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Modern poultry barns often have two, and sometimes three, sets of fresh air ventilation inlets that are specialized for conditions ranging from cold, to mild and hot weather. [image source: Eileen Fabian]
Key Aspects of Inlets for Mechanical Ventilation of Poultry Housing - Articles Articles

Key Aspects of Inlets for Mechanical Ventilation of Poultry Housing

Eileen E. Fabian (Wheeler), Ph.D., Gino Lorenzoni

Inlets are perhaps the most important part of the ventilation system for maintaining uniformly comfortable and healthy conditions around the poultry house. More
Hand-held instruments are used to document conditions and performance of environment in animal facilities [source: E. Fabian]
Evaluating Air Quality in Livestock Housing Environments - Articles Articles
This publication focuses on important aspects of evaluating and troubleshooting farm animal housing environment and ventilation system performance. More
Photo credit: Dan McFarland
Pre-Fresh, Maternity and Post-Fresh Space: Getting the Numbers Right - Articles Articles
Nutrition, health care, and environment provided during the transition period have a tremendous influence on cow health and performance well into the next lactation. More
Red Holstein dairy cow
Animal Welfare Objectives for Dairy Facility Design - Articles Articles

Animal Welfare Objectives for Dairy Facility Design

Eileen E. Fabian (Wheeler), Ph.D.

This article provides a simplified context for animal welfare in relation to engineering design features of dairy housing. More
Animal Welfare in Dairy System Design
Animal Welfare in Dairy System Design - Articles Articles
Modern dairy shelters provide the five freedoms of animal welfare that are essential to cow comfort and animal husbandry. More
Safety Risk from Manure Storages of Dairy Cows Bedded with Gypsum
Safety Risk from Manure Storages of Dairy Cows Bedded with Gypsum - Articles Articles

Safety Risk from Manure Storages of Dairy Cows Bedded with Gypsum

Eileen E. Fabian (Wheeler), Ph.D., Michael Hile, Dan Hofstetter

Findings from on-farm monitoring of dairies using gypsum as stall bedding show a link has been found to highly toxic levels of hydrogen sulfide gas during manure movement and agitation. More
Are Your Cows Taking a Vacation?
Are Your Cows Taking a Vacation? - Articles Articles
Too much time away from their pen can cause a deficit in cows' daily time budget. More
2010-2014 Pennsylvania Farm Fatalities Summary 2010-2014 Pennsylvania Farm Fatalities Summary - Articles

2010-2014 Pennsylvania Farm Fatalities Summary

Douglas Schaufler, Ph.D., P.E.

Summaries of farm fatalities and crash incidents involving farm vehicles help to identify hazards and risks associated with production agriculture. More
2015 Pennsylvania Farm Fatal Injury Summary 2015 Pennsylvania Farm Fatal Injury Summary - Articles

2015 Pennsylvania Farm Fatal Injury Summary

Douglas Schaufler, Ph.D., P.E.

Annual summaries of farm fatalities help identify hazards and risks associated with production agriculture. More
Common Sense Fencing for Horses
Common Sense Fencing for Horses - Articles Articles

Common Sense Fencing for Horses

Laura Kenny, Ann M. Swinker

Safe fencing needs proper planning and installation. More
Never Too Early to Think Heat Abatement
Never Too Early to Think Heat Abatement - Articles Articles
Get ready for summer heat before it gets here, because we know it is coming. More
Online Ventilation Tool
Online Ventilation Tool - Articles Articles
The online tool is designed so pit designer/field engineers can predict how confined-space manure storage needs to be ventilated before it is safe to enter. More
Silo Fire Decision Trees
Silo Fire Decision Trees - Articles Articles

Silo Fire Decision Trees

Davis E. Hill

Decision trees and recommendations for firefighters to address silo fires. More
Figure 1. Space requirements for resting and rising dairy cow
Designing and Building Dairy Cattle Freestalls - Articles Articles

Designing and Building Dairy Cattle Freestalls

Dan McFarland, Robert Graves, Ph.D., P.E.

Freestalls (cubicles) provide dairy cows a clean, dry, comfortable resting space. Well-designed and properly maintained freestalls are a key component in a freestall housing system. More
Tunnel Ventilation for Tie Stall Dairy Barns
Tunnel Ventilation for Tie Stall Dairy Barns - Articles Articles
Tunnel ventilation is a special summer system that provides a combination of high air exchange rates and high-speed air flow over cows to help remove body heat during hot weather. More
Examples of pull tube with pump for gas concentration detection.
Ammonia Monitoring in Barns Using Simple Instruments - Articles Articles

Ammonia Monitoring in Barns Using Simple Instruments

Eileen E. Fabian (Wheeler), Ph.D.

This article describes simple relatively-inexpensive instruments for detecting ammonia gas concentration in animal housing to assure proper air quality. More
Psychrometric Chart Use
Psychrometric Chart Use - Articles Articles

Psychrometric Chart Use

Eileen E. Fabian (Wheeler), Ph.D.

A psychrometric chart presents properties of air in a graphical format useful for troubleshooting greenhouse or livestock building environmental problems. More
Ventilation Improvements for Veal Calf Housing
Ventilation Improvements for Veal Calf Housing - Articles Articles

Ventilation Improvements for Veal Calf Housing

Eileen E. Fabian (Wheeler), Ph.D.

This article explains how adding a second and third large baffle inlet assembly to a 50-calf room can provide hot weather ventilation. More
Organic poultry house with sidewall eave and ceiling inlets.
Inlets for Mechanical Ventilation Systems in Animal Housing - Articles Articles
Properly designed and functioning ventilation inlet openings are key for achieving comfortable, fresh air conditions in farm animal housing. More
Boarding Horses
Boarding Horses - Articles Articles

Boarding Horses

Donna Foulk, Lynn Kime, Jayson K. Harper, Ph.D.

Many people enjoy activities involving horses; however, they don't have the facilities to house their animals. More
Getting the manure out of a stall is only the beginning of manure management.
Horse Stable Manure Management - Articles Articles

Horse Stable Manure Management

Eileen E. Fabian (Wheeler), Ph.D.

A complete manure management system involves collection, storage (temporary or long term), and disposal or utilization. More
Recommendations for Calf and Heifer Housing Dimensions for Jerseys
Recommendations for Calf and Heifer Housing Dimensions for Jerseys - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Jerseys

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Jersey cattle; a starting point for the design process. More
Photo credit: Amber Yutzy
Recommendations for Calf and Heifer Housing Dimensions for Holsteins - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Holsteins

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Holstein dairy cattle; a starting point for the design process. More
Horse Stall Design
Horse Stall Design - Articles Articles

Horse Stall Design

Eileen E. Fabian (Wheeler), Ph.D.

The stall is the basic functional unit of a horse stable or shelter by providing a suitable environment for the horse and handler. More
Building a Structure that Will Last
Building a Structure that Will Last - Articles Articles

Building a Structure that Will Last

Dan McFarland, Kenneth Guffey, PE

Structures that house cattle are vital to the success of a dairy business. More
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