Penn State Extension

38 Results

List Grid

Photo from pixabay.com. CC0
The Fat in Different Dairy Products - Articles Articles
Learn about the impact milk fat has on human health and how it differs between various dairy products. 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
Why Cows Don't Get Pregnant
Why Cows Don't Get Pregnant - Articles Articles

Why Cows Don't Get Pregnant

Andrew Sandeen

Dairy cows don't always conceive after the first insemination attempt. There are a variety of causes that may contribute to conception failure. More
Photo credit: Andrew Sandeen
More Progesterone, Please - Articles Articles

More Progesterone, Please

Andrew Sandeen

Progesterone is essential for normal reproductive cycling; it inhibits estrus and controls follicle growth. But, some high-producing dairy cows have too little in circulation. More
Characteristics of the Bovine Estrous Cycle
Characteristics of the Bovine Estrous Cycle - Videos Videos
This video introduces some of the key characteristics of the estrous cycle in cattle. 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
Photo credit: Andrew Sandeen
Is 60 the Magic Number? - Articles Articles

Is 60 the Magic Number?

Andrew Sandeen

Factors to consider before shifting voluntary waiting period or dry period length. More
Minimizing Interservice Intervals
Minimizing Interservice Intervals - Videos Videos

Minimizing Interservice Intervals

Andrew Sandeen

9:45

This video defines interservice intervals and provides suggestions for how to improve them to maximize reproductive efficiency and dairy herd profitability. 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
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
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
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: 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
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 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
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
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 - 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
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
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
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
Page:
  1. 1
  2. 2