Feedlot Systems | AgNext | Colorado State University

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AgNext’s feedlot research advances the efficiency, health, and sustainability of beef production by delivering practical, science-based solutions tailored to industry needs. Through rigorous evaluation of nutrition and management strategies in both scientific and commercial settings, this work enhances cattle performance, carcass quality, and profitability.

AgNext Feedlot Systems Research Publications

Translational Animal Science cover

Estimation of the sample size to determine gas flux in finishing steers under confined conditions using alternative statistical approaches

Journal of Thermal Biology cover

Expression profile of heat shock proteins, (chemo)cytokines, and tight junction proteins in hair follicles of Bos taurus and Bos indicus breeds reared under two production systems during summer season

Animal Open Science cover

Data paper: Dataset for evaluating the prediction of models of enteric methane emissions in finishing steers

Journal of Animal Science cover

Evaluation of an Aspergillus oryzae-based feed additive on enteric methane emissions and nutrient digestibility in growing steers fed a corn silage-based diet

Journal of Dairy Science cover

Evaluation of body weight prediction equations and development of morphological models for day-old beef-on-dairy calves

Journal of Animal Science cover

Residual methane emission determination and classification of growing steers during the backgrounding and finishing phases

Journal of Animal Science cover

Evaluation of cattle sub-species and growth-promoting technology on growth performance, carcass characteristics, and gas flux of steers finished in summer feedlot conditions

Translational Animal Science cover

Use of animal performance and gas flux for estimating dry matter intake in growing steers

Revista Brasileira de Zootecnia cover

Effect of copaiba oil on intake, apparent nutrient digestibility, ruminal fermentation, nitrogen balance, and growth performance of lambs in confined conditions

Journal of Animal Science cover

Assessing the effects of supplementation with a Saccharomyces cerevisiae fermentation-derived postbiotic on methane production, ruminal fermentation, and nutrient utilization in beef cattle

The Journal of Agricultural Science cover

Employing direct-fed microbial and hydrolysed yeast to modulate in vitro ruminal fermentation parameters of medium- and low-quality forages

Animals cover

Narasin Supplementation Enhances Growth Performance in Grazing Cattle

Animal cover

Evaluation of models of enteric methane emissions in finishing steers

Crop Science cover

Evidence of long-distance clonal spreading and low genomic diversity of Kikuyu grass from highland livestock farms after a century of intentional introduction in Colombia

Dietary Strategies to Reduce Enteric Methane Emissions from Ruminants in Confined and Grazing Systems

Journal of Animal Science cover

Evaluation of the residual feed intake on carcass and meat quality traits of Nellore bulls: A biochemical and molecular approach

Journal of Animal Science cover

Beef cattle phenotypic plasticity and stability of dry matter intake and respiration rate across varying levels of temperature humidity index

Journal of Animal Science cover

Influence of Biochar supplementation on comparative growth-performance and carcass characteristics of Angus x Holstein vs Charolais x Holstein calf-fed steers

Journal of Animal Science cover

Enteric methane emission classification and ranking of growing steers during the backgrounding and finishing phases

Veterinary Sciences cover

Effects of Production System With or Without Growth-Promoting Technologies on Growth and Blood Expression of (Cyto)Chemokines and Heat Shock and Tight Junction Proteins in Bos taurus and indicus Breeds During Summer Season.

BMC Genomics cover

Muscle tissue transcriptome of F1 Angus-Nellore bulls and steers feedlot finished: impacts on intramuscular fat deposition

Animals cover

Effect of Cashew Nutshell Extract, Saponins and Tannins Addition on Methane Emissions, Nutrient Digestibility and Feeding Behavior of Beef Steers Receiving a Backgrounding Diet

Tropical Animal Health and Production cover

Performance, nutrient utilization and meat quality traits in Bos indicus cattle: a meta-analysis examining the effect of residual feed intake

Journal of Dairy Science cover

Association of morbidity, mortality, and average daily gain with transfer of passive immunity in dairy-beef crossbred calves up to 60 d of life

Grass and Forage Science cover

Examining the role of ruminants in sustainable food systems

Translational Animal Science cover

Determination of gas flux and animal performance test duration of growing cattle in confined conditions

Journal of Animal Science cover

Influence of low-level tannin supplementation on comparative growth-performance of Holstein and Angus x Holstein cross calf-fed concentrate-based finishing diets for 328 days

Translational Animal Science cover

Influence of metabolizable protein and methionine supplementation on growth-performance of Holstein steer calves during the initial 112-d feedlot growing phase

Heritability and variance component estimation for feed and water intake behaviors of feedlot cattle

Heat Stress Mitigation Strategies in Feedyards: Use, Perceptions, and Experiences of Industry Stakeholders

AgNext Feedlot Systems Team

Picture of Sara Place, Ph.D.

Sara Place, Ph.D.

Assistant Professor of Feedlot Systems

Picture of Juan Vargas, Ph.D.

Juan Vargas, Ph.D.

Sustainable Beef Cattle Systems Postdoctoral Fellow

Pedro Carvalho, Ph.D.

Assistant Professor and Feedlot Specialist

Picture of Maya Swenson

Maya Swenson

Graduate Student

Picture of Kim Stackhouse-Lawson, Ph.D.

Kim Stackhouse-Lawson, Ph.D.

Director

Picture of Daniela Alvarado

Daniela Alvarado

Research Scholar