Penn State Extension

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Bed Bugs in Poultry Facilities: Identification, Scouting, and Control Options
Bed Bugs in Poultry Facilities: Identification, Scouting, and Control Options - Articles Articles
This brief article provides information about bed bugs, such as identification, life cycle, impacts on the industry, control methods, and a comparison of ticks, poultry mites, and bed bugs. More
photo: AAAP
Marek's Disease in Chickens - Articles Articles

Marek's Disease in Chickens

Eva Wallner-Pendleton, DVM, MS, ACPV, Gregory P Martin, Ph.D., PAS

Marek’s Disease is by far one of the most common illnesses in small flocks and not treatable once the clinical signs have begun. Yet, it is one of the most preventable illnesses using vaccination. More
photo credit: Greg Martin
National Poultry Improvement Plan (NPIP) Biosecurity Planning - Articles Articles
A formal plan for biosecurity is being directed by USDA/NPIP that will eventually lead to audits for those farms participating in this program. A NPIP biosecurity plan would augment a farm's overall HPAI control program. More
Lameness in Dairy Herds - Part 2: Sorting Out Common Causes
Lameness in Dairy Herds - Part 2: Sorting Out Common Causes - Articles Articles
Lameness is a significant problem in many of today’s dairy herds, although it is often not recognized as such. More
Hoof Trimming Report Hoof Trimming Report - Tools and Apps

Hoof Trimming Report

Ernest Hovingh, DVM, PhD

A graphical hoof trimming report for use on the dairy farm. Animal health record keeping. More
Biosecurity Overview
Biosecurity Overview - Articles 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
Biosecurity Risk of Vets, Ag Service Personnel and Visitors
Biosecurity Risk of Vets, Ag Service Personnel and Visitors - Articles Articles
A checklist to determine the biosecurity risk of individuals to dairy herds. More
Biosecurity Fundamentals
Biosecurity Fundamentals - Articles 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
cows
Cattle Euthanasia - Videos 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) Foot and Mouth Disease (FMD) - Risk Posed by the Importation of Meat (beef) - Articles
What is the risk of importing Food and Mouth Disease in imported beef? More
Feed Management and Delivery
Feed Management and Delivery - Articles 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
Risk Assessment for Salmonella in Dairy Herds.
Risk Assessment for Salmonella in Dairy Herds. - Articles Articles
A checklist to determine the biosecurity risk of introducing and spreading Salmonella in dairy herds. More
Biosecurity Risk Assessment: Johne's Disease Biosecurity Risk Assessment: Johne's Disease - Articles

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
Note: everyone is wearing protective booties in an effort to minimize biosecurity risk
Biosecurity Risk Assessment: Livestock Exhibitions - Articles 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: Farm Visitors and Exhibitions
Biosecurity Risk Assessment: Farm Visitors and Exhibitions - Articles 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
Mastitis, Udder Health, and Milk Quality
Mastitis, Udder Health, and Milk Quality - Articles 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
Table of Disinfectants used on the Farm
Table of Disinfectants used on the Farm - Articles Articles

Table of Disinfectants used on the Farm

Ernest Hovingh, DVM, PhD

Information about disinfectants commonly used on the farm for disease control. More
Biosecurity - A Practical Approach
Biosecurity - A Practical Approach - Articles 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
Risk Assessment: Bovine Leukemia Virus (BLV)
Risk Assessment: Bovine Leukemia Virus (BLV) - Articles Articles
A chart to assess various risk factors for BLV transmission in dairy herds. More
Contagious Mastitis Organisms in Dairy Herds
Contagious Mastitis Organisms in Dairy Herds - Articles Articles
A chart to assess the biosecurity risk of various factors for contagious organism transmission in dairy herds. More
Introduction to Highly Pathogenic Avian Influenza
Introduction to Highly Pathogenic Avian Influenza - Videos Videos

Introduction to Highly Pathogenic Avian Influenza

Gregory P Martin, Ph.D., PAS, Eva Wallner-Pendleton, DVM, MS, ACPV, Phillip Clauer

1:03

Introduction to risks of Avian Influenza a precautions you can take to protect your flock. More
Environmental Sampling for Johne's Disease
Environmental Sampling for Johne's Disease - Articles Articles

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
Johne's Disease Contacts Johne's Disease Contacts - Articles

Johne's Disease Contacts

Ernest Hovingh, DVM, PhD

Contact information for various people involved with Johne's Disease efforts in Pennsylvania. More
Johne's Certified Veterinarian Training
Johne's Certified Veterinarian Training - Articles Articles

Johne's Certified Veterinarian Training

Ernest Hovingh, DVM, PhD, David Zellner

Two options exist for recertification of Johne's Certified Veterinarians. More
Biosecurity: Protecting Your Birds from Disease
Biosecurity: Protecting Your Birds from Disease - Articles Articles

Biosecurity: Protecting Your Birds from Disease

Phillip Clauer, Gregory P Martin, Ph.D., PAS, Patricia A Dunn, DVM, MAM, DACPV, R. Michael Hulet

Biosecurity means protecting your birds by preventing disease from entering your farm, and protecting others by preventing disease from leaving your farm. More
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