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Lactation Biology
  • Level Foundation
  • المدة 40 ساعات hours
  • الطبع بواسطة University of Illinois Urbana-Champaign
  • Offered by

عن

Lactation and especially milk, which is the product of that unique mammalian process, are routinely encountered within our daily lives. Nevertheless, they often are poorly understood by many, even including many who are engaged in the business of producing milk. The overall course goal is to introduce fundamental concepts that form the basis for understanding the biology of lactation, the biology of the mammary gland, and the products of that important physiological process. As a learner in this course, you will be provided with a series of easily understood presentations that collectively will help you build a foundation for greater understanding of lactation. You will be able to engage with other learners so that you can extend your learning beyond the video presentations. Ultimately, you will be able to construct your own mental model for understanding the wide range of topics that relate to the biology of lactation. Upon completion of the course, you will be prepared to expand your knowledge and understanding of lactation from other sources and experiences as you pursue your individual interests. Before you start the course, I suggest that you identify a question or several questions about lactation that you already have on your mind. This could be from your own experiences, something you read about or saw, or something you have wondered about. Write down your question(s) and use that to help you decide how to engage with the content of this course. You might engage with the modules in the order they are presented, or start with a module that is of particular interest to you, or pick and choose modules in any order. I encourage you to engage in all of the types of learning activities that this course has to offer, including but not limited to, the discussion forums, quizzes, peer-review assignments, and concept maps and other learning aids.

الوحدات

About the Course

    • 2 Videos
    • 2 Readings
    • 1 Assignment
Show info about module content

1 Assignment

  • Orientation Quiz

2 Videos

  • Introduction to Lactation Biology
  • Lactation Word Cloud

2 Readings

  • Course Syllabus
  • About the Discussion Forums

About Your Classmates

    • 2 Readings
    • 1 Discussion
    • 1 Assignment
Show info about module content

1 Assignment

  • Demographics Survey

1 Discussions

  • Getting to Know Your Classmates

2 Readings

  • Social Media
  • Updating Your Profile

Study-Aid Activities (Non-graded)

    • 1 Readings
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1 Readings

  • Study Aid Activities Overview

Module 1 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 1 Overview

Study-Aid Activity

    • 1 Readings
Show info about module content

1 Readings

  • Optional: Study Aids

Lesson 1-1: Definitions

    • 2 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 1-1 Quiz

2 Videos

  • Definitions Part 1
  • Definitions Part 2

Lesson 1-2: Milk

    • 3 Videos
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3 Videos

  • An Overview of Milk
  • How Much Milk?
  • Milk Products

Lesson 1-3: Mammals

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 1-3 Quiz

3 Videos

  • Mammals
  • Mammalian Evolution
  • Why Lactate?

Module 2 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 2 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aids

Lesson 2-1: Mammary Gland Macrostructure

    • 4 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 2-1 Quiz

4 Videos

  • Mammary Gland as a Skin Gland
  • Mammary Lobes
  • Simple vs Complex Glands
  • Mammary Anatomy at the Cow Side

Lesson 2-2: Bovine Mammary Structure

    • 7 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 2-2 Quiz

7 Videos

  • Mammary Suspensory System
  • Median Suspensory Ligament
  • Structure of Teats and Cisterns
  • Supernumerary Teats
  • Mammary Blood System
  • Mammary Lymph System
  • Mammary Nervous System

Lesson 2-3: Mammary Gland Microstructure

    • 4 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 2-3 Quiz

4 Videos

  • Introduction to Mammary Microstructure
  • Microstructure - 2D and 3D
  • Lobules
  • More on Lobules

Lesson 2-4: Alveoli & Cells

    • 4 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 2-4 Quiz

4 Videos

  • Alveoli and Their Environment
  • Myoepithelial Cells
  • Mammary Cell Ultrastructure Part 1
  • Mammary Cell Ultrastructure Part 2

Week 1 Graded Activities

    • 1 Assignment
Show info about module content

1 Assignment

  • Week 1 Quiz

Module 3 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 3 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aid

Lesson 3-1: Introduction to Milk Components

    • 6 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 3-1 Quiz

6 Videos

  • Milk Components
  • Milk Components Demo
  • Perspectives on Milk Composition
  • Milk Under the Microscope
  • Major Milk Fractions
  • From Cow to Store

Lesson 3-2: Milk Water, Total Solids & Lactose

    • 4 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 3-2 Quiz

4 Videos

  • Total Solids
  • Lactose
  • Lactose Intolerance
  • Lactose Synthesis

Lesson 3-3: Milk Proteins

    • 5 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 3-3 Quiz

5 Videos

  • Milk Protein
  • Casein
  • Casein Demo
  • Whey Proteins
  • Milk Protein Synthesis

Lesson 3-4: Milk Fat

    • 4 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 3-4 Quiz

4 Videos

  • Milk Fat
  • Fatty Acids
  • Milk Fat - Species Comparisons
  • Milk Fat Synthesis

Lesson 3-5: Other Milk Components

    • 5 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 3-5 Quiz

5 Videos

  • Milk Minerals
  • Milk Vitamins
  • Cells in Milk
  • More on Milk Cells
  • Milk Bioactive Factors

Lesson 3-6: Species Comparisons

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 3-6 Quiz

3 Videos

  • Species Comparisons of Milk
  • Cow vs. Human Milk Composition
  • Wrapping Up Milk Composition

Week 2 Graded Activities

    • 1 Assignment
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1 Assignment

  • Week 2 Quiz

Module 4 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 4 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aid

Discussions

    • 2 Discussion
Show info about module content

2 Discussions

  • Discussion 1: Compare biological milk vs plant-based milk
  • Discussion 2: Discuss the value of milk

Lesson 4-1: Fetal Development

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 4-1 Quiz

3 Videos

  • Fetal Stage - 1
  • Fetal Stage - 2
  • Fetal Stage - 3

Lesson 4-2: Pre- & Post- Pubertal Development

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 4-2 Quiz

3 Videos

  • Prepubertal Stage - 1
  • Prepubertal Stage - 2
  • Postpubertal Stage

Lesson 4-3: Development During Pregnancy & Lactation

    • 4 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 4-3 Quiz

4 Videos

  • Development During Pregnancy - 1
  • Development During Pregnancy - 2
  • Development During Pregnancy - 3
  • Lactation

Lesson 4-4: Mammary Development on the Farm

    • 1 Videos
Show info about module content

1 Videos

  • Bovine Mammary Development

Week 3 Graded Activities

    • 1 Assignment
Show info about module content

1 Assignment

  • Week 3 Quiz

Module 5 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 5 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aid

Lesson 5-1: Introduction

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 5-1 Quiz

3 Videos

  • Peripartum Period
  • A Cow Calving
  • The Neonate

Lesson 5-2: Lactogenesis

    • 5 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 5-2 Quiz

5 Videos

  • Lactogenesis & Its Stages
  • Secretory Differentiation
  • Secretory Activation & Lactose Synthesis
  • Hormonal Regulation
  • Comparative Hormonal Regulation

Lesson 5-3: Prolactin

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 5-3 Quiz

3 Videos

  • Prolactin - Sources
  • Prolactin - Control of Secretion
  • Prolactin - Other Regulation

Lesson 5-4: Colostrum

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 5-4 Quiz

3 Videos

  • Colostrum Composition
  • Immunoglobulins in Colostrum
  • Colostrum & the Neonate

Lesson 5-5: Immunoglobulin Transport

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 5-5 Quiz

3 Videos

  • Immunoglobulin Receptor
  • Mammary Transport of Immunoglobulin
  • Immunoglobulin Transport to the Neonate

Week 4 Graded Activities

    • 1 PeerReview
    • 1 Assignment
Show info about module content

1 Assignment

  • Week 4 Quiz

1 Peer Review

  • Share a Milking Example

Module 6 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 6 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aid

Discussion

    • 1 Discussion
Show info about module content

1 Discussions

  • Discussion: Cross-species nursing

Lesson 6-1: Galactopoeisis

    • 5 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 6-1 Quiz

5 Videos

  • Introduction & Definitions
  • Systemic vs Local Regulation
  • Galactogogues
  • Prolactin
  • Measurement of Milk Production

Lesson 6-2: Hormonal Regulation

    • 6 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 6-2 Quiz

6 Videos

  • Prolactin - Nonruminants
  • Prolactin - Ruminants 1
  • Prolactin - Ruminants 2
  • Growth Hormone - Cows
  • Growth Hormone - Rats
  • Other Hormones

Lesson 6-3: Milk Removal

    • 6 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 6-3 Quiz

6 Videos

  • Feedback Inhibition of Milk Secretion
  • Frequency of Milk Removal
  • Cisternal vs Alveolar Milk Pools
  • Frequency of Milk Removal - Cows
  • Determinants of Milk Yield
  • Intensity of Milk Removal

Lesson 6-4: Mammary Involution

    • 6 Videos
    • 1 Assignment
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1 Assignment

  • Lesson 6-4 Quiz

6 Videos

  • Milk Stasis
  • Mammary Secretions During Involution
  • Mammary Tissue During Involution
  • Dry Period
  • Persistency & Relactation
  • Mammary Involution - Sows

Lesson 6-5: More Lactation

    • 4 Videos
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4 Videos

  • Compensatory Milk Production
  • Lactational History - Cows
  • Lactational History - Sows
  • Lactational History - Rats

Week 5 Graded Activities

    • 1 Assignment
Show info about module content

1 Assignment

  • Week 5 Quiz

Module 7 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 7 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aid

Lesson 7-1: A Neuroendocrine Reflex

    • 6 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 7-1 Quiz

6 Videos

  • Introduction
  • Neuroendocrine Reflex
  • Timing of Milk Ejection
  • Rise in Intramammary Pressure
  • Mammary Structure Changes During Ejection
  • Microstucture of Milk Ejection

Lesson 7-2: Oxytocin

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 7-2 Quiz

3 Videos

  • Oxytocin
  • Sources of Oxytocin
  • Other Functions of Oxytocin

Lesson 7-3: More Milk Ejection

    • 5 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 7-3 Quiz

5 Videos

  • Residual Milk
  • Disturbed Milk Flow
  • Manipulation of Milk Ejection
  • Inhibition of Milk Ejection
  • Species Comparisons

Lesson 7-4: Milk Ejection on the Farm

    • 1 Videos
Show info about module content

1 Videos

  • Milk Ejection Demo - Optional

Module 8 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 8 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aid

Lesson 8-1: Non-Puerperal Lactation

    • 7 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 8-1 Quiz

7 Videos

  • Induced Lactation
  • Estrogen
  • Phytoestrogen
  • Zearalenone
  • Elevated Prolactin
  • Relactation, Allosucking, Communal Nursing
  • Lactation in Males

Week 6 Graded Activities

    • 1 PeerReview
    • 1 Assignment
Show info about module content

1 Assignment

  • Week 6 Quiz

1 Peer Review

  • Phenomenon Related to Lactation

Module 9 Information

    • 1 Readings
Show info about module content

1 Readings

  • Module 9 Overview

Study-Aid Activity

    • 1 Readings
    • 1 Discussion
Show info about module content

1 Discussions

  • Share Your Concept Map

1 Readings

  • Optional: Study Aid

Lesson 9-1: Introduction to Mastitis

    • 5 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 9-1 Quiz

5 Videos

  • Mastitis Defined
  • Milk Components
  • Host-Agent-Environment
  • First Line of Defense
  • Inflammatory Response

Lesson 9-2: Detection, Treatment, Control, & Prevention

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 9-2 Quiz

3 Videos

  • Detection
  • Treatment & Control
  • Prevention

Lesson 9-3: Syndromes & Types

    • 5 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 9-3 Quiz

5 Videos

  • Mastitis Syndromes
  • Mastitis Types
  • Contagious Pathogens
  • Environmental Pathogens
  • Other Pathogens

Lesson 9-4: Mastitis on the Farm

    • 3 Videos
    • 1 Assignment
Show info about module content

1 Assignment

  • Lesson 9-4 Quiz

3 Videos

  • Mastitis at a Herd-Level
  • Contagious vs Environmental
  • Milking Procedure

Lesson 9-5: Mastitis Cases

    • 3 Videos
Show info about module content

3 Videos

  • Mastitis Example Case 1
  • Mastitis Example Case 2
  • Mastitis Example Case 3

Week 7 Graded Activities

    • 1 Readings
    • 1 PeerReview
    • 1 Assignment
Show info about module content

1 Assignment

  • Week 7 Quiz

1 Peer Review

  • Mastitis Cases

1 Readings

  • Mastitis Cases Answers

Module 10 Information

    • 1 Readings
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1 Readings

  • Module 10 Overview

Lesson 10-1: Swine

    • 13 Videos
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13 Videos

  • Swine Lactation: Introduction
  • Swine Lactation: Mammary Anatomy & Development
  • Swine Lactation: Milk Composition
  • Swine Lactation: Lactogenesis & Early Lactation
  • Swine Lactation: Milk Production
  • Swine Lactation: Milk Removal & Sucking Intensity
  • Swine Lactation: Milk Ejection
  • Swine Lactation: Mammary Involution
  • Swine Lactation: Prolactin & Lactation
  • Swine Lactation: Lactational History
  • Swine Lactation: Mastitis 1
  • Swine Lactation: Mastitis 2
  • Swine Lactation: Mastitis 3

Lesson 10-2: Elephants

    • 2 Videos
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2 Videos

  • Elephant Lactation 1
  • Elephant Lactation 2

Lesson 10-3: Goats

    • 6 Videos
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6 Videos

  • Dairy Goats: Farm Introduction
  • Dairy Goats: The Kids
  • Dairy Goats: The Does
  • Dairy Goats: Milking Parlor and Procedures
  • Dairy Goats: Cheese Introduction
  • Dairy Goats: Making Cheese

End of Course

    • 1 Readings
    • 1 Assignment
Show info about module content

1 Assignment

  • End of Course Survey

1 Readings

  • Solutions to Crossword Puzzles

Auto Summary

Explore the fascinating world of Lactation Biology in this foundational course by Coursera. Designed for science and engineering enthusiasts, it delves into the biology of the mammary gland and milk production. Led by an expert instructor, the course offers engaging presentations, interactive discussions, quizzes, and learning aids over 2400 minutes. Ideal for those looking to deepen their understanding of lactation, it provides flexible learning with a Starter subscription. Perfect for anyone from curious minds to industry professionals.

Dr. Walter Hurley, PhD
Instructor

Dr. Walter Hurley, PhD