Petfood Forum Guide - 2019 - 15

See the separate Schedule of Events and Floor Plan brochure for times for the
student paper oral presentations.

the host. Most pet food manufacturing processes
have been intentionally designed to destroy
microorganisms (pathogens and spoilage bacteria)
to ensure food safety and prolong shelf-life. This is
highly counterproductive to probiotic strains which
must survive in order to benefit the animal. In this
review, Heather L. Acuff will discuss commercial
probiotic application strategies and their associated
challenges, as well as summarize the effects foodbased probiotic delivery systems have on gastrointestinal and immune system
function in dogs and cats.
Acuff is a first-year Ph.D. student under the supervision of Greg Aldrich, Ph.D., in
the Pet Food Program within the Department of Grain Science & Industry at Kansas
State University in Manhattan, Kansas. Her previous education includes a bachelor's
degree in animal science (pre-veterinary medicine) and an master's degree in agriculture (animal science: monogastric nutrition) from California Polytechnic University.
11:05-11:15 a.m. Starch characterization of commercial pet foods
The largest proportion of dog and cat foods are produced through extrusion
processing. These diets are usually formulated with
significant amounts of starch ingredients which
confer binding, expansion and texture to kibbles.
Nutritionally, starch provides energy in the form
of glucose and its digestion is directly related to
degree of cooking. Since starch is not an essential
nutrient for dogs and cats, its concentration is not
required for the label and is commonly estimated
by calculation (nitrogen free extract; NFE) from
proximate constituents with no detail regarding its nutritional impact. Specifically,
highly gelatinized starches contain more rapidly digested starch (RDS) which may
promote high blood glucose/insulin peaks with metabolic implications. Conversely, less cooked starches are resistant to digestion (RS) and may lower the rate of
glucose absorption and improve colonic ecology.
Therefore, the objective of Isabella Corsato Alvarenga's work was to characterize
commercial products regarding their starch qualities. The hypotheses were that: 1)
total starch (by analysis) would be lower than calculated NFE, 2) grain-free diets
would contain slightly higher RS than grain based diets and 3) Extruded diets would
generally be low in RS because they go through high thermo-mechanical processing.
The general conclusion from this work is that resistant starch in commercial
products is below a level that would be necessary to exert health benefits, and
this provides a framework from which to focus our understanding of where starch
processing might provide improvements to health and nutrition in future products.
Alvarenga has her DVM from São Paulo University (USP) in Brazil, and has also
completed her master's degree in grain science and industry at Kansas State
University in the laboratory of Greg Aldrich, Ph.D. She is currently a Ph.D. student

Industry

in this same lab and plans to explore in more depth the effects of processing on
the physiological utilization of various starches. She plans to pursue a career in
companion animal nutrition and pet food processing research at the completion of
her doctoral degree.

ABOUT THE STUDENT PROGRAM
The Student Program is a growing and important
part of the conference, as it allows Petfood Forum
to serve as a bridge between current industry
members (and potential hiring managers) and those
being educated and looking to enter the industry
once they begin their careers. Forum strives to
provide places and opportunities for students and
industry to meet both formally and informally, as
well as to encourage students to consider the pet
food industry as a viable career path.
The student competition, which is part of the oral
and poster abstract presentations, seeks to reward
students conducting research in companion animal
nutrition and related industry topics. One oral
presenter and one poster presenter each will win a
cash prize ($500 for oral, $300 for poster) based
on the scoring results and recommendations of
a panel of industry-expert judges who will sit in
on the two days of presentations. Awards will be
presented at 1:30 p.m. on May 1 in Exhibit Hall
D-E at the Kansas City Convention Center.
Thank you to those who provided their expertise in
reviewing the submitted abstracts for this year's
Petfood Forum Student Program:
Greg Aldrich, Ph.D., research associate professor,
Kansas State University
Jeff Burnett, director of quality and compliance,
Ameri-Pac
Craig Coon, Ph.D., poultry nutritionist,
University of Arkansas
Jason Pintuff, director of process engineering,
Bühler Aeroglide
Shiguang Yu, Ph.D., senior global technical
manager, pet nutrition, DSM Nutritional Products

2019 Petfood Forum

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Petfood Forum Guide - 2019

Table of Contents for the Digital Edition of Petfood Forum Guide - 2019

Petfood Forum Guide - 2019
Topics and speakers
Student research abstracts
Exhibitor profiles
Sponsors
Corporate profiles
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