A5075760641- Ruminant Nutrition and Digestive Physiology
- Genetic and phenotypic traits in livestock
- Effects of Environmental Stressors on Livestock
- Reproductive Physiology in Livestock
- Agriculture Sustainability and Environmental Impact
- Animal Behavior and Welfare Studies
- Muscle metabolism and nutrition
- Milk Quality and Mastitis in Dairy Cows
- Animal Nutrition and Physiology
- Meat and Animal Product Quality
- Veterinary Equine Medical Research
- Soil and Water Nutrient Dynamics
- Food Supply Chain Traceability
- Diet and metabolism studies
- Plant and fungal interactions
- Infant Nutrition and Health
- Animal health and immunology
- Food Waste Reduction and Sustainability
- Probiotics and Fermented Foods
- Animal Genetics and Reproduction
- Smart Agriculture and AI
- Hydrological Forecasting Using AI
- Animal Nutrition and Health
- Economic and Environmental Valuation
- Nutritional Studies and Diet
Virginia Tech
2016-2025
Johns Hopkins University School of Advanced International Studies
2023
Emerald Group Publishing (United Kingdom)
2023
Universidad Complutense de Madrid
2023
Johns Hopkins University – Nanjing University Center for Chinese and American Studies
2023
Pennsylvania State University
2018-2022
Carl Zeiss (United States)
2022
Purdue University West Lafayette
2018
Universidad de Antioquia
2018
Virginia–Maryland College of Veterinary Medicine
2017
As a major contributor to agricultural greenhouse gas (GHG) emissions, it has been suggested that reducing animal agriculture or consumption of animal-derived foods may reduce GHGs and enhance food security. Because the total removal animals provides extreme boundary potential mitigation options requires fewest assumptions model, yearly nutritional GHG impacts eliminating from US were quantified. Animal-derived currently provide energy (24% total), protein (48%), essential fatty acids...
Abstract Precision livestock farming (PLF) offers a strategic solution to enhance the management capacity of large animal groups, while simultaneously improving profitability, efficiency, and minimizing environmental impacts associated with production systems. Additionally, PLF contributes optimizing ability manage monitor welfare providing solutions global grand challenges posed by growing demand for products ensuring food security. By enabling return “per animal” approach harnessing...
Abstract Precision technologies for confinement animal agricultural systems have increased rapidly over the past decade, though precision technology solutions pastured livestock remain limited. There are a number of reasons this limited expansion animals, including networking availability and reliability, power requirements, expense, among others. The objective work was to demonstrate deployable long-range radio (LoRa) based, low-cost sensor suite that can be used track location activity...
Abstract The objective of this study was to investigate the effect short-term elevated ambient temperature on ruminal volatile fatty acid (VFA) dynamics and rumen epithelium gene expression associated with transport metabolism VFA. Eight ruminally cannulated Holstein heifers (200 kg) were used in a factorial, repeated measures experiment two treatments periods. During first period, animals provided feed ad libitum housed at 20 °C. second one group (HS) 30 °C fed libitum. other (PF) pair-fed...
Abstract Although numerous studies exist relating ruminal volatile fatty acid (VFA) concentrations to diet composition and animal performance, minimal information is available describing how VFA dynamics respond diets within the context of whole rumen environment. The objective this study was characterize protein fiber sources affect dry matter intake, pH, fluid dynamics, fermentation parameters, epithelial gene expression. Four treatments (soybean meal or heat-treated soybean beet pulp...
Abstract Forage plays a critical role in the milk production of dairy cows; however, mechanisms regulating bovine synthesis cows fed high forage rations with different basal types are not well-understood. In study, rice straw (RS, low-quality) and alfalfa hay (AH, high-quality) diets were to lactating explore how quality affected molecular using RNA-seq transcriptomic method iTRAQ proteomic technique. A total 554 transcripts (423 increased 131 decreased) 517 proteins (231 up-regulated 286...
The objective of this study was to assess environmental impact, economic viability, and social acceptability 3 beef production systems with differing levels efficiency. A deterministic model U.S. used predict the number animals required produce 1 × 10(9) kg HCW beef. Three treatments were compared, representing average (control), a 15% increase in ADG, finishing weight (FW). For each treatment, various socioeconomic scenarios compared account for uncertainty producer consumer behavior....
This work evaluated the National Research Council (NRC) dairy model (2001) predictions of rumen undegradable (RUP) and degradable (RDP) protein compared with measured postruminal non-ammonia, nonmicrobial (NANMN) microbial N flows. Models were using root mean squared prediction error (RMSPE) as a percent observed mean, slope biases percentages (MSPE), concordance correlation coefficient (CCC). The NRC over-estimated NANMN by 18% under-estimated 14%. Both responses had large (19% 20% MSPE,...
Abstract Background Volatile fatty acids (VFA) generated from ruminal fermentation by microorganisms provide up to 75% of total metabolizable energy in ruminants. Ruminal pH is an important factor affecting the profile and production VFA shifting microbial community. However, how affects community its relationship with expression genes encoding carbohydrate-active enzyme (CAZyme) for fiber degradation are not well investigated. To fill this knowledge gap, six cannulated Holstein heifers were...
Globally, ruminant production systems used to synthesize meat and milk differ tremendously in terms of their efficiency, productivity, environmental impacts. Regardless this variability, has been repeatedly identified as an essential source nutrients for humans. The objective work was characterize global contributions fluid human food nutrient supplies, greenhouse gas emissions, water withdrawal. Data were leveraged from the United Nations Food Agriculture Organization estimate supplies...
Abstract Labor shortages in the United States are impacting a number of industries including meat processing sector. Collaborative technologies that work alongside humans while increasing production abilities may support industry by enhancing automation and improving job quality. However, existing used have limited collaboration potential, low flexibility, high cost. The objective this was to explore use robot arm collaboratively human complete tasks performed facility. Toward objective, we...