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 credit: Andrew Sandeen
Risk Management for Reproduction Programs - Articles Articles
Risk management must address big-picture financial aspects; however, it is also relevant to specific areas of management, such as reproduction. More
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
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
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
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
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
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
Predicting Pregnancy Loss
Predicting Pregnancy Loss - Articles Articles

Predicting Pregnancy Loss

Andrew Sandeen

Diagnosing pregnancy early identifies open cows and can help minimize days open and increase profitability, but losing confirmed pregnancies can be very frustrating. More
Food is a central part of life in every culture. And eating with others is meaningful. The foods may be different, such as this ugali (corn porridge) and dried fish from Tanzania, but the significance of eating together isn’t.
Making the Most of Cross-Cultural Encounters - Articles Articles
Understanding differences between cultures can provide helpful insight for situations encountered everywhere in our increasingly global society, including common encounters on U.S. farms. More
Dealing with the Stubborn Corpus Luteum (CL) During a Timed AI Program
Dealing with the Stubborn Corpus Luteum (CL) During a Timed AI Program - Articles Articles
Some of the latest, greatest timed artificial insemination (AI) protocols have become pretty complex, but not without valid reasons. More
HPAI Respiratory Protection
HPAI Respiratory Protection - Articles Articles

HPAI Respiratory Protection

Gregory P Martin, Ph.D., PAS

N95 is the minimum level respiratory protection approved by CDC/NIOSH for use for by individuals working with HPAI-infected birds. More
Cyclicity in Dairy Cows: Postpartum Blues
Cyclicity in Dairy Cows: Postpartum Blues - Articles Articles
Ovulation is the critical event that must function correctly and be responded to in a timely manner in to establish a new pregnancy. More
Cyclicity in Dairy Cows: Defining the Issue
Cyclicity in Dairy Cows: Defining the Issue - Articles Articles
Open cows that aren't cycling normally can hamper successful reproduction. More
Producción de Huevos en Pequeña Escala (Orgánica y Convencional)
Producción de Huevos en Pequeña Escala (Orgánica y Convencional) - Articles Articles

Producción de Huevos en Pequeña Escala (Orgánica y Convencional)

Gregory P Martin, Ph.D., PAS, Lynn Kime, Jayson K. Harper, Ph.D., Paul Patterson, Miguel Antonio Saviroff, MS

La producción de huevos en pequeña escala es una de las empresas agrícolas de animales más antiguas registrada en la historia. More
A Long-Term Mindset for Reproductive Management
A Long-Term Mindset for Reproductive Management - Articles Articles
As we look at reproductive management and its impact on overall success of a dairy operation, it is clearly a critical component. More
Use of Activity Monitors to Predict Ovulation and Get Cows Pregnant
Use of Activity Monitors to Predict Ovulation and Get Cows Pregnant - Articles Articles
Activity monitors may consistently predict ovulation and pinpoint the perfect time to breed cows. More
Scott Bauer, USDA Agricultural Research Service, Bugwood.org
Trouble-shooting Infertility Problems in Cattle - Articles Articles
This article examines problem areas related to anestrus, repeat breeding, pregnancy loss, and postpartum disorders. More