Search Results - "Purswell, J. L."

Modeling long-distance airborne transmission of highly pathogenic avian influenza carried by dust particles by Nguyen, X. D., Zhao, Y., Lin, J., Purswell, J. L., Tabler, T., Voy, B., Hawkins, S., Evans, J. D.

“…Highly pathogenic avian influenza (HPAI) is continuously causing significant economic losses with massive poultry depopulations. Airborne transmission of HPAI…”
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Stocking density effects on male broilers grown to 1.8 kilograms of body weight by Dozier, W.A. III, Thaxton, J.P, Purswell, J.L, Olanrewaju, H.A, Branton, S.L, Roush, W.B

“…This study examined the effects of stocking density on live performance, physiological stress level indicators, and processing yields of male broilers grown to…”
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A Comparative Study of Live Attenuated F Strain–Derived Mycoplasma gallisepticum Vaccines by Evans, J. D, Leigh, S. A, Purswell, J. L, Jacob, R, Peebles, E. D, Collier, S. D, Branton, S. L

“…Commercially available attenuated strains of Mycoplasma gallisepticum (MG) are commonly used within the layer industry to control MG-induced mycoplasmosis…”
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Application of 3D scanned imaging methodology for volume, surface area, and envelope density evaluation of densified biomass by Igathinathane, C., Davis, J.D., Purswell, J.L., Columbus, E.P.

“…Measurement of volume, surface area, and density is an essential for quantifying, evaluating, and designing the biomass densification, storage, and transport…”
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Serologic Response of Roosters to Gradient Dosage Levels of a Commercially Available Live F Strain-Derived Mycoplasma gallisepticum Vaccine Over Time by Purswell, J. L, Evans, J. D, Branton, S. L

“…Spray application is a commonly used, time- and labor-efficient means to deliver live Mycoplasma gallisepticum (MG) vaccine to laying hens in commercial…”
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Automated measurement of broiler stretching behaviors under four stocking densities via faster region-based convolutional neural network by Li, G., Zhao, Y., Porter, Z., Purswell, J.L.

“…Stretching behavior is one of the broiler comfort behaviors that could be used for animal welfare assessment. However, there is currently no methodology for…”
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Classification of broiler behaviours using triaxial accelerometer and machine learning by Yang, X., Zhao, Y., Street, G.M., Huang, Y., Filip To, S.D., Purswell, J.L.

“…Understanding broiler behaviours provides important implications for animal well-being and farm management. The objectives of this study were to classify…”
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Eye Surface Area and Dosage Rates for Spray Vaccination by Purswell, J. L, Mayer, J. J, Evans, J. D, Branton, S. L, Davis, J. D

“…Spray application of Mycoplasma gallisepticum (MG) vaccines is a labor- and time-saving means of mass vaccination of layer chickens. Recent assessment of spray…”
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Research Note: Age-related effects of feeder space availability on welfare of broilers reared to 56 days of age Part 2: Blood physiological variables by Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L.

“…Consumption of poultry meat has increased dramatically due to the relative price-competitiveness as compared to other meat products. The rapid growth and…”
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Effects of light sources and intensity on broilers grown to heavy weights. Part 1: Growth performance, carcass characteristics, and welfare indices by Olanrewaju, H A, Miller, W W, Maslin, W R, Collier, S D, Purswell, J L, Branton, S L

“…This study investigated the effects of light sources and light intensity on growth performance, carcass characteristics, and welfare indices of heavy broilers…”
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Effects of light-sources and photoperiod on hemato-physiological indices of broilers grown to heavy weights by Olanrewaju, H A, Collier, S D, Purswell, J L, Branton, S L

“…ABSTRACT We evaluated the influence of light sources and photoperiod on blood physiological variables in four trials. In each trial, 720 1-d-old Ross × Ross…”
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Influence of light sources and photoperiod on growth performance, carcass characteristics, and health indices of broilers grown to heavy weights by Olanrewaju, H A, Miller, W W, Maslin, W R, Collier, S D, Purswell, J L, Branton, S L

“…Effects of light sources and photoperiod on growth performance, carcass characteristics and health indices of broilers were investigated in 4 trials. In each…”
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Effect of light intensity adjusted for species-specific spectral sensitivity on blood physiological variables of male broiler chickens by Olanrewaju, H A, Purswell, J L, Collier, S D, Branton, S L

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An ultra-high frequency radio frequency identification system for studying individual feeding and drinking behaviors of group-housed broilers by Li, G., Zhao, Y., Hailey, R., Zhang, N., Liang, Y., Purswell, J. L.

“…Radio frequency identification (RFID) technology offers a real-time solution to monitor behavioral responses of individual animals to various stimuli, which…”
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Effects of color temperatures (kelvin) of LED bulbs on growth performance, carcass characteristics, and ocular development indices of broilers grown to heavy weights by Olanrewaju, H A, Purswell, J L, Maslin, W R, Collier, S D, Branton, S L

“…Limited data are available for comparing light-emitting diode (LED) bulbs that are currently available in commercial broiler production facilities. We…”
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A Chronicle of Serologic Response in Commercial Layer Chickens to Vaccination with Commercial F Strain Mycoplasma gallisepticum Vaccine by Branton, S. L, Leigh, S. A, Purswell, J. L, Evans, J. D, Collier, S. D, Olanrewaju, H. A, Pharr, G. T

“…Vaccination of multi-age layer operations, wherein one million plus commercial layer chickens are housed, has been spurious until the development of a…”
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Effects of color temperatures (Kelvin) of LED bulbs on blood physiological variables of broilers grown to heavy weights by Olanrewaju, H A, Purswell, J L, Collier, S D, Branton, S L

“…Light-emitting diode (LED) lighting is being used in the poultry industry to reduce energy usage in broiler production facilities. However, limited data are…”
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Effect of Selected Water Temperatures Used in Mycoplasma gallisepticum Vaccine Reconstitution on Titer at Selected Time Intervals by Branton, S. L, Leigh, S. A, Roush, W. B, Purswell, J. L, Olanrewaju, H. A, Collier, S. D

“…Numerous methods are currently used throughout the poultry industry for the administration of vaccines. Each utilizes water for vaccine reconstitution and/or…”
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Interactive effects of photoperiod and light intensity on blood physiological and biochemical reactions of broilers grown to heavy weights by Olanrewaju, H A, Purswell, J L, Collier, S D, Branton, S L

“…The effects of photoperiod, light intensity, and their interaction on blood acid-base balance, metabolites, and electrolytes in broiler chickens under…”
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Physiological responses of feedlot heifers provided access to different levels of shade by Brown-Brandl, T. M., Chitko-McKown, C. G., Eigenberg, R. A., Mayer, J. J., Welsh, T. H., Davis, J. D., Purswell, J. L.

“…Heat stress has a significant impact on all livestock and poultry species causing economic losses and animal well-being concerns. Providing shade is one…”
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