Foraging behavior and body temperature of heritage vs. commercial beef cows in relation to desert ambient heat

Nyamuryekung’e, Shelemia; Cibils, Andrés F.; Estell, Richard E.; McIntosh, Matthew M.; VanLeeuwen, Dawn; Steele, C. M.; González, Alfredo; Spiegal, Sheri; Reyes, Leonel Avendaño; Rodríguez-Almeida, Felipe Alonso; Anderson, Martha C.

doi:10.1016/j.jaridenv.2021.104565

Cited by 10 publications

(4 citation statements)

References 57 publications

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“…42 Moreover, environmental sensors such as weather stations, capable of recording temperature and humidity data, can identify instances of heat stress through calculated temperature humidity index values, serving as indicators of stress levels affecting the overall herd. 39,45 Additionally, rain gauge sensors can provide insights into forage quality and quantity when properly calibrated, offering a comprehensive picture of the environment's effect on livestock conditions. 39,42…”

Section: Precision Livestock Management As a Potential Solution For E...mentioning

confidence: 99%

“…As a result, these insights enable a detailed analysis of the animal's operational state with reasonable accuracy. 41,43,45 Moreover, it is worth emphasizing that the broader the range of production efficiency-related information addressed by an individual PLM application, the more advantageous the cost-benefit ratio becomes.…”

Section: Precision Livestock Management As a Potential Solution For E...mentioning

confidence: 99%

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Transforming ranching: Precision livestock management in the Internet of Things era

Nyamuryekung'e

2024

Rangelands

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Section: Precision Livestock Management As a Potential Solution For E...mentioning

confidence: 99%

Section: Precision Livestock Management As a Potential Solution For E...mentioning

confidence: 99%

Transforming ranching: Precision livestock management in the Internet of Things era

Nyamuryekung'e

2024

Rangelands

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“…Integrating these unobtrusive telemetry devices has enabled the scientific community to gain insights into the behaviors of different animals in their natural settings [ 1 , 2 , 3 , 4 ]. For instance, studies performed on cattle grazing on extensive rangelands using GPS loggers have documented animal movement in correlation with foraging activities influenced by resource distribution, in their search for thermal comfort, to avoid predator presence in their environment or other essential activities [ 3 , 5 , 6 , 7 ]. Hence, the mobility of animals within their environment is crucial for their survival, as they respond to various biotic and abiotic stimuli.…”

Section: Introductionmentioning

confidence: 99%

“…Animal welfare is a multidimensional concept related to the repertoire of behaviors performed by an animal in its natural state that promote ‘normal’ biological functions [ 20 , 24 ]. Therefore, the success of the PLF/R application to address animal welfare will depend on the accuracy of sensors to detect changes associated with a deteriorating animal state [ 5 , 18 , 25 ]. For instance, using frequently acquired GPS data to compute daily distance traveled can have direct management implications in addressing animal welfare on extensive cattle production [ 17 , 26 , 27 ].…”

Section: Introductionmentioning

confidence: 99%

Real-Time Monitoring of Grazing Cattle Using LORA-WAN Sensors to Improve Precision in Detecting Animal Welfare Implications via Daily Distance Walked Metrics

Nyamuryekung’e

Duff

Utsumi

et al. 2023

Animals

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Animal welfare monitoring relies on sensor accuracy for detecting changes in animal well-being. We compared the distance calculations based on global positioning system (GPS) data alone or combined with motion data from triaxial accelerometers. The assessment involved static trackers placed outdoors or indoors vs. trackers mounted on cows grazing on pasture. Trackers communicated motion data at 1 min intervals and GPS positions at 15 min intervals for seven days. Daily distance walked was determined using the following: (1) raw GPS data (RawDist), (2) data with erroneous GPS locations removed (CorrectedDist), or (3) data with erroneous GPS locations removed, combined with the exclusion of GPS data associated with no motion reading (CorrectedDist_Act). Distances were analyzed via one-way ANOVA to compare the effects of tracker placement (Indoor, Outdoor, or Animal). No difference was detected between the tracker placement for RawDist. The computation of CorrectedDist differed between the tracker placements. However, due to the random error of GPS measurements, CorrectedDist for Indoor static trackers differed from zero. The walking distance calculated by CorrectedDist_Act differed between the tracker placements, with distances for static trackers not differing from zero. The fusion of GPS and accelerometer data better detected animal welfare implications related to immobility in grazing cattle.

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The LTAR Grazing Land Common Experiment at the Jornada Experimental Range: Old genetics, new precision technologies, and adaptive value chains

Spiegal,

Estell,

Cibils

et al. 2024

J of Env Quality

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Rangelands and the supply chains connected to them are central to the agrifood systems of the Southwestern United States. Local ranchers are simultaneously arid lands managers, herd managers, and marketing managers. To stay in business, they must adapt to unpredictable forage resources and markets while conserving soils and vegetation resources for the long term. As climate warming and drying exacerbate the complexity and difficulty of day‐to‐day production, producers and policymakers are seeking alternatives to “business as usual.” The Long‐Term Agroecosystem Research (LTAR)‐Jornada team has developed a package of strategies to help producers adapt to the local and inter‐regional challenges. The package includes heritage cattle, precision ranching systems, and adaptive value chains. Five ranches across the Southwest have adopted different combinations and are partnering with LTAR and each other to measure their benefits and drawbacks in real‐world conditions. Opportunities for controlled experimentation differ among the ranches, so we use LTAR's indicator system to assess and compare results. Even as we invest in co‐producing knowledge about these three strategies, we recognize that progressive aridification and urbanization of Southwestern rangelands create challenges for which a single “silver bullet” of agricultural innovation is unlikely to provide durable solutions. We are learning from our customers and stakeholders about ways to adjust the development of new options.

show abstract

Foraging behavior and body temperature of heritage vs. commercial beef cows in relation to desert ambient heat

Cited by 10 publications

References 57 publications

Transforming ranching: Precision livestock management in the Internet of Things era

Transforming ranching: Precision livestock management in the Internet of Things era

Real-Time Monitoring of Grazing Cattle Using LORA-WAN Sensors to Improve Precision in Detecting Animal Welfare Implications via Daily Distance Walked Metrics

The LTAR Grazing Land Common Experiment at the Jornada Experimental Range: Old genetics, new precision technologies, and adaptive value chains

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