosis control and that different management strategies depend on the geographic location of the herd and if the herd is in an endemic area versus non-endemic area and if the herd is naïve or exposed. Using the PCR test for herd purchases for low prevalence areas is important to prevent introduction of the disease into naïve herds.  In herd situations where the disease is not endemic, Dr. Coetzee discusses the importance of testing all at risk animals to determine the prevalence within the herd as well as identifying positive from negative animals to develop an appropriate treatment and control strategy. Veterinarians should understand the legalities of treating individual animals as well as understand there are four commercially available products for medicated feed to control anaplasmosis with chlortetracycline (CTC). Not all minerals are labeled for free choice feeding so using the appropriate product is important. Dr. Coetzee has published research on plasma-CTC concentrations which can be found here. He also discusses the challenges with vaccination and the lack of published data on Anaplasmosis vaccination efficacy. He continues to look at alternative vaccination strategies, including work on his previously published research on an ear implant vaccine which can be found at this link.  Veterinarians are encouraged to work with clients to develop effective, economic, and legal Anaplasmosis testing, treatment, and control strategies. He encourages veterinarians to contact him with herd Anaplasmosis problems. Dr. Coetzee et al. have published two papers in the AABP Bovine Practitioner on the management and epidemiology of bovine Anaplasmosis in 2010 and 2012. 
Today’s episode of Have You Herd? with Dr. Fred Gingrich, Executive Director of AABP, is a discussion with Dr. Dick Weinshilboum, an M.D. from the Mayo Clinic in Rochester, MN. Dr. Weinshilboum has been involved in human pharmacogenomic research for over 40 years and was one of the initial investigators of this fascinating field in human medicine. Pharmacogenomics identifies the variety of genetic differences and how these variances might explain an individual’s response to chemicals in their environment. Dr. Weinshilboum explains that there have been twenty drug-gene pairs identified in the human genome for commonly prescribed drugs for which there are genetic variations. He discussed some specific examples of where identifying these drug-gene pairs can prevent an adverse reaction to a drug or improve therapeutic outcome. The primary clinical utility for this application is in cancer therapy, however he also identified the application of pharmacogenomics for treatment of cardiovascular disease with the drug clopidogrel and improving the outcome of treatment of depression with selective serotonin reuptake inhibitors. Dr. Weinshilboum predicts that there is no doubt pharmacogenomics will have application in veterinary medicine, including guiding antimicrobial therapy, determining how a drug might be metabolized in animals with identifiable genetic variants, and responses to other therapies. He also suggests that veterinary researchers can utilize what has already been discovered in human medicine and apply it to veterinary medicine as the scientific principals are the same and our patients have the advantage of less genetic diversity when applying pharmacogenomics. Relevant Research Papers: Richard Weinshilboum: Pharmacogenomics – The Future Is HereMol Interv. 2003 May;3(3):118-22https://bit.ly/3nUOGWg Pharmacogenomics in Practice. Wang L, Weinshilboum R.Clin Pharmacol Ther. 2019 Nov;106(5):936-938.https://bit.ly/3dthekC Pharmacogenomics: Precision Medicine and Drug Response. Weinshilboum RM, Wang L.Mayo Clin Proc. 2017 Nov;92(11):1711-1722.https://mayocl.in/33YCcoy Research Directions in the Clinical Implementation of Pharmacogenomics: An Overview of US Programs and Projects. Volpi S, et. alClin Pharmacol Ther. 2018 May;103(5):778-786. https://ascpt.onlinelibrary.wiley.com/doi/abs/10.1002/cpt.1048 Clopidogrel Pharmacogenetics. Pereira NL, et. alCirc Cardiovasc Interv. 2019 Apr;12(4):e007811. https://bit.ly/37bI8N0Pharmacogenomics-Driven Prediction of Antidepressant Treatment Outcomes: A Machine-Learning Approach With Multi-trial Replication. Athreya AP, et. alClin Pharmacol Ther. 2019 Oct;106(4):855-865. https://bit.ly/3k73TB6    
AABP member Dr. David Smith joins us in this episode to discuss basic principles of epidemiology. Dr. Smith defines epidemiology as studying population and group dynamics to understand health and disease. We begin by discussing the evidence pyramid to discuss the types of evidence and how to evaluate each level for incorporating results into practice. We also review basic epidemiologic terms such as sensitivity, specificity, positive predictive value, confidence interval, p-value and treatment effect or effect size. Listen to his recommendations for how practicing veterinarians can determine if an effect they are seeing is due to a specific intervention or disease process. Dr. Smith also makes recommendations for veterinarians that do not have a large sample size and how to apply evidence-based decisions to your treatment and prevention protocols. We also discuss the COVID-19 pandemic and how epidemiology is applied to testing and control measures. Join us for this refresher course on epidemiology that can be applied by every veterinarian!
In this episode, Dr. Fred Gingrich is joined by AABP member Dr. Hans Coetzee to discuss pain management in cattle. Dr. Coetzee has been actively involved with research on pain in cattle. He references FDA Guidance #123 which outlines validated methods of pain assessment in animals. We discuss some of the challenges in performing this research as well as challenges to implementing pain management techniques in practice. Dr. Coetzee also discusses the legalities of using drugs in an extra-label manner in the US and the letter from the FDA written to Dr. Gingrich regarding the use of meloxicam for castration and dehorning pain. That letter can be found on the AABP website at this link.  Dr. Coetzee discusses the differences in pain management implementation in beef versus dairy management systems and a holistic approach, not just pharmacological approach, to pain management. Under the leadership of Dr. Coetzee and a working group, AABP developed a pain management resource that provides drugs, dosages, suggested withdrawal intervals, and research to pain management in cattle. This resource can be found on the CPBI committee page at this link. AABP has also developed guidelines on dehorning and castration that are useful to assist veterinarians and producers in performing these procedures while optimizing the health and welfare of the patient.  
Lameness in dairy cattle remains a major issue on many farms. In this episode, AABP Executive Director Dr. Fred Gingrich is joined by AABP member and lameness expert Dr. Gerard Cramer from the University of Minnesota. Dr. Cramer states that lameness is a major animal welfare issue and relieving the pain associated with lameness in individual cattle is a major treatment goal. He references a paper in the Journal of Dairy Science, “Evaluation of treatments for claw horn lesions in dairy cows in a randomized controlled trial” by Thomas et. al. which studies that use of NSAID’s for relief of the pain associated with lameness.  We discuss three major causes of lameness: digital dermatitis, sole ulcers and foot rot, including pathophysiology, prevention and treatment strategies. Dr. Cramer also suggests that veterinarians have a tremendous opportunity to be involved in lameness monitoring and evaluation on dairy farms. He recommends to “put teats on the feet” and evaluate the data from your client’s farms similar to how we evaluate udder health data. We also discuss footbath strategies and the appropriate dimensions of a footbath to improve effectiveness.  Dr. Cramer is the recipient of the AABP Foundation’s competitive research grant for dairy. His project, “Development of a sole ulcer induction model in Holstein cows: The next step in lameness research” was funded in 2020 by the AABP Foundation. He discusses how this funding can be a seed for obtaining additional funding from other organizations. The AABP Foundation supports clinical research for beef and dairy projects that might not be funded elsewhere. These projects are funded by member donations. Please donate to the Foundation by going to this link today! A $10 minimum donation from each listener of this podcast will generate a significant amount of funds for the Foundation! All of the research projects funded by the Foundation and links to publications can be found at https://bit.ly/3gH87gn and projects funded by the Foundation and Hoof Trimmers Association can be found at https://bit.ly/3gzeaU8.  We also discuss the work of the AABP Lameness Committee and development of fact sheets that are provided as a member resource. You can find these fact sheets on the Lameness Committee page at this link.  
In this episode, Dr. Fred Gingrich is joined by guests Dr. Travis White and Dr. Mike Nagorske from SCCL, a platinum level sponsor of the 53rd AABP Annual Conference. SCCL is committed to bovine health, specifically the health of dairy and beef calves. We discuss the importance of colostrum for the first, and additional, feedings and how to measure the effectiveness of passive transfer. The first meal the calf receives impacts lifelong productivity and has major influences on gut development from day one of the newborn calf’s life. We also discuss using colostrum products not only for prevention of disease, but also as a treatment for calf scours and its role in antimicrobial stewardship. Please visit the SCCL virtual booth and in the exhibit hall in Louisville to find out more about the products they offer and about their company. AABP extends thanks to SCCL for their platinum sponsorship of our conference.  We reference several publications and encourage our members to look to these resources for additional information: Lombard J., et. al, J Dairy Sci., “Consensus recommendation on calf and herd-level passive immunity in dairy calves in the United States” Chamorro M.F., et. al, J. Dairy Sci., “Evaluation of the effects of colostrum replacer supplementation of the milk replacer ration on the occurrence of disease, antibiotic therapy, and performance of pre-weaned dairy calves” Guilloteau P., et. al, J. Phys. Pharm. “Gastrointestinal tract and digestion in the young ruminant: ontogenesis, adaptations, consequences, and manipulations” Ballou M., Western Dairy Conference Proceedings, “Nutrition influences the health of dairy calves” USDA NAHMS information can be found at https://bit.ly/2Fr4ZIQ.  
In this episode, AABP Executive Director Dr. Fred Gingrich talks with AABP Past President Dr. John Davidson. Dr. Davidson is the senior associate director of beef professional veterinary services with Boehringer Ingelheim (BI). BI is a platinum level sponsor of the 53rd AABP Annual Conference. Dr. Davidson reviews the history of bovine viral diarrhea virus (BVDV) in the US and the shift from Type 1a to Type 1b. BI has developed a website to track sample submissions for typing BVDV and results show 72% of samples submitted are Type 1b. We discuss the prevention and control strategies for beef and dairy operations including testing to identify persistently (PI) animals, biosecurity, and working with your veterinarian to develop a vaccination program, including the use of modified-live vaccines such as Pyramid 5 + Presponse SQ. We discuss some of the peer-reviewed publications on BVD Type 1b and vaccination:·         Fulton R., et. al -  Vaccine “Immune Response to bovine viral diarrhea vaccines (BVDV) detecting antibodies to BVDV subtypes 1a, 1b, 2a and 2c”·         Leyh R. et. al  - American Journal of Veterinary Research JVR “Fetal protection in heifers vaccinated with a modified-live virus vaccine containing bovine viral diarrhea virus subtypes 1a and 2a and exposed during gestation to cattle persistently infected with bovine viral diarrhea virus subtype 1b+”·         Chase C. – Biologicals “The impact of BVDV Infection on Adaptive Immunity”·         Wittum T. et. al – “Persistent bovine viral diarrhoea virus infection in US beef herds” Dr. Davidson wraps up the program with the Boehringer Ingelheim message “Cattle First” and what the message means to him and his colleagues. You can find the documentary produced by BI featuring the Johnson Family from Flying Diamond Ranch from Colorado at https://bit.ly/3gFWxlm.  Visit the AABP virtual exhibit hall at http://louisville.aabp.org including the BI booth where you can find resources, contact information for the Professional Services Veterinary team, information on Zactran and Pyramid 5 + Presponse SQ. Find out more information about Boehringer Ingelheim and the products they carry at https://bit.ly/31Ctdbi. 
In this episode, AABP Executive Director Dr. Fred Gingrich discusses the use of intranasal vaccines with Dr. Chris Chase. This podcast was created by the AABP Committee on Pharmaceutical and Biologic Issues to educate our members on the history, proper use, and science of intranasal vaccines. Dr. Chase is a world-renowned immunology expert. We discuss the new single-tier vaccine labeling claim from USDA APHIS Center for Veterinary Biologicals. You can search for veterinary biologic’s product summaries at https://bit.ly/3gzShUE.  Dr. Chase discusses the type of immune response from intranasal vaccines as well as providing some practical administration tips to improve efficacy. We discuss implementation of intranasal vaccines in cow-calf, dairy and feedlot operations as well as their potential use in disease outbreaks.  Dr. Chase references two peer-reviewed publications:· Cortese V., Woolums A., et. al – Veterinary Immunology and Immunopathology “Comparison of interferon and bovine herpesvirus-1-specific IgA levels in nasal secretions of dairy cattle administered an intranasal modified live viral vaccine prior to calving or on the day of calving”·  Walz P., Montgomery T., et. al – Journal of Dairy Science “Comparison of reproductive performance of primiparous dairy cattle following revaccination with either modified-live or killed multivalent viral vaccines in early lactation” You can find out more information about Dr. Chase’s upcoming AABP presentation, Clinical Forum, and the Research Summary schedule by visiting http://louisville.aabp.org. 
In 2019, the AABP Cattle Branding Working Group was created with members of the AABP Animal Welfare Committee and Beef Health Management Committee, along with representatives from the AABP Board of Directors. The working group was chaired by Dr. Tiffany Lee and was formed due to conversations among the Animal Welfare Committee regarding branding. The goal of the working group was to review the literature for studies on branding, develop resources discussing branding, and provide a document that outlined each state’s branding regulations. On this podcast, AABP Executive Director Dr. Fred Gingrich is joined by members of the working group including Dr. Tiffany Lee, Dr. Renee Dewell, Dr. Gaby Maier, and Dr. Dave Sjeklocha, to discuss the working group’s findings and the resources they developed. This working group is a great example of AABP addressing a topic discussed by a committee and a dedicated group of volunteers developing and providing relevant scientific resources for our members. You can find the summary of the working group's findings at https://bit.ly/2D4lY2y and a spreadsheet of state regulations located on the AABP Animal Welfare Committee page at https://bit.ly/31sxsWY. AABP encourages members to review these resources and provide them to clients as they work through the decision process on branding for their cattle.  
In this episode, Dr. Fred Gingrich discusses with 2020 AABP Preconference Seminar Chair Dr. Pat Gorden the preconference seminars that will be offered at the 53rd AABP Annual Conference in Louisville, Ky. Seminars will be held Sunday, September 20 through Wednesday, September 23. What are preconference seminars? What topics will be offered this year? We provide a brief description of each seminar and the content that will be taught by the expert faculty members. All seminars are RACE approved for eight hours of continuing education per day. Seminars will offer you skills that you can immediately incorporate into your practice in a small group format. We discuss seminars that we have taken as AABP members and how they impacted our veterinary practice careers.  To view our schedule of seminars, visit  https://bit.ly/2Qb0kwn. To register for seminars, in-person or virtual conference attendance, visit https://aabp.org/meeting/reg.asp. #aabp2020  
In this episode, AABP President Dr. Calvin Booker and AABP President Elect and program chair Dr. Carie Telgen discuss the 53rd AABP Annual Conference. We discuss the conference theme of Believe. Engage. Connect and why this theme was chosen as well as how it fits into the current state of the COVID-19 pandemic. Dr. Booker discusses how the AABP Board of Directors evaluated the situation and arrived at the conclusion to have a hybrid conference where there will be an in-person option as well as a live stream of sessions for virtual attendance. Dr. Telgen discusses some conference highlights, including the keynote address from Amy te Plate Church from Look East. Information about Look East can be found at https://bit.ly/341O5dS and her advocacy for agriculture. Dr. Gingrich discusses conference logistics, including safety measures that will be implemented for in-person attendees and how the virtual conference live streams will be managed. To register (in-person or virtual) for the annual conference go to https://aabp.org/meeting/reg.asp. Conference schedule of events can be found at https://aabp.org/meeting/conference.asp. The link to the virtual conference (currently under construction), including Amstutz Auction portal, draft proceedings, streams for the entire membership and virtual conference login for registrants can be found at https://bit.ly/2Y47Mhj. Join us in Louisville, either in-person or virtually, from September 24-26, 2020 to support AABP this year!  
Dr. Linda Ellis from the AVMA Professional Liability Insurance Trust (PLIT) discusses the many types of insurance packages the AVMA PLIT offers as an AVMA member benefit. Hosting student externs is a valuable experience for both veterinarians and students. In this episode, we discuss safety precautions that students and veterinarians should take, evaluating your insurance types and amounts of coverage and the pros and cons of liability or release waivers. Learn what the difference is between professional liability and injury liability and how it affects your practice. Find resources from the AVMA PLIT at https://bit.ly/2XvAG9O. Visit the AABP externship site to post your externship (practice owners) or search for externship opportunities at https://bit.ly/2Xy2EBF. For resources from the AVMA PLIT on mitigating your risk from hosting volunteers, visit the AABP Membership Committee page and find the document at https://bit.ly/31khddj. 
Dr. Gabe Middleton, chair of the AABP Membership Committee, joins AABP members Dr. Lindley Reilly and Dr. Kendra wells to discuss mentorship. We discuss our definitions of mentorship, opening lines of communication with your mentee, and finding more than one mentor to fill the various aspect of your growing professional and personal life. Listen to each of us talk about who we have as mentors and how they have guided and shaped our careers. Our group also discusses mental health and well-being, taking care of each other, and how to intervene if you see a colleague who is struggling with mental health. Use the AVMA resources on well-being found at https://bit.ly/2PpDmBt. You can also find training for suicide prevention using the QPR (“Question, Persuade, Refer”) tools found at https://bit.ly/3fvQkIm. We encourage AABP members to sign up to be a mentor, or if you are a recent grad looking for a mentor, you can sign up to be matched by the Membership Committee. Go to https://bit.ly/3fp6UcU to find more information about the AABP Mentorship Program.
In this episode, Dr. Fred Gingrich talks with AABP member Dr. Marissa Hake about her advocacy for the veal industry and her experiences on social media. She discusses how to be safe on social media as well as giving recommendations for being authentic to show clients and the public the truth about food animal medicine and the food animal industry. She also discusses her experiences as a woman in both agriculture and veterinary medicine, and reveals she planned to be an equine veterinarian, but life takes us on a different path sometimes! Follow Dr. Hake on social media @calfvet and look for her merchandise by visiting https://bit.ly/3f4Hz80  “If you are excited about something, let others know about it.” – Dr. Marissa Hake
What is sustainability? What is the environmental impact of beef and dairy production in the US? What are the drivers of climate change? Dr. Sara Place is the Chief Sustainability Officer at Elanco Animal Health. Today we discuss greenhouse gas emissions (GHG), how cattle are a solution to providing a sustainable food source for humans, and why the Food and Agriculture Organization’s report on GHG production attributable to the beef and dairy industry is flawed. Cattle are the ultimate answer to sustainability by harnessing energy from the sun, utilizing human indigestible plants, and turning it into high quality digestible human protein.  For more information, tune in to the AABP webinar with Dr. Place on this topic on July 28th. AABP webinar schedule can be found at this link. Find out more about Dr. Place here. 
The swine industry has many commonalities with the cattle industry. Dr. Harry Snelson is the Executive Director of the American Association of Swine Veterinarians (AASV). In this episode we learn about the AASV organization and discuss its initiatives and benefits. We also discuss African Swine Fever and its potential impacts on the swine industry as well as how the COVID-19 pandemic caused market disruptions. Dr. Snelson also discusses depopulation issues including the use of ventilation shutdown plus. We also share our favorite beef and pork dishes and decided a bacon wrapped filet is the perfect meal combination! To learn more about AASV go to https://www.aasv.org/. Information about the Journal of Swine Health and Production (JSHAP)  can be found here. To read about “Hardy” and the Customs and Border Patrol Beagle Brigade go to this link. Don’t forget to like AASV on Facebook and to cook your pork to 145!  
In this episode, Dr. Fred Gingrich discusses the issues associated with antehelmintic resistance in beef cattle with Dr. Christine Navarre. What are the risk factors for resistance? What is refugia and how can we select animals for treatment to minimize the risk of resistance? What is a strategic deworming protocol? How can we monitor success? If you are in cow-calf practice, this episode should be recommended to your clients so they can learn how to best utilize the expertise of their veterinarian in developing appropriate deworming protocols and total herd management programs. For more information, AABP members can listen to the presentation from the 2019 St. Louis conference from Dr. Navarre titled "New Era of Parasite Control." The proceedings paper from this talk is also an excellent resource and is available open-access at this link. 
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