Search Results - "Utsumi, Santiago A"

Estimation of spatial and temporal variability of pasture growth and digestibility in grazing rotations coupling unmanned aerial vehicle (UAV) with crop simulation models by Insua, Juan R, Utsumi, Santiago A, Basso, Bruno

“…Systematic monitoring of pasture quantity and quality is important to match the herd forage demand (pasture removal by grazing or harvest) to the supply of…”
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Daylong acoustic recordings of grazing and rumination activities in dairy cows by Martinez-Rau, Luciano S., Chelotti, José O., Ferrero, Mariano, Utsumi, Santiago A., Planisich, Alejandra M., Vignolo, Leandro D., Giovanini, Leonardo L., Rufiner, H. Leonardo, Galli, Julio R.

“…Monitoring livestock feeding behavior may help assess animal welfare and nutritional status, and to optimize pasture management. The need for continuous and…”
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Fulfilling the promise of digital tools to build rangeland resilience by Bestelmeyer, Brandon T, McCord, Sarah E, Browning, Dawn M, Burkett, Laura M, Elias, Emile, Estell, Rick E, Herrick, Jeffrey E, James, Darren, Spiegal, Sheri, Utsumi, Santiago A, Webb, Nicholas P, Williamson, Jeb

“…The world's rangelands and drylands are undergoing rapid change, and consequently are becoming more difficult to manage. Big data and digital technologies…”
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An online method for estimating grazing and rumination bouts using acoustic signals in grazing cattle by Chelotti, José O., Vanrell, Sebastián R., Martinez Rau, Luciano S., Galli, Julio R., Planisich, Alejandra M., Utsumi, Santiago A., Milone, Diego H., Giovanini, Leonardo L., Rufiner, H. Leonardo

“…[Display omitted] •An online method is proposed to analyze the foraging behavior of free grazing cattle.•Its low computational cost allows real-time execution…”
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A robust computational approach for jaw movement detection and classification in grazing cattle using acoustic signals by Martinez-Rau, Luciano S., Chelotti, José O., Vanrell, Sebastián R., Galli, Julio R., Utsumi, Santiago A., Planisich, Alejandra M., Rufiner, H. Leonardo, Giovanini, Leonardo L.

“…•A novel algorithm for monitoring the livestock grazing behavior i s proposed.•The three basic grazing events are detected and classified using acoustic…”
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A real-time algorithm for acoustic monitoring of ingestive behavior of grazing cattle by Chelotti, José O., Vanrell, Sebastián R., Milone, Diego H., Utsumi, Santiago A., Galli, Julio R., Rufiner, H. Leonardo, Giovanini, Leonardo L.

“…•A novel algorithm for monitoring the livestock grazing behavior is proposed.•The three basic grazing events are detected and classified using acoustic…”
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A regularity-based algorithm for identifying grazing and rumination bouts from acoustic signals in grazing cattle by Vanrell, Sebastián R., Chelotti, José O., Galli, Julio R., Utsumi, Santiago A., Giovanini, Leonardo L., Rufiner, H. Leonardo, Milone, Diego H.

“…•An algorithm based on autocorrelation is proposed to analyze the foraging behavior of free-ranging cattle.•Regularity of foraging behavior is exploited for…”
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Resource heterogeneity and foraging behaviour of cattle across spatial scales by Utsumi, Santiago A, Cangiano, Carlos A, Galli, Julio R, McEachern, Mary B, Demment, Montague W, Laca, Emilio A

“…Understanding the mechanisms that influence grazing selectivity in patchy environments is vital to promote sustainable production and conservation of…”
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Field indicators of leaf nutritive value for perennial ryegrass and tall fescue pastures under different growing and management conditions by Insua, Juan Ramón, Garcia, Sergio Carlos, Berone, Germán Darío, Basso, Bruno, Utsumi, Santiago A.

“…Field indicators of forage nutritive value could help farmers with rapid management decisions to optimize timing and intensity of grazing and meet objectives…”
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Influence of Plant Material Handling Protocols on Terpenoid Profiles of One-Seed Juniper Saplings by Utsumi, Santiago A., Cibils, Andrés F., Estell, Rick E., Wang, Yuan-Feng

“…Accurate estimation of one-seed juniper (Juniperus monosperma [Engelm.] Sarg.) intake by herbivores often requires harvesting, transporting, and storing plant…”
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Controlling One-Seed Juniper Saplings with Small Ruminants: What We Have Learned by Estell, Rick E, Cibils, Andres F, Utsumi, Santiago A, Stricklan, Dave, Butler, Elizabeth M, Fish, Alyssa I, Ganguli, Amy C

“…Protein supplements and polyethylene glycol increased juniper intake by small ruminants in all seasons except fall, when PSM concentrations were greatest…”
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Seasonal changes in one seed juniper intake by sheep and goats in relation to dietary protein and plant secondary metabolites by Utsumi, Santiago A., Cibils, Andrés F., Estell, Richard E., Soto-Navarro, Sergio A., Van Leeuwen, Dawn

“…Plant secondary metabolites (PSM) and nutrients can influence patterns of feed intake of small ruminants. Their effects depend on the type and amounts of PSM…”
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One-Seed Juniper Sapling Use by Goats in Relation to Stocking Density and Mixed Grazing With Sheep by Utsumi, Santiago A., Cibils, Andres F., Estell, Richard E., Baker, Terrell T., Walker, John W.

“…Suppression of one-seed juniper (Juniper monosperma [Englem.] Sarg.) reinvasion with goats requires achieving levels of defoliation of newly established…”
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Assessing and Modeling Pasture Growth under Different Nitrogen Fertilizer and Defoliation Rates in Argentina and the United States by Insua, Juan R., Utsumi, Santiago A., Basso, Bruno

“…Core Ideas Model‐based approach identified sets of adaptive practices for pasture management across seasons. Suitable combinations of N rate and residual…”
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Estimation of spatial and temporal variability of pasture growth and digestibility in grazing rotations coupling unmanned aerial vehicle by Insua, Juan R, Utsumi, Santiago A, Basso, Bruno

“…Systematic monitoring of pasture quantity and quality is important to match the herd forage demand (pasture removal by grazing or harvest) to the supply of…”
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PSX-12 Implementation of virtual fencing technology to build resiliency of agriculture systems impacted by wildfire and subsequent flooding by Ochoa, Luis, Utsumi, Santiago A, Marta, Sara, Perea, Andres Ricardo, Spetter, Maximiliano J, Ward, Marcy, Spackman, Casey, Cram, Doug, Gifford, Craig A

“…The Southwestern U.S. has experienced frequent drought over the past 30 yr, and wildfire frequency and intensity has been increasing which threatens western…”
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PSX-8 Genetic characterization of Raramuri Criollo cattle introduced into the Southwestern United States by Spetter, Maximiliano J, Estell, Rick E, Utsumi, Santiago A, Armstrong, Eileen, Jara, Eugenio, Ross, Pablo, Macon, Lara, Perea, Andres Ricardo, Cox, Andrew, Spiegal, Sheri A

“…The Raramuri Criollo (RC) is a heritage cattle biotype preserved with minimal selection or crossbreeding for nearly five centuries by the Tarahumara…”
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Foraging behavior of Argentine Criollo and Angus cows grazing semi-desert rangelands in the Arid Gran Chaco region of Argentina by Herrera Conegliano, Oscar A., Blanco, Lisandro J., Utsumi, Santiago A., Cibils, Andres F., Cendoya, Maria G., Jaimes, Florencia, Moltoni, Andres F., Ricci, Patricia

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PSXII-1 Comparative analysis of the training response of Raramuri Criollo and Angus Cattle to virtual fencing by Perea, Andres Ricardo, Macon, Lara, Dunlap, Robby, Funk, Micah, Winkler, Parker, Campa-Madrid, Sara E, Spetter, Maximiliano J, Filbert, Meghan, Cibils, Andres, Estell, Rick E, Duff, Glenn C, VanLeeuwen, Dawn, Utsumi, Santiago A

“…Virtual fencing (VF) collars rely on GPS tracking and audio warning-electric cueing to exclude or contain livestock inside geofencing zones. Behavioral…”
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PSXII-2 Real-time detection of parturition in beef cows managed on extensive rangeland pasture by Perea, Andres Ricardo, Cox, Andrew, Funk, Micah, Rahman, Sajidur, Chen, Huiying, Wang, Yuxi, Campa-Madrid, Sara E, Spetter, Maximiliano J, Bakir, Mehmet, Cao, Huiping, Cibils, Andres, Estell, Rick E, Duff, Glenn C, Utsumi, Santiago A

“…Parturition is a critical event in the beef production cycle and timely detection is extremely difficult to monitor when cows are managed on large rangeland…”
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