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A promising stand of alfalfa in bloom. Image Credit: Jessica Williamson
Fall Forage Establishment - Articles Articles

Fall Forage Establishment

Jessica A. Williamson, Ph.D., Marvin Hall, Ph.D.

Pasture managers and hay producers have a window of opportunity in the late summer and early fall to improve existing or establish new stands through seeding. 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
Forage Variety Trials Reports
Forage Variety Trials Reports - Articles Articles

Forage Variety Trials Reports

Marvin Hall, Ph.D.

Forage Trials Report summarizes performance data collected from ongoing forage trials at two sites 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 Risk Assessment: Livestock Exhibitions
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 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 Signs
Biosecurity Signs - Articles 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
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
Environmental Sampling for Johne's Disease Environmental Sampling for Johne's Disease - 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
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
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
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
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
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 effective measures implemented to prevent or reduce the introduction and spread of infectious disease pathogens. 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
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
Feed Management and Delivery Feed Management and Delivery - 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
Lameness in Dairy Herds - Part 1: Defining and Monitoring the Situation
Lameness in Dairy Herds - Part 1: Defining and Monitoring the Situation - Articles Articles
Lameness is a significant problem in many of today’s dairy herds, although it is often not recognized as such. 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
Determining Pasture Yield
Determining Pasture Yield - Articles Articles

Determining Pasture Yield

Marvin Hall, Ph.D.

Direct and indirect methods of determining pasture yield. More
Forage Quality in Perspective
Forage Quality in Perspective - Articles Articles

Forage Quality in Perspective

Marvin Hall, Ph.D.

Fluctuations in milk prices, feed costs, and government programs are forcing dairy farmers to become more efficient with their farm operation. More
Where to Send Samples for Analysis
Where to Send Samples for Analysis - Articles Articles
Once you have gone to the effort of correctly collecting a sample, how can you be sure that the results you receive from the testing laboratory are accurate? More
Why Test Forage Quality?
Why Test Forage Quality? - Articles Articles

Why Test Forage Quality?

Marvin Hall, Ph.D.

Greater net profit is the bottom line for why livestock producers need to know the quality of the forages they are feeding! 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
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 & Mouth Disease in imported beef?" More
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