Search Results - "Gates, R.S."

Air temperature, carbon dioxide, and ammonia assessment inside a commercial cage layer barn with manure-drying tunnels by Zheng, W., Xiong, Y., Gates, R.S., Wang, Y., Koelkebeck, K.W.

“…Understanding the air temperature distribution, ammonia (NH3) and carbon dioxide (CO2) levels in poultry housing systems are crucial to poultry health,…”
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Effects of heat stress on pullet cloacal and body temperature by Cândido, M.G.L., Tinôco, I.F.F., Albino, L.F.T., Freitas, L.C.S.R., Santos, T.C., Cecon, P.R., Gates, R.S.

“…One measure of the thermal status of poultry is cloacal temperature measured with a cloacal thermometer; however, this method requires handling the bird, is…”
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Evaluating draft Environmental Protection Agency emissions models for broiler operations by Li, G., Gates, R.S., Xiong, Y., Ramirez, B.C., Burns, R.T.

“…In August 2021, the U.S. Environmental Protection Agency (EPA) released draft models to estimate daily NH3, H2S, PM2.5, PM10, and total suspended particulates…”
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Environmental impacts and sustainability of egg production systems by Xin, H, Gates, R.S, Green, A.R, Mitloehner, F.M, Moore, P.A. Jr, Wathes, C.M

“…As part of a systemic assessment toward social sustainability of egg production, we have reviewed current knowledge about the environmental impacts of egg…”
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Productive performance and surface temperatures of Japanese quail exposed to different environment conditions at start of lay by Santos, T C, Gates, R S, Tinôco, I F F, Zolnier, S, Rocha, K S O, Freitas, L C S R

“…The objective of this study was to evaluate the effects of different environment conditions on productive performance and surface temperatures of Japanese…”
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Boundary lubricating films: formation and lubrication mechanism by Hsu, S.M., Gates, R.S.

“…Boundary lubricating films are critical in effective lubrication of engine components. Their formation mechanism is not fully understood due to the lack of…”
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Commissioning an animal preference chamber for behavioral studies with laying hens exposed to atmospheric ammonia by Sales, G.T, Green, A.R, Gates, R.S

“…•An automated environmental preference chamber (EPC) was built and commissioned.•The EPC design helped attenuate infiltration between interconnected…”
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Method for measuring ammonia emissions from poultry houses by Gates, R.S, Xin, H, Casey, K.D, Liang, Y, Wheeler, E.F

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The effect of dietary crude protein on growth, ammonia concentration, and litter composition in broilers by Ferguson, N.S. (University of Natal, Scottsville, South Africa.), Gates, R.S, Taraba, J.L, Cantor, A.H, Pescatore, A.J, Ford, M.J, Burnham, D.J

“…An experiment was conducted to determine the effect of diets with reduced CP and supplemental amino acids on broiler performance, N excretion, litter…”
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The effect of dietary protein and phosphorus on ammonia concentration and litter composition in broilers by Ferguson, N.S. (University of Natal, Scottsville, South Africa.), Gates, R.S, Taraba, J.L, Cantor, A.H, Pescatore, A.J, Straw, M.L, Ford, M.J, Burnham, D.J

“…An experiment was conducted to determine whether broiler litter concentration of N and P and equilibrium NH3 gas concentration can be reduced by reducing…”
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Psychrometric and ventilation constraints for vapor pressure deficit control by Zolnier, S, Gates, R.S, Buxton, J, Mach, C

“…Constraints on air temperature, dewpoint temperature and ventilation rate in plant growth and propagation chambers under vapor pressure deficit (VPD) control…”
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Controlled Water Table Irrigation System Effect on Growing Medium Water Potential by Mach, C.A, Buxton, J.W, Gates, R.S

“…The CWT irrigation system consists of a capillary mat placed on a level bench so one side extends over the edge of the bench into a trough containing a…”
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Measuring gas emissions from livestock buildings: A review on uncertainty analysis and error sources by Calvet, Salvador, Gates, Richard S., Zhang, GuoQiang, Estellés, Fernando, Ogink, Nico W.M., Pedersen, Søren, Berckmans, Daniel

“…Measuring gaseous and particulate emissions from livestock houses has been the subject of intensive research over the past two decades. Currently, there is…”
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Effect of cooled perches on physiological parameters of caged White Leghorn hens exposed to cyclic heat by Hu, J Y, Hester, P Y, Makagon, M M, Xiong, Y, Gates, R S, Cheng, H W

“…We assessed the effects of water-chilled perches as a cooling device on the physiological parameters of caged laying hens exposed to 2 cyclic heating episodes…”
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Effect of cooled perches on the efficacy of an induced molt in White Leghorn laying hens previously exposed to heat stress by Hu, J.Y., Hester, P.Y., Xiong, Y, Gates, R.S., Makagon, M.M., Cheng, H.W.

“…This study examined the effect of water-chilled perches on hen production and physiological responses to induced molt during elevated temperatures. A total of…”
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Effect of cooled perches on performance, plumage condition, and foot health of caged White Leghorn hens exposed to cyclic heat by Hu, J Y, Hester, P Y, Makagon, M M, Xiong, Y, Gates, R S, Cheng, H W

“…We examined the effects of water-chilled perches as cooling devices on hen performance during 2 summers using daily cyclic heat. White Leghorns, 17 wk of age,…”
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Design and performance evaluation of the upgraded portable monitoring unit for air quality in animal housing by Ji, B., Zheng, W., Gates, R.S., Green, A.R.

“…•Upgraded Portable Monitoring Unit (PMU) to iPMU with online processing capability.•Selected commercial electrochemical NH3 sensor to replace original obsolete…”
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Effects of carbon dioxide on turkey poult performance and behavior by Cândido, M G L, Xiong, Y, Gates, R S, Tinôco, I F F, Koelkebeck, K W

“…Abstract Appropriate ventilation of poultry facilities is critical for achieving optimum performance. Ventilation promotes good air exchange to remove harmful…”
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Quantifying detection performance of a passive low-frequency RFID system in an environmental preference chamber for laying hens by Sales, G.T., Green, A.R., Gates, R.S., Brown-Brandl, T.M., Eigenberg, R.A.

“…•RFID system evaluated for ability to detect hens entering and leaving a space.•System limited to scan every 15s, no anti-collision processing.•RFID…”
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Cooled perch effects on performance and well-being traits in caged White Leghorn hens by Hu, J Y, Hester, P Y, Makagon, M M, Vezzoli, G, Gates, R S, Xiong, Y J, Cheng, H W

“…We assessed the effects of chilled water cooling perches on hen performance and physiological and behavioral parameters under "natural" high temperatures…”
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