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AFNS 561 (Fall 2014)
Ruminant Digestion, Metabolism, and Nutrition
Description: Integration of theory and practical concepts in ruminant nutrition, digestion and metabolism through topics such as energy flow in ruminants, protein systems and net feed efficiency. Laboratories will involve formulation of rations for various physiological states of beef and dairy cattle, economical rations, feed mixes, protein systems (degradable and undegradable protein systems) and net feed efficiency formulations. Prerequisite: ANSC 260 or *3 NUTR. Co-requisite:
ANSC 311.
Instructors: Masahito Oba, Ph.D., Professor (course coordinator) Room 4-10J AG/FOR Centre
Phone: 492-7007; e-mail: [email protected] Erasmus Okine, Ph.D., Professor
Room 4-10K AG/FOR Centre
Phone: 492-2131; e-mail: [email protected]
Teaching Assistants: Santiago Espinoza: [email protected] Jennifer Haisan: [email protected] (Primarily for beef nutrition labs)
Lectures: 12:30 – 13:50 PM on Tuesday and Thursday (GSB 511)
Laboratories: 14:00 – 16:50 PM on Thursday (DRTC, GSB 559, or GSB 217)
Course Objectives: 1. To increase knowledge and understanding of Ruminant Nutrition, Digestive Physiology and Metabolism
2. To develop expertise in ruminant nutrition through ration formulation for specific physiological conditions for both beef and dairy cattle
3. To practice communication and investigative skills using real case studies
4. To ensure that students learn to team up
2 Required Textbook: None
Supplemental Reading: Duke's Physiology of Domestic Animals, 12th. Edited by M. Swenson and W. Reece, Cornell University Press, 2004.
The Ruminant Animal Digestive Physiology and Nutrition. Edited by D.C. Church, Waveland Press, Inc. 1993.
Nutrient Requirements of Dairy Cattle. 7 rev. ed. National Research Council, 2001.
Nutrient Requirements of Beef Cattle. 7 rev. ed. National Research Council, 2000.
Animal Nutrition’ P. McDonald, R.A Edwards and J.F.D. Greenhalgh, 1996.
Course Policy: Attendance is required for all lectures and laboratories.
Course materials including lecture notes will be posted on eClass.
Makeup exams will be given only for excused absences and at the discretion of the instructor, and need to be arranged prior to the scheduled exam time.
Lab reports are due at the beginning of the labs. Late assignments will lose 20% of mark per day.
Letter grades will be assigned to the final distribution of total marks.
Allocation of Marks: Exam 1 25%
Exam 2 25%
Exam 3 25%
Lab 20%
Presentation 5%
* Additional assignments and different exams will be given to the AFNS 561 students to meet greater expectation for graduate-level work.
3 Lecture and Laboratory Schedule
Lecture Topics Lab Topics
Sept 4 Introduction / Feeding byproducts to ruminants Sept 9 Feeding grain to ruminants
Sept 11 Anatomy of ruminants Lab 1: Rumen anatomy (DRTC)
Sept 16 Feeding forage to ruminants
Sept 18 Feed quality evaluation Lab 2: Feedstuff ID (GSB 559) Sept 23 Digestive physiology of ruminants
Sept 25 Rumen development Oral presentation (GSB 559)
Sept 30 Nutrient metabolism of ruminants
Oct 2 Rumen pH regulation Lab 3: Rumen pH (GSB 559)
Oct 7 Exam 1 (25%)
Oct 9 Energy systems for beef cattle Lab 4: Cowbytes 1 (GSB 217) Oct 14 Energy / protein systems for beef cattle
Oct 16 Lab 5: Field trip to a feedlot
Oct 21 Protein systems for beef cattle
Oct 23 Minerals and vitamins Lab 6: Cowbytes 2 (GSB 217)
Oct 28 Rumen metabolism - Dismutation
Oct 30 Rumen Malfunction Lab 7: Cowbytes 3 (GSB 217)
Nov 4 Ionophores/Implants/Nitrates
Nov 6 Exam 2 (25%) No lab
Nov 11 No class
Nov 13 Dairy: general energy metabolism Lab 8: NRC Dairy 1 (GSB 217) Nov 18 Dairy: CHO and fat metabolism
Nov 20 Dairy: protein metabolism Lab 9: NRC Dairy 2 (GSB 217) Nov 25 Practical concerns for diet formulations
Nov 27 Practical concerns for diet formulations Lab 10: NRC Dairy 3 (GSB 217) Dec 2 Practical concerns for diet formulations
Dec 11 Exam 3 (25%)
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Code of Behavior: All students are expected to familiarize themselves “Code of Student Behavior” at:
http://www.governance.ualberta.ca/en/CodesofConductandResidenceC ommunityStandards/CodeofStudentBehaviour.aspx.
30.3.2 Inappropriate Academic Behavior
30.3.2(1) Plagiarism: No Student shall submit the words, ideas, images or data of another person as the Student’s own in any academic writing, essay, thesis, project, assignment, presentation or poster in a course or program of study.
30.3.2(2) Cheating
30.3.2(2) a No Student shall in the course of an examination or other similar activity, obtain or attempt to obtain information from another Student or other unauthorized source, give or attempt to give
information to another Student, or use, attempt to use or possess for the purposes of use any unauthorized material.
30.3.2(2) b No Student shall represent or attempt to represent him or herself as another or have or attempt to have himself or herself
represented by another in the taking of an examination, preparation of a paper or other similar activity.
30.3.2(2) c No Student shall represent another’s substantial editorial or compositional assistance on an assignment as the Student’s own work.
30.3.2(2) d No Student shall submit in any course or program of study, without the written approval of the course Instructor, all or a
substantial portion of any academic writing, essay, thesis, research report, project, assignment, presentation or poster for which credit has previously been obtained by the Student or which has been or is being submitted by the Student in another course or program of study in the University or elsewhere.
30.3.2(2) e No Student shall submit in any course or program of study any academic writing, essay, thesis, report, project, assignment, presentation or poster containing a statement of fact known by the Student to be false or a reference to a source the Student knows to contain fabricated claims (unless acknowledged by the Student), or a fabricated reference to a source.
