Environmental Physiology of Domestic Animals---Spring 2025
(send questions/comments to rod@rodallrich.com)
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Course Material
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Required Textbook:

Environmental Physiology of Livestock (by Collier and Collier)
Go to the Purdue Libraries and download the free pdf copy of this textbook.

Other Reading Material (always listed here, not in BS):

*****Newest reading material always added to top of the below list*****

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Stray Voltage in Chicago (3/7/2025)

Chicago

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Our topic for the week of March 10th

Environmental Hormones
Endocrine Disrupting Chemicals
Review Androgens
Review Corticoids
Review Estrogens
Review Progestins
Review Thyroid Hormones
Actions-1
Actions-2
Actions-3
Actions-4

Video on Environmental Estrogens

Zearalenone

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3/3/2025

Optional reading about CO for those hungry for details:

Carbon Monoxide Poisoning

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2/23/2025

Here is some optional reading on topics we encountered in class this past week:

AVMA Guidelines for the Euthanasia of Animals

Blood Brain Barrier (video)

Activated Charcoal (video)

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2/18/2025

Yesterday in class we spent most of our time on pentobarbital and phenobarbital.
You may ask why I include these two compounds on the list of poisons that may affect our animals.

Read below:

https://www.ovrs.com/blog/dog-food/

https://www.drernieward.com/blog/2018/2/17/video-blog-how-did-a-euthanasia-drug-get-into-pet-foods

I include phenobarbital on the list because it is often confused with pentobarbital.

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2/15/2025

Early this semester I mentioned that I thought Indianapolis had passed laws pertaining to
animal care and treatment. I have found a website that lists the main highlights of those laws:

Friends of Indianapolis Dogs Outside (FIDO)

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2/5/2025

Environmental Toxicants and Toxins (a sampling of the 100's that exist)


Sweet Clover Poisoning

More Sweet Clover Poisoning

Dead cattle lead to the discovery of Warfarin

Toxic pet food kills dozens of dogs-aflatoxin


Dogs keep dying-aflatoxin

More dogs are dying-aflatoxin

Melamine and dead dogs

Melamine Update

Mare Reproductive Loss Syndrome

Blister Beetles Kill Horses


Blister Beetle Poisoning



Above this line is Quiz #4
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Pentobarbital-1

Pentobarbital-2

Phenobarbital-1

Phenobarbital-2

Watch this video-1

Watch this video-2

Stray Voltage-1

Stray Voltage-2

Stray Voltage-3

Stray Voltage-4

Antifreeze Poisoning in Dogs

Ethylene Glycol Poisoning

Chocolate Poisoning in Dogs

Above this line is Quiz #5
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Organophosphates-1

Organophosphates-2

Organophosphates-3

Organophosphates-4

Malathion (PPT)

Lead Toxicosis-1

Lead Toxicosis-2

Lead Toxicosis-3

Grape and raisin toxicity in dogs

Teratogens-3

Teratogens-4

Teratogens-5

Teratogens-6

Teratogens-8

Teratogens-9

Teratogens-10

Teratogens-11

Above this line is Quiz #6
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Palytoxin

Xylitol-1

Xylitol-2

Xylitol-3

Gums that contain xylitol:
Orbit
Trident
Stride
Nicorette

Peanut Butter that contains xylitol:
Go Nuts Co.
Nuts 'N More
P28 Foods
Krush Nutrition

Persin-1

Persin-2

Macadamia Nuts

Yeast Dough

Rodenticides

DES also harms the third generation

Hormone Implants

Local Hormone Delivery

Estradiol benzoate



Above this line is Quiz #7
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1/30/2025

Gas Table from lecture on 2/5

Gases

Carbon monoxide #1

Carbon monoxide #2

Carbon monoxide #3

CO deaths

More CO deaths

And more CO deaths

2 more CO deaths

Savannah's Law now in Effect

3 More CO deaths

4 More CO deaths

Hotels and CO

CO Detectors-A video

Silo Gas

More Silo Gas

And more silo gas

Another silo death

Grain Bin Entrapment

Manure Pit Gases

Deaths from Manure Pit gases

Radon

Radon test kit

Phosphine Gas-1

Phosphine Gas-2



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1/26/2025

Comments about Quizzes

** Q1 has now been graded and scores posted in BS.

** I encourage you to take picture of quiz before you hand it in.

** Quizzes will be given every Wednesday.

** If possible, avoid the use of acronyms as answers.

** Partial credit is always possible.

** Quizzes use the 80/20 rule.

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1/24/2025

View these required videos and read in our textbook before next week's quiz:

Video2

Video3

Video4

Video5--Beef Cattle

Read Chapter 15 in our textbook
(don't get bogged down in the fine details of the chapter)

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As promised, Practice Quiz #1 (to help prepare for this Wednesday's quiz)

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Assignment for the week of January 13th

Read Chapter 2 in our textbook and  view this video:

Heat Transfer Mechanisms

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Syllabus

Learning Objectives    Using active and self-directed learning techniques, empower students to learn and       
apply principles of environmental physiology over a lifetime to benefit themselves and their animals.

Learning Coach             Coach Rod               rallrich@purdue.edu          rod@rodallrich.com

Course Topics       Thermoregulation       Homeostasis    Behavior        Cohorts        Photoperiod    Reproduction       
Parasites  
                          Gases        Role of Genotype               Altitude        Sensory Systems       Water Balance    Phytotoxins       
                                                Metabolism        Hyperbaric Chambers   Pheromones        Nutrition         Heat Transfer Mechanisms  Telemetry       
            Environmental Hormones   Buildings   Transportation   Environmental Enrichment   Equipment

Course Website          www.rodallrich.com   Web links lead to required course material     
        
Redundant website:      rodallrich2.com    Brightspace will contain points earned. and misc. material

Assessments           On each Wednesday during the semester, we will have an assessment during the                               
                               last 15 minutes of lecture that will be worth 50 points each. We will have 12 of                                
these assessments (A1-A12) and count the best 10 scores for the course grade.

Suggested Homework           Go to “Quizzes/Crossword Puzzles” link at rodallrich.com

Course Grade    There are 500 total points possible for the semester.
We will use the plus minus grading  system as outlined below:

A plus (4.0) 97.0-100.0 %  A (4.0) 93.0-96.9 % A minus (3.7) 90.0-92.9 %
B plus (3.3) 87.0-89.9 % B (3.0) 83.0-86.9 % B minus (2.7) 80.0-82.9 %
 
C plus (2.3) 77.0-79.9 %  C (2.0) 73.0-76.9 % C minus (1.7) 70.0-72.9 %
 
D plus (1.3) 67.0-69.9 % D (1.0) 63.0-66.9 % D minus (0.7) 60.0-62.9 %
F (0.0) < 60.0 %


Bad Weather Policy: In the event that Purdue cancels classes,
Rod will send an email to students describing how the schedule of course events is affected by the cancellation.

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The End