Penn State Extension
Penn State Extension
Articles Lameness in Dairy Herds - Part 2: Sorting Out Common Causes
Ernest Hovingh, DVM, PhD
Lameness is a significant problem in many of today’s dairy herds, although it is often not recognized as such. More
Hoof Trimming Report
Ernest Hovingh, DVM, PhD
A graphical hoof trimming report for use on the dairy farm. Animal health record keeping. More
Videos Protecting your Poultry
Erin Greenleaf, Capri Stiles-Mikesell
10:03
This video will walk you through the many responsibilities that go along with a poultry project such as keeping your birds healthy, happy, and free from harm. More
Articles Biosecurity Overview
Ernest Hovingh, DVM, PhD
Farm Biosecurity: Management practices to minimize or prevent the transmission of disease within and between herds and flocks. More
Articles Biosecurity Risk of Vets, Ag Service Personnel and Visitors
Ernest Hovingh, DVM, PhD
A checklist to determine the biosecurity risk of individuals to dairy herds. More
Articles Biosecurity Fundamentals
Ernest Hovingh, DVM, PhD, Robert J. Van Saun, DVM, MS, PhD, Bhushan M. Jayarao, MVSc, PhD, MPH
The basics of disease biosecurity, why a biosecurity plan should be implemented, and how to get a plan in motion. More
Videos Cattle Euthanasia
Ernest Hovingh, DVM, PhD
6:04
This video will help the viewer determine the most ideal time for euthanasia, and instruction on how to choose and perform appropriate euthanasia techniques. More
Foot and Mouth Disease (FMD) - Risk posed by the importation of meat (beef)
Ernest Hovingh, DVM, PhD
What is the risk of importing Food and Mouth Disease in imported beef? More
Articles Mastitis, Udder Health, and Milk Quality
Ernest Hovingh, DVM, PhD
Despite considerable research into bovine mastitis it remains an economically significant problem for the dairy industry, as well as an animal well-being concern. More
Articles Biosecurity Risk Assessment: Farm Visitors and Exhibitions
Ernest Hovingh, DVM, PhD, Bhushan M. Jayarao, MVSc, PhD, MPH, Robert J. Van Saun, DVM, MS, PhD
Biosecurity is a series of measures implemented to prevent or reduce the introduction and spread of infectious disease pathogens. The provided checklists help determine the biosecurity risk of individuals and animals. More
Articles Biosecurity Risk Assessment: Livestock Exhibitions
Ernest Hovingh, DVM, PhD, David R. Wolfgang, VMD, MPH DABVP-Dairy
A checklist to determine the biosecurity risk at Livestock Exhibitions. More
Biosecurity Risk Assessment: Johne's Disease
Ernest Hovingh, DVM, PhD, David R. Wolfgang, VMD, MPH DABVP-Dairy
A checklist to determine the risk of various factors for Johne's Disease in dairy herds. More
Articles Risk Assessment for Salmonella in Dairy Herds.
Ernest Hovingh, DVM, PhD
A checklist to determine the biosecurity risk of introducing and spreading Salmonella in dairy herds. More
Articles Feed Management and Delivery
Robert J. Van Saun, DVM, MS, PhD, Ernest Hovingh, DVM, PhD
A checklist to determine the relative biosecurity risk of feed management and delivery in dairy herds. More
Articles Contagious Mastitis Organisms in Dairy Herds
Ernest Hovingh, DVM, PhD
A chart to assess the biosecurity risk of various factors for contagious organism transmission in dairy herds. More
Articles Risk Assessment: Bovine Leukemia Virus (BLV)
Ernest Hovingh, DVM, PhD
A chart to assess various risk factors for BLV transmission in dairy herds. More
Articles Biosecurity - A Practical Approach
Ernest Hovingh, DVM, PhD
Biosecurity is a set of practices employed to prevent the importation of infectious organisms into a herd or flock, and their transmission between animals. More
Articles Table of Disinfectants used on the Farm
Ernest Hovingh, DVM, PhD
Information about disinfectants commonly used on the farm for disease control. More
Guides and Publications Beekeeping Basics
Maryann Frazier
98
$10.00 As low as: $8.50
Become a successful beekeeper by learning about honey bee biology and how to manage bee colonies. More
Guides and Publications A Field Guide to Honey Bees and Their Maladies
Maryann Frazier
86
$12.00 As low as: $10.20
Identify and treat maladies in your honey bee colony. More
Articles Johne's Certified Veterinarian Training
Ernest Hovingh, DVM, PhD, David Zellner
Two options exist for recertification of Johne's Certified Veterinarians. More
Johne's Disease Contacts
Ernest Hovingh, DVM, PhD
Contact information for various people involved with Johne's Disease efforts in Pennsylvania. More
Environmental Sampling for Johne's Disease
Ernest Hovingh, DVM, PhD, Dr. Deepanker Tewari
Composite environmental samples can be used as a rapid, low-cost method to screen dairy herds for the presence of Johne's Disease bacteria. More
Articles Lameness in Dairy Herds - Part 1: Defining and Monitoring the Situation
Ernest Hovingh, DVM, PhD
Lameness is a significant problem in many of today’s dairy herds, although it is often not recognized as such. More
Articles Biosecurity Signs
Ernest Hovingh, DVM, PhD, Louise Byler
Examples of biosecurity signs that can be posted at animal farms/facilities to reduce the risk of importing/transmitting disease. More