SPRING 2009

Tu & Th

Instructor: Joe Hogan

5-3801

COURSE DESCRIPTION: Introduction to mammary gland anatomy, milk synthesis, and factors affecting mammary health.

PURPOSE: Provide students with an introduction to comparative mammary physiology and detail management practices that effect mammary development, milk production and incidence of mastitis in dairy cows.

OBJECTIVES: Specific objectives for each student to accomplish include:

1. Identify anatomical parts of the bovine udder and comparative anatomy of other species.
2. Visualize and describe cytological aspects of the mammary cells and milk secretion.
3. Understand basic elements of the biosynthesis of milk components.
4. Describe and demonstrate process of mechanical milking.
5. Appreciate the impact of mastitis on the dairy industry and what host defense mechanisms may aid in protection.
6. Understand practical aspects of mastitis control.

TEXT:

No text will be required.

HANDOUTS:

In addition to lecture notes, students will be responsible for material in handouts given in class.

READING LIST:

1. Biology of Lactation. 1971. G.H. Schmidt, W.H. Freeman & Co.
2. The Physiology of Lactation. 1971. Cowie & Tindal, Williams & Wilkins Co.
3. Lactation: A complete Treatise, 1974 & 1978. Vol. I-IV. Eds. B.L. Larson and V.R. Smith, Academic Press.
4. Machine Milking and Lactation. 1992. Eds. Bramley et al., Queen City Printers, Burlington VT
5. Lactation and the Mammary Gland. 2002. R.M. Ackers, Iowa State Press, Ames, IA

LABS: One laboratory session is scheduled during regular class periods on the following topics.

1. Mastitis - Sample collection, bacteriology, and somatic cell counts.
2. Milking systems - Identification of components

Tentative Schedule of Exams:

• EXAM I April 16
• EXAM II May 12
• EXAM III June 4
  

Attendance Policy

No make-up quizzes will be given. Quizzes missed due to university excused absence will not be tallied in the final grade. Make-up exams will be at the discretion of the instructor.

Evaluation

Exams and quizzes will include multiple choice, matching, definitions, and essay questions. Final grades will be determined as outlined below:

50% - Two hourly exams
25% - Quizzes, Homework and Labs
25% - Final Exam