SelectedWorks - Brett Ramirez

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Selected Works of Brett Ramirez

Assistant Professor of Agricultural and Biosystems Engineering

Expertise

Swine and poultry housing, ventilation, energy efficiency, and energetics
Instrumentation and environmental control
Thermal comfort, air quality, and gaseous emissions

Works
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About Brett Ramirez

Expertise

Swine and poultry housing, ventilation, energy efficiency, and energetics
Instrumentation and environmental control
Thermal comfort, air quality, and gaseous emissions

Present	Assistant Professor of Agricultural and Biosystems Engineering, Iowa State University ‐ Department of Agricultural and Biosystems Engineering
Institution Organization Position Type Position Title Time Period to Options Current Position Affiliate my profile with this Institution

Bioresource and Agricultural Engineering

Faculty Profile

http://orcid.org/0000-0002-3205-9723

Peer-Reviewed Articles (18)

Development of Thermal Performance Metrics for Direct Gas-Fired Circulating Heaters

Agriculture (2021)

Benjamin C. Smith, Brett C. Ramirez and Steven J. Hoff

Many climate-controlled agricultural buildings use direct gas-fired circulating heaters (DGFCH) for supplement heat. There is no standardized test to calculate ...

Effects of farrowing stall layout and number of heat lamps ...

Applied Animal Behaviour Science (2021)

Suzanne M. Leonard, Hongwei Xin, Tami M/ Brown-Brandl, Brett C. Ramirez, et al.

Farrowing stalls are used in the United States swine industry to reduce pre-weaning piglet mortality, enable efficient individual animal management, ...

Ventilation performance and bioenergetics of dekalb white hens in a ...

Biosystems Engineering (2020)

Jofran L. Oliveira, Brett C. Ramirez, Hongwei Xin, Yu Wang, et al.

The knowledge of bioenergetics and building ventilation rate in intensive livestock housing is important for efficient design and operation of ...

Effects of Farrowing Stall Layout and Number of Heat Lamps ...

Suzanne M. Leonard, Hongwei Xin, Tami M. Brown-Brandl, Brett C. Ramirez, et al.

Most farrowing facilities in the United States use stalls and heat lamps to improve sow and piglet productivity. This study ...

Lack of interactive effects between diet composition or acid addition ...

Journal of Animal Science (2020)

Brian Kerr, Shelby M. Curry and Brett C. Ramirez

Two experiments were conducted to determine the effect of oven drying (OD) or freeze drying (FD) on apparent ileal digestibility ...

Pilot-Scale Assessment of a Novel Farrowing Creep Area Supplementary Heat ...

Benjamin C. Smith, Brett C. Ramirez, Steven J. Hoff and Laura L. Greiner

Pre-weaning morality (PWM) is attributed to a poor creep area microclimate and causes major economic and productivity losses for the ...

Design and validation of a mobile air filter testing laboratory ...

Agricultural Engineering International: CIGR Journal (2019)

Benjamin C. Smith, Brett C. Ramirez, Steven J. Hoff, Jay D. Harmon, et al.

The US swine industry is shifting towards filtered fresh-air ventilation systems that use pleated filters to improve breeding herd health ...

At the Intersection of Industry, Academia, and Government: How Do ...

Brett C. Ramirez, Hongwei Xin, Patrick G. Halbur, Donald H. Beermann, et al.

This commentary is a comprehensive synthesis of ideas generated from a workshop, hosted by Iowa State University, encompassing precision livestock ...

Development and application of an image acquisition system for characterizing ...

Computers and Electronics in Agriculture (2019)

Suzanne M. Leonard, Hongwei Xin, T. M. Brown-Brandl and Brett C. Ramirez

Animal behavior can be an indicator of animal productivity and well-being, and thus an indicator of how animals respond to ...

Characterization of an Air-to-Air Heat Exchanger for Manure Belt Drying ...

Journal of Applied Poultry Research (2019)

Y. S. M. Goselink and Brett C. Ramirez

The environment inside laying hen houses has an important effect on hen productivity, health, and well-being. Heat exchangers (HEs) can ...

Heat stress adaptations in pigs

Animal Frontiers (2019)

Edith J. Mayorga, David Renaudeau, Brett C. Ramirez, Jason W. Ross, et al.

Implications • Heat stress is a global issue constraining animal agriculture productivity, negatively affects welfare, and reduces production efficiency in ...

Thermal environment sensor array: Part 1 development and field performance ...

Biosystems Engineering (2018)

Brett C. Ramirez, Yun Gao, Steven J. Hoff and Jay D. Harmon

Current thermal environment (TE) monitoring and control strategies for livestock and poultry facilities require enhanced measurement capabilities to provide an ...

Thermal environment sensor array: Part 2 applying the data to ...

Biosystems Engineering (2018)

Brett C. Ramirez, Steven J. Hoff and Jay D. Harmon

Current thermal environment (TE) assessment techniques for controlling livestock and poultry facilities often solely use dry-bulb temperature (Tdb) and occasionally ...

Functional Performance Evaluation of a Novel Thermal Environment Sensor Array

Transactions of the ASABE (2018)

Brett C. Ramirez, Y. Gao, Steven J. Hoff and Jay D. Harmon

The thermal environment (TE) inside livestock and poultry facilities has a substantial impact on animal growth performance and facility energy ...

Omnidirectional thermal anemometer for low airspeed and multi-point measurement applications

Computers and Electronics in Agriculture (2016)

Yun Gao, Brett C. Ramirez and Steven J. Hoff

Current control strategies for livestock and poultry facilities need to improve their interpretation of the Thermal Environment (TE) that the ...

Design and Feasibility of an Impact-Based Odor Control System

Applied Engineering in Agriculture (2016)

Brett C. Ramirez, Steven J. Hoff and Lun Tong

Legislation and rural communities are increasingly requesting reductions in odor emitted from swine production facilities. If odor is regarded solely ...

A Novel Ruminant Emission Measurement System: Part I. Design Evaluation ...

Transactions of the ASABE (2015)

Guilherme D. N. Maia, Brett C. Ramirez, Angela R. Green, Luis F. Rodríguez, et al.

Methane (CH4) generated by cattle is both a major source of greenhouse gas emissions and a powerful indicator of feed ...

A Novel Ruminant Emission Measurement System: Part II. Commissioning

Transactions of the ASABE (2015)

Guilherme D. N. Maia, Brett C. Ramirez, Angela R. Green, Yi Sun, et al.

The Ruminant Emission Measurement System (REMS) supports research on the relationships between bovine nutrition, genetics, and management strategies by measuring ...

Development and Validation of an Animal Thermal Environment Interaction Laboratory

Agricultural and Biosystems Engineering Conference Proceedings and Presentations (2021)

Benjamin C. Smith, Sara E. Weyer, Brett C. Ramirez, Steven J. Hoff, et al.

A pilot-scale laboratory was designed and built to meet the specific needs of conducting precision livestock farming (PLF) research related ...

Swine Carcass Characterization Exposed to a Small-scale Desiccation Environment

Agricultural and Biosystems Engineering Conference Proceedings and Presentations (2021)

Sara E. Weyer, Brett C. Ramirez, Daniel S. Andersen and Benjamin C. Smith

A catastrophic mortality event for swine would present numerous challenges with management and disposal of infected carcasses. This study explored ...

Thermal Properties of Concrete Slats During Preheating of Empty Swine ...

Agricultural and Biosystems Engineering Conference Proceedings and Presentations (2021)

Suzanne M. Leonard, Brett C. Ramirez and Sara E. Weyer

Providing appropriate thermal conditions for young piglets is critical to growth and welfare, especially during stressful periods after transportation and ...

Effective Environment Temperature comparison of two supplemental heat sources on ...

Agricultural and Biosystems Engineering Conference Proceedings and Presentations (2020)

Benjamin C. Smith, Brett C. Ramirez, Steven J. Hoff and Laura L. Greiner

In the US swine industry, one of the largest economic and production losses is pre-weaning mortality (PWM). The vast differences ...

Effects of piglet creep environment on sow behavior and litter ...

Agricultural and Biosystems Engineering Conference Proceedings and Presentations (2020)

Suzanne M. Leonard, Hongwei Xin, Tami M. Brown-Brandl, Brett C. Ramirez, et al.

Filter Airflow prediction model development

Agricultural and Biosystems Engineering Conference Proceedings and Presentations (2020)

Benjamin C. Smith and Brett C. Ramirez

The implementation of air filters on commercial swine farms has effectively reduced the frequency of airborne disease transmission. However, efficiently ...

Static and dynamic space usage of late gestation sows

Agricultural and Biosystems Engineering Conference Proceedings and Presentations (2020)

Suzanne M. Leonard, Hongwei Xin, Brett C. Ramirez, John P. Stinn, et al.