North Carolina State University

baby chicks

Comparative Nutrition

Distance Education Section


Jim Croom, Ph.D., FACN

Professor of Comparative Nutrition and Physiology

Department of Poultry Science

About Jim Croom

  • 31 years teaching/research experince
  • Fellow American College of Nutrition
  • Authored or Coauthored 90+ peer-reviewed scientifc papers and book chapters
  • Coinventor 6 drug patents
  • Professional Affiliations
    • American College of Nutrition (website)
    • Comparative Nutrition Society (website)

New Course Features

  • Dr. Croom can now be contacted also by AIM and Yahoo Messenger
    -Yahoo: jcroom81
  • ANS/NTR/PO 415 and Dr. Croom now on Facebook!
    (facebook link)
  • Follow Dr. Croom on Twitter!
    (twitter link)
  • Live Virtual Review Sessions
  • MP4 video podcasts


The study of how nutrients are digested and metabolized across a wide variety of species including man. An understanding of how nutrients are assimilated by various species allows us to extrapolate our understanding of those animals that have been well studied, to those of which we have a poor understanding of their nutritional needs.

Click here to watch an informational video about the course.

This course is taught directly by experienced
senior faculty, not by TA's.

This course satisfies the nutrition requirement for entrance into the College of Veterinary Medicine for the following universities:

  • NC State University
  • Oregon State University
  • Auburn University
  • University of Florida

Course Prerequisites

Register for this class

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What Will You Learn In This Course?

  1. The structure, function and regulation of the gastrointestinal tract
  2. How nutrients are turned into energy for use by animals and humans
  3. How animals adapt to use energy in different ways in health and disease
  4. The stucture, digestion, absorption of the major energy yielding nutrients in animals and humans
  5. The structure, digestion, absorption, function, deficiency symptoms and toxicity symptoms of vitamins in animals and humans
  6. Clinical examples of the role of all classes of nutrients in malnutrition and other diseased states in animals and humans

How is the Course Information Presented And Tested?

  1. Highly illustrated and printable Flash files from Power Point slide lectures
  2. Short easy to understand videos
  3. Casual computer to computer voice communication with the instructor using the free online program Skype
  4. Online testing in a multiple choice format at a place of your choosing (subject to approval by the NCSU proctoring service). Grading is instant, no waiting!