Thank you for another great year ~ Celebrating 15 years!!!

We have built our company on exemplary support. We strive to ensure you have the information, tools, and personal contact you need to allow you to do your job, no matter when and where that may be. Our support includes: video tutorials, informational postings, webinars, and availability of our entire staff to answer your questions. For more information about our On-the-Mark support, please go here.

The Nutritionist 2021

Each hour session is held on the second Thursday of the month at 9:00 AM and 5:00 PM EST, during February, March, November, and December and 9:00 AM and 6:00 PM EDT, April through October. A link to the complete recording of each seminar will later be posted here. Pre-registration is required. For more information and registration, contact

The webinars are transmitted globally in multiple languages. Mariann Fessenden from AMTS is the host and producer. A Spanish language webinar is hosted by Paula Turiello of Ifina in Argentina, Marcelo Hentz Ramos of 3RLab in Brazil hosts in Portuguese, Marcos Neves Pereira of Universidade Federal de Lavras  submits questions from the Brazilian audience, Mandarin translations and hosting in China is with Shawn Li of AnSciTech, Vadim Bakhchevnikov of Novalab hosts for the Russian audience, and Elena Bonfante of Dairy Innovations Italia joins from Italy.

Sponsors for The Nutritionist 2019 educational webinars

This educational series would not be possible without the support our generous sponsors. We hope you will look to them when you have nutritional needs.

Our Gold Sponsors are: Arm & Hammer Animal and Food ProductionThe Canola Council of CanadaIdenaProtekta

Silver Sponsors are: Ajinomoto HeartlandVirtus, and DairyLand Laboratories, Inc,  Dairy One Forage LaboratoriesAdisseo, Micronutrients

Bronze Sponsors are:  Perdue AgriBusinessAminoMax, Origination, Inc., PhileoMilc Group, and Balchem


2021 Webinars

March 11 2021 9:00 AM and 5:00 PM EST

Dr Phil Cardoso, University of Illinois, USA

The Transition Cow on the Farm 

With his focus on transition cow issues, Dr Cardoso from the University of Illinois will take us on farms and look at issues related the transition period.


March 18 2021 8:00 AM EDT

Massoud Aoun, Director, Idena, France

Lamb Fattening in Europe, Between Tradition and Industry

One of the formost experts in the field of small ruminant nutrition, Dr Aoun, will look at growing lambs in systems common to Europe. His focus will be with the most common breeds and examine animal needs and formulation in suckling lamb and intensive production systems.


April 8 2021 9:00 AM and 6:00 PM EDT

Dr Marcelo Hentz Ramos, Director 3Rlab, Brazil

A look at Dairies in Brazil

Dr Ramos was one of the first distributors for AMTS and was the spark for this Nutritionist series. He will take us on a tour of Brazilian dairies with a discussion of special challenges to profitability in his region. 


April 15 2021 8:00 AM EDT

Dr Philippe Hassoun, INRAE, France

Dairy Sheep Nutrition, Systems and Formulation Using the French System

Dr Hassoun offers his guidance and advice in formulating dairy sheep diets based on performance expectations and production systems common in France. His research has focused on updating existing information on dairy sheep requirements in the INRAE system and developing a robust feed information website.


May 13 2021 9:00 AM and 6:00 PM EDT

Dr. Vadim Bakhchevnikov, Director NovaLab, Russia

Farm Tours of Russian Dairies and Beaver Creek Farm, USA

Vadim Bakhchevnikov wears many hats! He is our distributor for Russia where he manages NovaLab, a Cumberland Valley Lab affiliate. In ordinary time, Vadim splits his time between Russia and the US where he manages Beaver Creek Farms, a 8000 cow dairy in Michigan, USA. We can look forward to tours of both Russian Dairies and Beaver Creek in his talk.


May 9 2021 9:00 AM and 6:00 PM EDT

John Winchell, Alltech USA

Strategies for feeding sheep using the AMTS Small Ruminants Model

John Winchell, an experienced nutritionist who now serves as territory manager for Alltech, will share his strategies for formulation in the sheep herds he works with. A long-time AMTS user for dairy cattle formulation, John has been increasingly working with dairy sheep herds. John is going to wrap up our sheep unit and bring home some of the advisement from our earlier speakers into applied ration building.


June 10 2021 9:00 AM and 6:00 PM EDT

Dr Rick Grant, Director, Wm H Miner Institute, USA

Cow comfort and animal behavior in the barn

This will be the third talk from Rick in our Nutritionist series. His research and focus at the Miner Institute is practically bent and of much use to the on farm nutritionist. We get to go to the farm and see how behaviors will affect production.


July 11 2021 9:00 AM and 6:00 PM EDT

Dr Sotirios Karvountzis, Director, MENDIP Veterinary Services, UK 

Cow-side discussions of Nutritional considerations to maintain best cow health

Dr Karvountzis is a tremendous teacher in his paractice in UK and reaches a worldwide audience from his educational LinkedIn posts. Sotirios does so many things we wonder if he sleeps. His professional time is split between Cow Signals Training, parlor testing, insemination training, veterinary endocopy training, hooftrimming courses, to name a few. He is fortunate to hold a helicopter commercial piolot licnese should he need to get to work quickly! 


August 12 2021 9:00 AM and 6:00 PM EDT

Drs Elena Bonfante and William Prokop, Dairy Innovations, LLC, Italy and USA

Dairy Nutrition Troubleshooting in Italy and USA

Dr Elena Bonfante, AMTS Distributor in Italy and Dr Bill Prokop, a noted US veterinarian/nutritionist have partnered to form Dairy Innovations, LLC, a nutritional consultancy opperating primarily in the US, Italy and parts of Europe. Long-time attendees of The Nutritionist will remember Bill’s Diet Forensics presentation in 2016 for its practical nutritional advice.


September 9 2021 9:00 AM and 6:00 PM EDT

Dr Heinri Spangenberg, Director, Westside Consultancy, South Africa

Fractionated or Precision Feeding of Dairy Cattle

Dr Spangenberg has long worked as an academic and commercial nutritionist in South Africa. In his talk he will focus on using common sense in feeding the individual cow and how that is expanded to conside whole farm nutritional management.


October 14 2021 9:00 AM and 6:00 PM EDT

Daniel Scothorn, Lead Nutritionist Scothorn Nutrition, Canada

How do you look at your Herd’s performance?

Daniel Scothorn, through his LinkedIn posts, is a superb teacher for other nutritionists. in his hugely popular Canola Council of Canada webinar last year, Daniel set a new record for attendee questions. His talk will be a great chance for us to see what he looks for when he walks the cows on his farms.


November 11 2021 9:00 AM and 5:00 PM EST

Dr Tom Tylutki, President & CEO, AMTS, LLC, USA

Farm Tour Follow-up: Digging Deeper, Part 2

He’s Back. We are asking Tom to present again as this webinar season of  farm tours winds down. We have one more to go but we thought it good to have Tom bookend our talks with his thoughts and approaches to dairy nutrition for maximum profitability with focuses on cow comfort, health, and feed utilization.


December 9 2021 9:00 AM and 5:00 PM EST

Dr Sam Fessenden, AMTS, LLC and partner, Silver Spirit Farm, USA 

Robot Start-up Experiences and Precision Feeding

Sam Fessenden will finalize our year of Farm Tours offering insights on nutritional management in a robot dairy based on his personal experience in a green robot start-up as well as through consulting on other robot dairies. Sam continues to serve as a consultant for AMTS with his intimate knowledge of the CNCPS model, as he has demonstrated in his past webinars in 2017 and 2019. Let’s see how cold it is in Minnesota in December.


Archived Recordings of Completed Webinars

The series is a unique, multi-language presentation held in English, Portuguese, Russian, Mandarin, and Spanish.

Noted ruminant nutritionists present in English hosted by Mariann Fessenden of AMTS in the United States; Marcelo Hentz Ramos hosts a simultaneously translated webinar in Portuguese, Shawn Li hosts in Mandarin, Vadim Bakhchevnikov hosts in Russia, Elena Bonfante in Italy, and Paula Turiello hosts a Spanish language webinar.

The purpose of these webinars is to provide access to technical seminars on a range of topics delivered by internationally recognized speakers to a global audience.

Key Points About the Nutritionist


The presentations are delivered in English on Zoom webinar platform and approximately 60 minutes in length.


The Spanish, Mandarin, Portuguese, and Russian language webinars are simultaneously translated and transmitted on other platforms.


Questions are fielded from English language listeners as well as form listeners in Argentina, Brazil, Russia, China, and Italy. The flow of the talk is not interrupted for translation.


The audience is global. To better accommodate listeners in all time zones, the recorded webinar is played with live question opportunities offered in both morning and night sessions on the webinar day.


Archived recordings of past webinars are available for on our website. Recordings are also available as podcasts.


All webinars and recordings have received CEU credit approval from ARPAS

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