Search Results - "Feddes, J J R"

Total Dust and Endotoxin in Poultry Operations: Comparison Between Cage and Floor Housing and Respiratory Effects in Workers by Kirychuk, S. P., Dosman, J. A., Reynolds, S. J., Willson, P., Senthilselvan, A., Feddes, J. J. R., Classen, H. L., Guenter, W.

“…Objective: The objective of this study was to assess respiratory outcomes and environmental exposure levels of workers in cage-housed and floorhoused poultry…”
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Development of an integrated sensor to measure odors by Qu, Guoliang, Omotoso, Moremi M, Gamal El-Din, Mohamed, Feddes, John J. R

“…Odorous air samples collected from several sources were presented to an olfactometer, an electronic nose, a hydrogen sulfide (H₂S) detector and an ammonia…”
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Preliminary investigation of air bubbling and dietary sulfur reduction to mitigate hydrogen sulfide and odor from swine waste by Clark, O.G, Morin, B, Zhang, Y, Sauer, W.C, Feddes, J.J.R

“…When livestock manure slurry is agitated, the sudden release of hydrogen sulfide (H2S) can raise concentrations to dangerous levels. Low-level air bubbling and…”
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The design and use of the Personal Environmental Sampling Backpack (PESB II) for activity-specific exposure monitoring of career pig barn workers by Wenger, I I, Ouellette, C A, Feddes, J J R, Hrudey, S E

“…Career pig barn workers in large confinement barns are exposed to airborne contaminants that need to be quantified. Monitoring instrumentation had to be…”
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Respiratory symptoms and lung function in poultry confinement workers in Western Canada by Kirychuk, Shelley P, Senthilselvan, Ambikaipakan, Dosman, James A, Juorio, Victor, Feddes, John J R, Willson, Philip, Classen, Henry, Reynolds, Stephen J, Guenter, Wilhelm, Hurst, Thomas S

“…To determine whether poultry production methods impact respiratory health, and whether poultry farmers have more respiratory symptoms and lower lung function…”
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Influence of carbon and buffer amendment on ammonia volatilization in composting by Liang, Y., Leonard, J.J., Feddes, J.J.R., McGill, W.B.

“…Laboratory-scale experiments were carried out to test a mathematical model of the nitrogen dynamics in a composting process. The main ingredients of composting…”
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Odour emissions, hedonic tones and ammonia emissions from three cage layer housing systems by Fournel, S., Pelletier, F., Godbout, S., Lagacé, R., Feddes, J.J.R.

“…Odours from animal facilities can negatively affect the quality of life of nearby residents leading to conflicts between neighbours. Ammonia (NH3) is…”
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Bone Mineral Density and Breaking Strength of White Leghorns Housed in Conventional, Modified, and Commercially Available Colony Battery Cages by Jendral, M.J, Korver, D.R, Church, J.S, Feddes, J.J.R

“…Limited opportunity for movement and load-bearing exercise for conventionally caged laying hens leads to bone loss and increased susceptibility to…”
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Effect of Broiler Breeder Genetic Strain and Parent Flock Age on Eggshell Conductance and Embryonic Metabolism by Hamidu, J.A, Fasenko, G.M, Feddes, J.J.R, O'Dea, E.E, Ouellette, C.A, Wineland, M.J, Christensen, V.L

“…The effect of genetic strain (Ross 308; Cobb 500) and parent flock age [young (29 wk), peak (Ross = 34 wk; Cobb = 36 wk), postpeak (40 wk), mature (45 wk), old…”
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Influence of parent flock age on embryonic metabolism in modern turkey strains by Hamidu, J.A, Fasenko, G.M, Guan, L, Barreda, D.R, Feddes, J.J.R

“…The metabolic response of some galliform embryos to embryonic heat production (EHP) and how incubation conditions have been adjusted to prevent overheating of…”
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Swine production impact on residential ambient air quality by Godbout, Stephane, Lemay, Stephane P, Duchaine, Caroline, Pelletier, Frederic, Larouche, Jean-Pierre, Belzile, Martin, Feddes, John J.R

“…Numerous residents in agricultural areas are concerned about the impact that the swine industry may have on the ambient air quality. They assume there is a…”
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Internal Egg Temperature in Response to Preincubation Warming in Broiler Breeder and Turkey Eggs by Renema, R.A., Feddes, J.J.R., Schmid, K.L., Ford, M.A., Kolk, A.R.

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Midday and Nighttime Cooling of Broiler Chickens by Segura, J.C., Feddes, J.J.R., Zuidhof, M.J.

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Broiler performance, body weight variance, feed and water intake, and carcass quality at different stocking densities by Feddes, J J R, Emmanuel, E J, Zuidhoft, M J

“…The effects of four stocking and water nipple densities on broiler performance and carcass traits were measured in two trials. The stocking densities of 23.8,…”
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Investigating the eggshell conductance and embryonic metabolism of modern and unselected domestic avian genetic strains at two flock ages by O'Dea, E.E, Fasenko, G.M, Feddes, J.J.R, Robinson, F.E, Segura, J.C, Ouellette, C.A, Middelkoop, J.H. van

“…The objective of this study was to determine if broiler strain and breeder flock age affect eggshell conductance, fertility, and hatchability parameters; heart…”
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Field study to relate heat stress index to broiler performance by Ryder, A.A, Feddes, J.J.R, Zuidhof, M.J

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Total dust and endotoxin in poultry operations : Comparison between cage and floor housing and respiratoly effects in workers by KIRYCHUK, S. P, DOSMAN, J. A, REYNOLDS, S. J, WILLSON, P, SENTHILSELVAN, A, FEDDES, J. J. R, CLASSEN, H. L, GUENTER, W

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Development of a metabolic calorimeter system to measure heat production of domestic avian embryos during incubation by Segura, J.C, Ouellette, C.A, Feddes, J.J.R, Fasenko, G.M, Zuidhof, M.J

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Effects of feed withdrawal and livehaul on body weight, gut clearance, and contamination of broiler carcasses by Zuidhof, M.J, McGovern, R.H, Schneider, B.L, Feddes, J.J.R, Robinson, F.E, Korver, D.R, Goonewardene, L.A

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Effects of feed withdrawal time on the incidence of fecal spillage and contamination of broiler carcasses at processing by Zuidhof, M.J, McGovern, R.H, Schneider, B.L, Feddes, J.J.R, Robinson, F.E, Korver, D.R

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