Oklahoma State University: Breeds of Sheep
https://breeds.okstate.edu/sheep/?Forwarded=afs.okstate.edu/breeds/sheep

Montana State University Extension: Choose the Right Breed of Sheep
https://apps.msuextension.org/magazine/articles/1337

Oklahoma State University: Breeds of Goats
https://breeds.okstate.edu/goats/

The University of Tennessee: Goat Breed Identification, Goat Skillathon
https://marshall.tennessee.edu/wp-content/uploads/sites/60/2020/03/Goat-Skillathon.pdf

Utah State University Extension: Market Lamb Selection
https://extension.usu.edu/utah/4h/files/MarketLambSelection.pdf

Rutgers University: Lamb Selection: Finding the Cream of the Flock, Part 1
https://4hanimalscience.rutgers.edu/2018/01/31/market-lamb-selection-finding-the-cream-of-the-flock-part-1/

Mississippi State University: A Quick Guide to Club Goat Selection
https://extension.msstate.edu/sites/default/files/pdf//AQuickGuidetoClubGoatSelection-2018.pdf

Utah State University Extension: Market Goat Projects, Getting Started
https://extension.usu.edu/utah/4h/files/marketgoatfirststepfactsheet.pdf

New Mexico University: Sheep and Goat Vaccine and Health Management Schedule
https://pubs.nmsu.edu/_b/B127/index.html

Nebraska Extension: The Basics of Vaccinating Sheep and Goats
https://extensionpubs.unl.edu/publication/g2339/2022/html/view

South Dakota State University Extension: Are your Dewormers Effective for your Sheep or Goat?
https://extension.sdstate.edu/are-your-dewormers-effective-your-sheep-or-goat

Montana State University: Sheep Showmanship
https://www.montana.edu/extension/valley/sheepshowmanship.html

Rutgers University: Sheep Showmanship: A Basic Guide
https://4hanimalscience.rutgers.edu/2019/06/22/sheep-showmanship-a-basic-guide/

Oklahoma State University: Meat Goat Showmanship
https://extension.okstate.edu/fact-sheets/meat-goat-showmanship.html