Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems model

This study adopts a transdisciplinary model-based systems engineering (MBSE) approach to support the development of the Ruminant Farm Systems (RuFaS) model, an advanced on-farm decision support tool. Using the cloud-based MBSE platform Innoslate (SPEC Innovations, Manassas, VA), we identified key st...

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Main Authors: Haowen Hu, Clifford A. Whitcomb, Thomas E. Ploetz, Kristan F. Reed
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-08-01
Series:Frontiers in Sustainability
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Online Access:https://www.frontiersin.org/articles/10.3389/frsus.2025.1561453/full
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author Haowen Hu
Clifford A. Whitcomb
Thomas E. Ploetz
Kristan F. Reed
Kristan F. Reed
author_facet Haowen Hu
Clifford A. Whitcomb
Thomas E. Ploetz
Kristan F. Reed
Kristan F. Reed
author_sort Haowen Hu
collection DOAJ
description This study adopts a transdisciplinary model-based systems engineering (MBSE) approach to support the development of the Ruminant Farm Systems (RuFaS) model, an advanced on-farm decision support tool. Using the cloud-based MBSE platform Innoslate (SPEC Innovations, Manassas, VA), we identified key stakeholders, constructed use cases, defined system boundaries, refined stakeholder requirements, and outlined the system architecture and subsystem interfaces for RuFaS. To demonstrate RuFaS’s ability to meet stakeholder requirements, we selected a specific use case focused on comparing whole farm impacts across different manure management scenarios. For the current case, we defined 12 scenarios from 4 manure management strategies and 3 diet-climate conditions based on U.S. regions. The scenarios included two bedding types (sawdust vs. sand), two storage methods [anaerobic digestion with lagoon (ADL) vs. slurry storage (SS)], and three regions (R1, R2, R3). RuFaS predictions were responsive to changes in scenario conditions, with whole farm greenhouse gas (GHG) emissions ranging from 1.23 ± 4.64 × 10−3 to 1.61 ± 9.45 × 10−3 kg CO2-eq/kg fat-and protein-corrected milk (FPCM). Regional variations influenced whole herd enteric CH4 intensity, with R2 scenarios showing the highest emissions (0.472 ± 3.65 × 10−3 kg CO2-eq/kg FPCM), followed by R1 (0.458 ± 4.19 × 10−3 kg CO2-eq/kg FPCM) and R3 (0.449 ± 3.45 × 10−3 kg CO2-eq/kg FPCM), driven by differences in dry matter intake, and milk production and composition. Manure storage methods also impacted emissions, with ADL scenarios producing 0.146 kg CO2-eq/kg FPCM lower whole farm GHG emissions than SS scenarios, due to the combined effects of reduced manure storage CH4 emissions associated with anaerobic digestion and associated increased NH3 emissions and subsequent indirect N2O emissions. These findings highlight the complex interactions among RuFaS model components and confirm its ability to support effective comparisons of manure management practices to meet specific stakeholder needs. Our transdisciplinary MBSE approach provides a robust framework for ongoing RuFaS evaluation, ensuring alignment with stakeholder requirements. This study represents a pioneering milestone in the application of MBSE to agricultural system model development, highlighting its potential to advance decision-making in sustainable dairy farm management.
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spelling doaj-art-e0f1d4aac404471aaecd5c7cad03a5552025-08-25T05:25:24ZengFrontiers Media S.A.Frontiers in Sustainability2673-45242025-08-01610.3389/frsus.2025.15614531561453Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems modelHaowen Hu0Clifford A. Whitcomb1Thomas E. Ploetz2Kristan F. Reed3Kristan F. Reed4Department of Animal Science, Cornell University, Ithaca, NY, United StatesSystems Engineering Program, Cornell University, Ithaca, NY, United StatesSystems Engineering Program, Cornell University, Ithaca, NY, United StatesDepartment of Animal Science, Cornell University, Ithaca, NY, United StatesUSDA-Dairy Forage Research Center, Madison, WI, United StatesThis study adopts a transdisciplinary model-based systems engineering (MBSE) approach to support the development of the Ruminant Farm Systems (RuFaS) model, an advanced on-farm decision support tool. Using the cloud-based MBSE platform Innoslate (SPEC Innovations, Manassas, VA), we identified key stakeholders, constructed use cases, defined system boundaries, refined stakeholder requirements, and outlined the system architecture and subsystem interfaces for RuFaS. To demonstrate RuFaS’s ability to meet stakeholder requirements, we selected a specific use case focused on comparing whole farm impacts across different manure management scenarios. For the current case, we defined 12 scenarios from 4 manure management strategies and 3 diet-climate conditions based on U.S. regions. The scenarios included two bedding types (sawdust vs. sand), two storage methods [anaerobic digestion with lagoon (ADL) vs. slurry storage (SS)], and three regions (R1, R2, R3). RuFaS predictions were responsive to changes in scenario conditions, with whole farm greenhouse gas (GHG) emissions ranging from 1.23 ± 4.64 × 10−3 to 1.61 ± 9.45 × 10−3 kg CO2-eq/kg fat-and protein-corrected milk (FPCM). Regional variations influenced whole herd enteric CH4 intensity, with R2 scenarios showing the highest emissions (0.472 ± 3.65 × 10−3 kg CO2-eq/kg FPCM), followed by R1 (0.458 ± 4.19 × 10−3 kg CO2-eq/kg FPCM) and R3 (0.449 ± 3.45 × 10−3 kg CO2-eq/kg FPCM), driven by differences in dry matter intake, and milk production and composition. Manure storage methods also impacted emissions, with ADL scenarios producing 0.146 kg CO2-eq/kg FPCM lower whole farm GHG emissions than SS scenarios, due to the combined effects of reduced manure storage CH4 emissions associated with anaerobic digestion and associated increased NH3 emissions and subsequent indirect N2O emissions. These findings highlight the complex interactions among RuFaS model components and confirm its ability to support effective comparisons of manure management practices to meet specific stakeholder needs. Our transdisciplinary MBSE approach provides a robust framework for ongoing RuFaS evaluation, ensuring alignment with stakeholder requirements. This study represents a pioneering milestone in the application of MBSE to agricultural system model development, highlighting its potential to advance decision-making in sustainable dairy farm management.https://www.frontiersin.org/articles/10.3389/frsus.2025.1561453/fullmodel-based systems engineeringtransdisciplinary engineeringsustainabilitydairymanure managementRuFaS
spellingShingle Haowen Hu
Clifford A. Whitcomb
Thomas E. Ploetz
Kristan F. Reed
Kristan F. Reed
Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems model
Frontiers in Sustainability
model-based systems engineering
transdisciplinary engineering
sustainability
dairy
manure management
RuFaS
title Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems model
title_full Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems model
title_fullStr Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems model
title_full_unstemmed Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems model
title_short Transdisciplinary model-based systems engineering in the development of the Ruminant Farm Systems model
title_sort transdisciplinary model based systems engineering in the development of the ruminant farm systems model
topic model-based systems engineering
transdisciplinary engineering
sustainability
dairy
manure management
RuFaS
url https://www.frontiersin.org/articles/10.3389/frsus.2025.1561453/full
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AT cliffordawhitcomb transdisciplinarymodelbasedsystemsengineeringinthedevelopmentoftheruminantfarmsystemsmodel
AT thomaseploetz transdisciplinarymodelbasedsystemsengineeringinthedevelopmentoftheruminantfarmsystemsmodel
AT kristanfreed transdisciplinarymodelbasedsystemsengineeringinthedevelopmentoftheruminantfarmsystemsmodel
AT kristanfreed transdisciplinarymodelbasedsystemsengineeringinthedevelopmentoftheruminantfarmsystemsmodel