Peer-Reviewed Publications
2023
Adler, C.A.B., D. Duhra, T. Shynkaruk, and K. Schwean-Lardner. Research Note: Validation of a low-cost accelerometer to measure physical activity in 30 to 32-d-old male Ross 708 broilers. Poultry Science. https://doi.org/10.1016/j.psj.2023.102966
Raginski, C., C.A.B. Adler, K. Schwean-Lardner, and H.L. Classen. Fibre-based feed supplements - Fermentation and moisture characteristics, edibility and particle size influence cage-reared laying hens preference based on feed consumption and time at the feeder. British Poultry Science. https://doi.org/10.1080/00071668.2023.2208267
Shynkaruk, T., K. Long, C. LeBlanc, and K. Schwean-Lardner. Impact of stocking density on the welfare and productivity of broiler chickens reared to 34 d of age. Journal of Applied Poultry Research. https://doi.org/10.1016/j.japr.2023.100344
2022
Struthers, S., K. Beaulac, J. Chew, S. Gomis, E. Herwig, T. Shynkaruk, and K. Schwean-Lardner. Specialized beak blunting feeders and their potential as an alternative to current beak treatment methods in leghorn pullets. Journal of Applied Poultry Research. https://doi.org/10.1016/j.japr.2022.100285
Remonato Franco, B.M., T. Shynkaruk, B. Fancher, N. French, S. Gillingham, and K. Schwean-Lardner. Light color and the commercial broiler: Effect on behavior, fear and stress. Poultry Science. https://doi.org/10.1016/j.psj.2022.102052
Remonato Franco, B.M., T. Shynkaruk, T. Crowe, B. Famcher, N. French, S. Gillngham, and K. Schwean-Lardner. Light wavelength and its impact on broiler health. Poultry Science. https://doi.org/10.1016/j.psj.2022.102178
Sadvakassova, G., M. Ghaly, J. Chew, H. Poorhemati, K. Beaulac, T. Shynkaruk, T. Widowski, K. Schwean-Lardner, and S. Komarova. Research note: effect of light intensity on calcium homeostasis in pullets. Poultry Science. https://doi.org/10.1016/j.psj.2022.101982
Shynkaruk, T., K. Buchynski, and K. Schwean-Lardner. Lighting programme as a management tool for broilers raised without antibiotics - impact on productivity and welfare. British Poultry Science. 63:761-767. https://doi.org/10.1080/00071668.2022.2083943
Jhetam, S., K. Buchynski, T. Shynkaruk, and K. Schwean-Lardner. Evaluating the effects of stocking density on the behavior, health, and welfare of turkey hens to 11 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101956
Jhetam, S., K. Buchynski, T. Shynkaruk, and K. Schwean-Lardner. Stocking density effects on turkey hen performance to 11 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101874
Remonato Franco, B.M., T. Shynkaruk, B. Fancher, N. French, S. Gillingham, and K. Schwean-Lardner. Does light color during brooding and rearing impact broiler productivity? Poultry Science. https://doi.org/10.1016/j.psj.2022.101937
Remonato Franco, B.M., M.L. Leis, M. Wong, T. Shynkaruk, T. Crowe, B. Fancher, S. Gillingham, N. French, and K. Schwean-Lardner. 2022. Light color and the commercial broiler: Effect on ocular health and visual acuity. Frontiers in Physiology. 13:855266.
Struthers, S., T. Fiss, H.L. Classen, S. Gomis, E. Herwig, and K. Schwean-Lardner. 2022. The impact of infrared beak treatment on turkey tom and hen beak length and performance to 12 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101737
Struthers, S., T. Fiss, H.L. Classen, S. Gomis, R. Dickinson, T.G. Crowe, E. Herwig, and K. Schwean-Lardner. 2022. The effect of infrared beak treatment on the welfare of turkeys reared to 12 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101728
Frerichs, C. K. Beaulac, T.G. Crowe, and K. Schwean-Lardner. 2022. The influence on behavior and physiology of white-feathered end-of-cycle hens during simulated transport. Poultry Science. doi: 10.1016/j.psj.2021.101599
2021
Chew, J., T. Widowski, E. Herwig, T. Shynkaruk, and K. Schwean-Lardner. 2021. The effect of light intensity, strain, and age on the behavior, jumping frequency and success, and welfare of egg-strain pullets reared in perchery systems. Animals. 11,3353.
Chew, J., T. Widowski, E. Herwig, T. Shynkaruk, and K. Schwean-Lardner. 2021. The effect of light intensity on the body weight, keel bone quality, tibia bone strength, and mortality of brown and white feathered egg-strain pullets reared in perchery systems. Poultry Science. https://doi.org/10.1016/j.psj.2021.101464
Frerichs, C. K. Beaulac, T.G. Crowe, and K. Schwean-Lardner. 2021. The effects of simulated transport on the muscle characteristics of white-feathered end-of-cycle hens. Poultry Science. https://doi.org/10.1016/j.psj.2021.101280
Duhra, D., F. Buchanan, R. Newkirk, and K. Schwean-Lardner. 2021. Utilizing yellow mealworm larvae reared on deoxynivalenol-contaminated wheat as a feed ingredient for poultry diets. Journal of Insects as Food and Feed. https://doi.org/10.3920/JIFF2021.0065
Baker-Cook, B., S. Torrey, T.M. Widowski, P.V. Turner, T. Knezacek, J. Nicholds, and K. Schwean-Lardner. 2021. The efficacy of three on-farm euthanasia methods for broiler chickens throughout the production cycle. British Poultry Science. 62:638-649.
Baker-Cook, B., A.L. Moritz, D. Zwueste, K. Schwean-Lardner, and K.L. Machin. 2021. Evaluation of intravenous T-61 as a euthanasia method for avian species. The Canadian Veterinary Journal. 62: 367.
Herwig, E., C.L. Walk, M. Bedford, K. Schwean-Lardner, and H.L. Classen. 2021. Contrasting the effects of phytase and pure mho-inositol on the performance, digestibility, blood and egg yolk inositol levels and digestion physiology of laying hens. British Poultry Science. 62:517-527.
Baker-Cook, B.I., S. Torrey, P.V. Turner, T.D. Knezacek, J. Nicholds, S. Gomis, and K. Schwean-Lardner. 2021. Assessing the effect of water deprivation on the efficacy of on-farm euthanasia methods for broiler chickens. British Poultry Science. 62:157-165.
2020
Lalonde, S., K. Beaulac, T.G. Crowe, and K. Schwean-Lardner. 2020. The effects of simulated transportation condition on the core body and extremity temperature, blood physiology, and behavior of white-strain layer pullets. Poultry Science. 100:677-706.
Lalonde, S., K. Beaulac, T.G. Crowe, and K. Schwean-Lardner-Lardner. 2020. The effects of simulated transport conditions on the muscle tissue characteristics of white-strain layer pullets. Poultry Science. 100:103-109.
Beaulac K., T.G. Crowe, and K. Schwean-Lardner. 2020. Simulated transport of well- and poor- feathered brown-strain end-of-cycle hens and the impact on stress physiology, behaviour, and meat quality. Poultry Science. 99:6753-6763.
Schwean-Lardner K. and E. Herwig. 2020. Poultry welfare: Future directions and challenges. Meat and Muscle Biology. 4:1-5.
Baker, B., S. Torrey, T. Widowski, P. Turner, T. Knezacek, J. Nicholds, T. Crowe, and K. Schwean-Lardner. 2020. Defining characteristics of immersion CO2 gas for successful euthanasia of neonatal and young broilers. Poultry Science. 99:4408-4416
Herwig, E., K. Schwean-Lardner, A. Van Kessel, R. Savary, and H. L. Classen. 2020. Assessing the effect of starch digestion characteristics on ileal brake activation in broiler chickens. PLoS ONE. 15(2): e0228647.
2019
Herwig, E., H. Classen, C. Walk, M. Bedford, and K. Schwean-Lardner. 2019. Dietary inositol reduces fearfulness and avoidance in laying hens. Animals. 9, 938.
Bandara, R.M.A.S., S. Torrey, P. Turner, A. zur Linden, A. Bolinder, K. Schwean-Lardner, and T. Widowski. 2019. Efficacy of a novel mechanical cervical dislocation device in comparison to manual cervical dislocation in layer chickens. Animals. 9, 407.
Hughes, C., S. Struthers, T. Shynkaruk, S. Gomis, A. Gupta, and K. Schwean-Lardner. 2019. Beak morphology of infrared beak treated laying hens and its impact on production and welfare. Poultry Science. 99:1395-1399.
Struthers, S., A. Gupta, S. Gomis, E. Herwig, and K. Schwean-Lardner. 2019. Understanding how infrared beak treatment affects the beak tissue and the healing response of brown and white feathered layer pullets. Animals. 9, 665.
Hernandez, E., F. James, S. Torrey, T. Widowski, K. Schwean-Lardner, G. Monteith, and P. V. Turner. 2019. Evaluation of brain death in laying hens during on-farm killing by cervical dislocation methods or pentobarbital sodium injection. Frontiers in Veterinary Science. 6:297.
Baker, B.I., K.L. Machin, and K. Schwean-Lardner. 2019. When pain and stress interact: looking at stress-induced analgesia and stress-induced hyperalgesia in birds. World's Poultry Science Journal. 75:457-468.
Struthers, S., H. L. Classen, S. Gomis, T. G. Crowe, and K. Schwean-Lardner. 2019. The impact of beak tissue sloughing and beak shape variation on the behavior and welfare of infrared beak-treated layer pullets and hens. Poultry Science. 98:4269-4281. ***Received Editor's Choice***
Struthers, S., H. L. Classen, S. Gomis, and K. Schwean-Lardner. 2019. The effect of beak tissue sloughing and post-treatment beak shape on the productivity of infrared beak treated layer pullets and hens. Poultry Science. 98:3637-3646.
Beaulac, K., H. L. Classen, S. Gomis, K. S. Sakamoto, T. G. Crowe, and K. Schwean-Lardner. 2019. The effects of stocking density on turkey tom performance and environment to 16 weeks of age. Poultry Science. 98:2846-2857.
Herwig, E., D. Abbott, K. Schwean-Lardner, and H. L. Classen. 2019. Assessing the effect of rate and extent of starch digestion on laying hen performance. Poultry Science. 98:2940-2947.
Bandara, R. M., S. Torrey, P. V. Turner, K. Schwean-Lardner, and T. Widowski. 2019. Anatomical pathology, behavioral, and physiological responses induced by application of non-penetrating captive bolt devices in layer chickens. Frontiers in Veterinary Science. 6:89.
Wang, A., K. Schwean-Lardner and N. Hogan. 2019. Feed preference and feeding behaviours in grower broilers fed diets containing wheat naturally-contaminated with Fusarium mycotoxins. British Poultry Science. 60:309-316.
Shynkaruk, T., H. L. Classen, T. G. Crowe and K. Schwean-Lardner. 2019. The impact of dark exposure on broiler feeding behavior and weight of gastrointestinal tract segments and contents. Poultry Science. 98:2448-2458.
Herwig, E., D. Abbott, K. Schwean-Lardner and H.L. Classen. 2019. Effect of rate and extent of starch digestion on broiler chicken performance. Poultry Science. 98:3676-3684.
Baker, B. I., S. Torrey, T. M. Widowski, P.V. Turner, T. D. Knezacek, J. Nicholds, T.G. Crowe and K. Schwean-Lardner. 2019. Evaluation of carbon dioxide induction methods for the euthanasia of day-old cull broiler chicks. Poultry Science. 98:2043-2053. ***Received Editor's Choice***
2018
Herwig, E., H.L. Classen and K.V. Schwean-Lardner. 2018. Assessing the effect of rate and extent of starch digestion in broiler and laying hen feeding behaviour. Applied Animal Behaviour Science 211:54-60.
Beaulac, K. and K. Schwean-Lardner. 2018. Assessing the effects of stocking density on turkey tom health and welfare to 16 weeks of age. Frontiers in Veterinary Science 5, 213.
K. Schwean-Lardner. Chapter 2: The effects of hatchery practices on the welfare of poultry. 2018. Advances in Poultry Welfare. Pages 29-48. Elseiver. https://doi.org/10.1016/B978-0-08-100915-4.00002-6
Woolcott, C., S. Torrey, P.V. Turner, H. Chalmers, L. J. Levison, K. Schwean-Lardner, and T. Widowski. 2018. Assessing a method of mechanical cervical dislocation as a humane option for on-farm killing using anesthetized poults and young turkeys. Frontiers in Veterinary Science 5, 275.
Woolcott, C., S. Torrey, P.V. Turner, L. Serpa, K. Schwean-Lardner and T. Widowski. 2018. Evaluation of two models of non-penetrating captive bolt devices for on-farm euthanasia of turkeys. Animals. 8,42.
Kumar, D., C. Raginski, K. Schwean-Lardner and H.L. Classen. 2018. Assessing the response of hen weight, body composition, feather score, egg quality and level of excreta nitrogen content to digestible balanced protein intake of laying hens. Canadian Journal of Animal Science 98:619-630.
Kumar, D., C. Raginski, K. Schwean-Lardner and H.L. Classen. 2018. Assessing the performance response of laying hens to intake levels of digestible balanced protein from 27 to 66 weeks of age. Canadian Journal of Animal Science 98:801-808.
Henrikson, Z.A., C.J. Vermette, K. Schwean-Lardner and T.G Crowe. 2018. Effects of cold exposure on physiology, meat quality, and behavior of turkey hens and toms crated at transport density. Poultry Science 97:347-357.
2017
Vermette, C.J., Z.A. Henrikson, K.V. Schwean-Lardner and T.G. Crowe. 2017. Influence of hot exposure on 12-week-old turkey hen physiology, welfare, and meat quality and 16-week-old turkey tom core body temperature when crated at transport density. Poultry Science 96:3836-3843.
Leis, M., M. Dodd, G. Starrak, C. Vermette, S. Gomis, B. Bauer, L. Sandmeyer, K. Schwean-Lardner, H.L. Classen and B. Grahn. 2017. Effect of prolonged photoperiod on ocular tissues of domestic turkeys. Veterinary Ophthalmology 20:232-241.
2016
Schwean-Lardner, K., C.B. Annett-Christianson, J. Rajendram and H.L. Classen. 2016. Does age of hot-blade trimming impact the performance and welfare of 2 strains of White Leghorn hens? Journal of Applied Poultry Research 25:547-560. ***Received Editor's Choice***
Schwean-Lardner, K., C. Vermette, M. Leis and H.L. Classen. 2016. Basing turkey lighting programs on broiler research: a good idea? A comparison of daylength effects on broiler and turkey welfare. Animals 6, 27.
Johannson, S.G., C. Raginski, K. Schwean-Lardner and H.L. Classen. 2016. Providing laying hens in group housed enriched cages with access to barley silage reduces aggressive and feather pecking behavior. Canadian Journal of Animal Science 96:161-171.
Vermette, C., K. Schwean-Lardner, S. Gomis, T.G. Crowe and H.L. Classen. 2016. The impact of graded levels of daylength on turkey health and behavior to eighteen weeks of age. Poultry Science 95:1223-1237.
Vermette, C., K. Schwean-Lardner, S. Gomis, T.G. Crowe and H.L. Classen. 2016. The impact of graded levels of daylength on turkey productivity to eighteen weeks of age. Poultry Science 95:985-996.
2015
Fournier, J., K. Schwean-Lardner, T.D. Knezacek, S. Gomis and H.L. Classen. 2015. The effect of toe trimming on behavior, mobility, toe length and other indicators of welfare in tom turkeys. Poultry Science 94:1398-1406.
2014
Fournier, J., K. Schwean-Lardner, T.D. Knezacek, S. Gomis and *H.L. Classen. 2014. The effect of toe trimming on production characteristics of heavy turkey toms. Poultry Science 93:1-5.
Schwean-Lardner, K., B.I. Fancher, B. Laarveld and H.L. Classen. 2014. Effect of daylength on flock behavioural patterns and melatonin rhythms in broilers. British Poultry Science 55:21-30.
2013
Schwean-Lardner, K., D. Anderson, M. Petrik, S. Torrey, T. Widowski, B. Kitts and J. Gardner. 2013. Code of Practice for the Care and Handling of Chickens, Turkeys and Breeders: Review of Scientific Research on Priority Issues: Chickens, Turkeys and Breeders. Lacombe: National Farm Animal Care Council 2013, Literature Review (Peer Reviewed) http://www.nfacc.ca/pdfs/codes/poultry_code_EN.pdf.
Widowski, T., H. Classen, R. Newberry, M. Petrik, K. Schwean-Lardner, S. Cottee and B. Cox, 2013. Code of Practice for the Care and Handling of Pullets, Layers and Spent Fowl: Review of Scientific Research on Priority Issues: Poultry (Layers): Lacombe: National Farm Animal Care Council 2013, Literature Review (Peer Reviewed).
Lardner, H.A., L. Braul, K. Schwartzkopf-Genswein, K. Schwean-Lardner, D. Damiran and E. Darambazer. 2013. Consumption and drinking behaviour of beef cattle offered a choice of several water types. Livestock Science 157:577-585.
Deep. A., C. Raginski, K. Schwean-Lardner, B.I. Fancher and H.L. Classen. 2013. Minimum light intensity threshold to prevent negative effects on broiler production and welfare. British Poultry Science 54:686-694.
Schwean-Lardner, K., B.I. Fancher, S. Gomis, S. Dalal, and H.L. Classen, 2013. Effect of daylength on cause of mortality, leg health and ocular health in broilers. Poultry Science 92: 1-11.
2012
Carruthers, C., T. Gabrush, K. Schwean-Lardner, T.D. Knezacek, H.L. Classen and C. Bennett. 2012. On-farm survey of beak characteristics in White Leghorns as a result of hot blade trimming and infrared beak treatment. Journal of Applied Poultry Science 21: 645-650.
Schwean-Lardner, K., B.I. Fancher, and H.L. Classen. 2012. Impact of daylength on behavioural output in commercial broilers. Applied Animal Behaviour Science 137:43-52.
Deep, A., K. Schwean-Lardner, T.G. Crowe, B.I. Fancher and *H.L. Classen. 2012. Effect of light intensity on broiler behaviour and diurnal rhythms. Applied Animal Behaviour Science 136:50-56.
Schwean-Lardner, K., B.I. Fancher, and H.L. Classen. 2012. Impact of daylength on the productivity of two commercial broiler strains. British Poultry Science 53:7-18.
2000-2010
Deep, A., K. Schwean-Lardner, T.G. Crowe, B.I. Fancher and *H.L. Classen. 2010. Effect of light intensity on broiler production, processing characteristics, and welfare. Poultry Science 89:2326-2333.
Schwean-Lardner, K., J.P. Dahiya, A.A. Olkowski, E.M. Barber, C. Riddell and H.L. Classen. 2009. Effect of adding ozone into an intensive broiler production unit on performance, mortality, ammonia levels, and bacterial levels as compared to a non-ozone treated broiler unit. Journal of Applied Poultry Research 18:649-657.
Wojnarowicz, C., A.A. Olkowski and K. Schwean-Lardner. 2007. First Canadian outbreak of West Nile Virus disease in farmed domestic ducks in Saskatchewan. Canadian Veterinary Journal 48:1270-1271.
Classen, H.L., C.B. Annett, K.V. Schwean-Lardner, R. Gonda and D. Derow. 2004. The effects of lighting programmes with twelve hours of darkness per day provided in one, six or twelve hour intervals on the productivity and health of broiler chickens. British Poultry Science 45:S31-S32.
Audren, G.P., H.L. Classen, K.V. Schwean and V. Racz. 2002. Nutritional value of wheat screenings for broiler chickens. Canadian Journal of Animal Science 82:393-398.
Bennett, C.D., H.L. Classen and K. Schwean. 2002. Influence of whole barley and grit on live performance and health of turkey toms. Poultry Science 81:1850-1855.
1998
Classen, H.L. and K.V. Schwean. 1998. Perspectives from Western Canada and the Canadian Meat Industry. Poultry Science 77:220-225.
Riddell, C., K. Schwean and H.L. Classen. 1998. Inflammation of the bronchi in broiler chickens, associated with barn dust and the influence of barn temperature. Avian Diseases 42:225-229.
Adler, C.A.B., D. Duhra, T. Shynkaruk, and K. Schwean-Lardner. Research Note: Validation of a low-cost accelerometer to measure physical activity in 30 to 32-d-old male Ross 708 broilers. Poultry Science. https://doi.org/10.1016/j.psj.2023.102966
Raginski, C., C.A.B. Adler, K. Schwean-Lardner, and H.L. Classen. Fibre-based feed supplements - Fermentation and moisture characteristics, edibility and particle size influence cage-reared laying hens preference based on feed consumption and time at the feeder. British Poultry Science. https://doi.org/10.1080/00071668.2023.2208267
Shynkaruk, T., K. Long, C. LeBlanc, and K. Schwean-Lardner. Impact of stocking density on the welfare and productivity of broiler chickens reared to 34 d of age. Journal of Applied Poultry Research. https://doi.org/10.1016/j.japr.2023.100344
2022
Struthers, S., K. Beaulac, J. Chew, S. Gomis, E. Herwig, T. Shynkaruk, and K. Schwean-Lardner. Specialized beak blunting feeders and their potential as an alternative to current beak treatment methods in leghorn pullets. Journal of Applied Poultry Research. https://doi.org/10.1016/j.japr.2022.100285
Remonato Franco, B.M., T. Shynkaruk, B. Fancher, N. French, S. Gillingham, and K. Schwean-Lardner. Light color and the commercial broiler: Effect on behavior, fear and stress. Poultry Science. https://doi.org/10.1016/j.psj.2022.102052
Remonato Franco, B.M., T. Shynkaruk, T. Crowe, B. Famcher, N. French, S. Gillngham, and K. Schwean-Lardner. Light wavelength and its impact on broiler health. Poultry Science. https://doi.org/10.1016/j.psj.2022.102178
Sadvakassova, G., M. Ghaly, J. Chew, H. Poorhemati, K. Beaulac, T. Shynkaruk, T. Widowski, K. Schwean-Lardner, and S. Komarova. Research note: effect of light intensity on calcium homeostasis in pullets. Poultry Science. https://doi.org/10.1016/j.psj.2022.101982
Shynkaruk, T., K. Buchynski, and K. Schwean-Lardner. Lighting programme as a management tool for broilers raised without antibiotics - impact on productivity and welfare. British Poultry Science. 63:761-767. https://doi.org/10.1080/00071668.2022.2083943
Jhetam, S., K. Buchynski, T. Shynkaruk, and K. Schwean-Lardner. Evaluating the effects of stocking density on the behavior, health, and welfare of turkey hens to 11 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101956
Jhetam, S., K. Buchynski, T. Shynkaruk, and K. Schwean-Lardner. Stocking density effects on turkey hen performance to 11 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101874
Remonato Franco, B.M., T. Shynkaruk, B. Fancher, N. French, S. Gillingham, and K. Schwean-Lardner. Does light color during brooding and rearing impact broiler productivity? Poultry Science. https://doi.org/10.1016/j.psj.2022.101937
Remonato Franco, B.M., M.L. Leis, M. Wong, T. Shynkaruk, T. Crowe, B. Fancher, S. Gillingham, N. French, and K. Schwean-Lardner. 2022. Light color and the commercial broiler: Effect on ocular health and visual acuity. Frontiers in Physiology. 13:855266.
Struthers, S., T. Fiss, H.L. Classen, S. Gomis, E. Herwig, and K. Schwean-Lardner. 2022. The impact of infrared beak treatment on turkey tom and hen beak length and performance to 12 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101737
Struthers, S., T. Fiss, H.L. Classen, S. Gomis, R. Dickinson, T.G. Crowe, E. Herwig, and K. Schwean-Lardner. 2022. The effect of infrared beak treatment on the welfare of turkeys reared to 12 weeks of age. Poultry Science. https://doi.org/10.1016/j.psj.2022.101728
Frerichs, C. K. Beaulac, T.G. Crowe, and K. Schwean-Lardner. 2022. The influence on behavior and physiology of white-feathered end-of-cycle hens during simulated transport. Poultry Science. doi: 10.1016/j.psj.2021.101599
2021
Chew, J., T. Widowski, E. Herwig, T. Shynkaruk, and K. Schwean-Lardner. 2021. The effect of light intensity, strain, and age on the behavior, jumping frequency and success, and welfare of egg-strain pullets reared in perchery systems. Animals. 11,3353.
Chew, J., T. Widowski, E. Herwig, T. Shynkaruk, and K. Schwean-Lardner. 2021. The effect of light intensity on the body weight, keel bone quality, tibia bone strength, and mortality of brown and white feathered egg-strain pullets reared in perchery systems. Poultry Science. https://doi.org/10.1016/j.psj.2021.101464
Frerichs, C. K. Beaulac, T.G. Crowe, and K. Schwean-Lardner. 2021. The effects of simulated transport on the muscle characteristics of white-feathered end-of-cycle hens. Poultry Science. https://doi.org/10.1016/j.psj.2021.101280
Duhra, D., F. Buchanan, R. Newkirk, and K. Schwean-Lardner. 2021. Utilizing yellow mealworm larvae reared on deoxynivalenol-contaminated wheat as a feed ingredient for poultry diets. Journal of Insects as Food and Feed. https://doi.org/10.3920/JIFF2021.0065
Baker-Cook, B., S. Torrey, T.M. Widowski, P.V. Turner, T. Knezacek, J. Nicholds, and K. Schwean-Lardner. 2021. The efficacy of three on-farm euthanasia methods for broiler chickens throughout the production cycle. British Poultry Science. 62:638-649.
Baker-Cook, B., A.L. Moritz, D. Zwueste, K. Schwean-Lardner, and K.L. Machin. 2021. Evaluation of intravenous T-61 as a euthanasia method for avian species. The Canadian Veterinary Journal. 62: 367.
Herwig, E., C.L. Walk, M. Bedford, K. Schwean-Lardner, and H.L. Classen. 2021. Contrasting the effects of phytase and pure mho-inositol on the performance, digestibility, blood and egg yolk inositol levels and digestion physiology of laying hens. British Poultry Science. 62:517-527.
Baker-Cook, B.I., S. Torrey, P.V. Turner, T.D. Knezacek, J. Nicholds, S. Gomis, and K. Schwean-Lardner. 2021. Assessing the effect of water deprivation on the efficacy of on-farm euthanasia methods for broiler chickens. British Poultry Science. 62:157-165.
2020
Lalonde, S., K. Beaulac, T.G. Crowe, and K. Schwean-Lardner. 2020. The effects of simulated transportation condition on the core body and extremity temperature, blood physiology, and behavior of white-strain layer pullets. Poultry Science. 100:677-706.
Lalonde, S., K. Beaulac, T.G. Crowe, and K. Schwean-Lardner-Lardner. 2020. The effects of simulated transport conditions on the muscle tissue characteristics of white-strain layer pullets. Poultry Science. 100:103-109.
Beaulac K., T.G. Crowe, and K. Schwean-Lardner. 2020. Simulated transport of well- and poor- feathered brown-strain end-of-cycle hens and the impact on stress physiology, behaviour, and meat quality. Poultry Science. 99:6753-6763.
Schwean-Lardner K. and E. Herwig. 2020. Poultry welfare: Future directions and challenges. Meat and Muscle Biology. 4:1-5.
Baker, B., S. Torrey, T. Widowski, P. Turner, T. Knezacek, J. Nicholds, T. Crowe, and K. Schwean-Lardner. 2020. Defining characteristics of immersion CO2 gas for successful euthanasia of neonatal and young broilers. Poultry Science. 99:4408-4416
Herwig, E., K. Schwean-Lardner, A. Van Kessel, R. Savary, and H. L. Classen. 2020. Assessing the effect of starch digestion characteristics on ileal brake activation in broiler chickens. PLoS ONE. 15(2): e0228647.
2019
Herwig, E., H. Classen, C. Walk, M. Bedford, and K. Schwean-Lardner. 2019. Dietary inositol reduces fearfulness and avoidance in laying hens. Animals. 9, 938.
Bandara, R.M.A.S., S. Torrey, P. Turner, A. zur Linden, A. Bolinder, K. Schwean-Lardner, and T. Widowski. 2019. Efficacy of a novel mechanical cervical dislocation device in comparison to manual cervical dislocation in layer chickens. Animals. 9, 407.
Hughes, C., S. Struthers, T. Shynkaruk, S. Gomis, A. Gupta, and K. Schwean-Lardner. 2019. Beak morphology of infrared beak treated laying hens and its impact on production and welfare. Poultry Science. 99:1395-1399.
Struthers, S., A. Gupta, S. Gomis, E. Herwig, and K. Schwean-Lardner. 2019. Understanding how infrared beak treatment affects the beak tissue and the healing response of brown and white feathered layer pullets. Animals. 9, 665.
Hernandez, E., F. James, S. Torrey, T. Widowski, K. Schwean-Lardner, G. Monteith, and P. V. Turner. 2019. Evaluation of brain death in laying hens during on-farm killing by cervical dislocation methods or pentobarbital sodium injection. Frontiers in Veterinary Science. 6:297.
Baker, B.I., K.L. Machin, and K. Schwean-Lardner. 2019. When pain and stress interact: looking at stress-induced analgesia and stress-induced hyperalgesia in birds. World's Poultry Science Journal. 75:457-468.
Struthers, S., H. L. Classen, S. Gomis, T. G. Crowe, and K. Schwean-Lardner. 2019. The impact of beak tissue sloughing and beak shape variation on the behavior and welfare of infrared beak-treated layer pullets and hens. Poultry Science. 98:4269-4281. ***Received Editor's Choice***
Struthers, S., H. L. Classen, S. Gomis, and K. Schwean-Lardner. 2019. The effect of beak tissue sloughing and post-treatment beak shape on the productivity of infrared beak treated layer pullets and hens. Poultry Science. 98:3637-3646.
Beaulac, K., H. L. Classen, S. Gomis, K. S. Sakamoto, T. G. Crowe, and K. Schwean-Lardner. 2019. The effects of stocking density on turkey tom performance and environment to 16 weeks of age. Poultry Science. 98:2846-2857.
Herwig, E., D. Abbott, K. Schwean-Lardner, and H. L. Classen. 2019. Assessing the effect of rate and extent of starch digestion on laying hen performance. Poultry Science. 98:2940-2947.
Bandara, R. M., S. Torrey, P. V. Turner, K. Schwean-Lardner, and T. Widowski. 2019. Anatomical pathology, behavioral, and physiological responses induced by application of non-penetrating captive bolt devices in layer chickens. Frontiers in Veterinary Science. 6:89.
Wang, A., K. Schwean-Lardner and N. Hogan. 2019. Feed preference and feeding behaviours in grower broilers fed diets containing wheat naturally-contaminated with Fusarium mycotoxins. British Poultry Science. 60:309-316.
Shynkaruk, T., H. L. Classen, T. G. Crowe and K. Schwean-Lardner. 2019. The impact of dark exposure on broiler feeding behavior and weight of gastrointestinal tract segments and contents. Poultry Science. 98:2448-2458.
Herwig, E., D. Abbott, K. Schwean-Lardner and H.L. Classen. 2019. Effect of rate and extent of starch digestion on broiler chicken performance. Poultry Science. 98:3676-3684.
Baker, B. I., S. Torrey, T. M. Widowski, P.V. Turner, T. D. Knezacek, J. Nicholds, T.G. Crowe and K. Schwean-Lardner. 2019. Evaluation of carbon dioxide induction methods for the euthanasia of day-old cull broiler chicks. Poultry Science. 98:2043-2053. ***Received Editor's Choice***
2018
Herwig, E., H.L. Classen and K.V. Schwean-Lardner. 2018. Assessing the effect of rate and extent of starch digestion in broiler and laying hen feeding behaviour. Applied Animal Behaviour Science 211:54-60.
Beaulac, K. and K. Schwean-Lardner. 2018. Assessing the effects of stocking density on turkey tom health and welfare to 16 weeks of age. Frontiers in Veterinary Science 5, 213.
K. Schwean-Lardner. Chapter 2: The effects of hatchery practices on the welfare of poultry. 2018. Advances in Poultry Welfare. Pages 29-48. Elseiver. https://doi.org/10.1016/B978-0-08-100915-4.00002-6
Woolcott, C., S. Torrey, P.V. Turner, H. Chalmers, L. J. Levison, K. Schwean-Lardner, and T. Widowski. 2018. Assessing a method of mechanical cervical dislocation as a humane option for on-farm killing using anesthetized poults and young turkeys. Frontiers in Veterinary Science 5, 275.
Woolcott, C., S. Torrey, P.V. Turner, L. Serpa, K. Schwean-Lardner and T. Widowski. 2018. Evaluation of two models of non-penetrating captive bolt devices for on-farm euthanasia of turkeys. Animals. 8,42.
Kumar, D., C. Raginski, K. Schwean-Lardner and H.L. Classen. 2018. Assessing the response of hen weight, body composition, feather score, egg quality and level of excreta nitrogen content to digestible balanced protein intake of laying hens. Canadian Journal of Animal Science 98:619-630.
Kumar, D., C. Raginski, K. Schwean-Lardner and H.L. Classen. 2018. Assessing the performance response of laying hens to intake levels of digestible balanced protein from 27 to 66 weeks of age. Canadian Journal of Animal Science 98:801-808.
Henrikson, Z.A., C.J. Vermette, K. Schwean-Lardner and T.G Crowe. 2018. Effects of cold exposure on physiology, meat quality, and behavior of turkey hens and toms crated at transport density. Poultry Science 97:347-357.
2017
Vermette, C.J., Z.A. Henrikson, K.V. Schwean-Lardner and T.G. Crowe. 2017. Influence of hot exposure on 12-week-old turkey hen physiology, welfare, and meat quality and 16-week-old turkey tom core body temperature when crated at transport density. Poultry Science 96:3836-3843.
Leis, M., M. Dodd, G. Starrak, C. Vermette, S. Gomis, B. Bauer, L. Sandmeyer, K. Schwean-Lardner, H.L. Classen and B. Grahn. 2017. Effect of prolonged photoperiod on ocular tissues of domestic turkeys. Veterinary Ophthalmology 20:232-241.
2016
Schwean-Lardner, K., C.B. Annett-Christianson, J. Rajendram and H.L. Classen. 2016. Does age of hot-blade trimming impact the performance and welfare of 2 strains of White Leghorn hens? Journal of Applied Poultry Research 25:547-560. ***Received Editor's Choice***
Schwean-Lardner, K., C. Vermette, M. Leis and H.L. Classen. 2016. Basing turkey lighting programs on broiler research: a good idea? A comparison of daylength effects on broiler and turkey welfare. Animals 6, 27.
Johannson, S.G., C. Raginski, K. Schwean-Lardner and H.L. Classen. 2016. Providing laying hens in group housed enriched cages with access to barley silage reduces aggressive and feather pecking behavior. Canadian Journal of Animal Science 96:161-171.
Vermette, C., K. Schwean-Lardner, S. Gomis, T.G. Crowe and H.L. Classen. 2016. The impact of graded levels of daylength on turkey health and behavior to eighteen weeks of age. Poultry Science 95:1223-1237.
Vermette, C., K. Schwean-Lardner, S. Gomis, T.G. Crowe and H.L. Classen. 2016. The impact of graded levels of daylength on turkey productivity to eighteen weeks of age. Poultry Science 95:985-996.
2015
Fournier, J., K. Schwean-Lardner, T.D. Knezacek, S. Gomis and H.L. Classen. 2015. The effect of toe trimming on behavior, mobility, toe length and other indicators of welfare in tom turkeys. Poultry Science 94:1398-1406.
2014
Fournier, J., K. Schwean-Lardner, T.D. Knezacek, S. Gomis and *H.L. Classen. 2014. The effect of toe trimming on production characteristics of heavy turkey toms. Poultry Science 93:1-5.
Schwean-Lardner, K., B.I. Fancher, B. Laarveld and H.L. Classen. 2014. Effect of daylength on flock behavioural patterns and melatonin rhythms in broilers. British Poultry Science 55:21-30.
2013
Schwean-Lardner, K., D. Anderson, M. Petrik, S. Torrey, T. Widowski, B. Kitts and J. Gardner. 2013. Code of Practice for the Care and Handling of Chickens, Turkeys and Breeders: Review of Scientific Research on Priority Issues: Chickens, Turkeys and Breeders. Lacombe: National Farm Animal Care Council 2013, Literature Review (Peer Reviewed) http://www.nfacc.ca/pdfs/codes/poultry_code_EN.pdf.
Widowski, T., H. Classen, R. Newberry, M. Petrik, K. Schwean-Lardner, S. Cottee and B. Cox, 2013. Code of Practice for the Care and Handling of Pullets, Layers and Spent Fowl: Review of Scientific Research on Priority Issues: Poultry (Layers): Lacombe: National Farm Animal Care Council 2013, Literature Review (Peer Reviewed).
Lardner, H.A., L. Braul, K. Schwartzkopf-Genswein, K. Schwean-Lardner, D. Damiran and E. Darambazer. 2013. Consumption and drinking behaviour of beef cattle offered a choice of several water types. Livestock Science 157:577-585.
Deep. A., C. Raginski, K. Schwean-Lardner, B.I. Fancher and H.L. Classen. 2013. Minimum light intensity threshold to prevent negative effects on broiler production and welfare. British Poultry Science 54:686-694.
Schwean-Lardner, K., B.I. Fancher, S. Gomis, S. Dalal, and H.L. Classen, 2013. Effect of daylength on cause of mortality, leg health and ocular health in broilers. Poultry Science 92: 1-11.
2012
Carruthers, C., T. Gabrush, K. Schwean-Lardner, T.D. Knezacek, H.L. Classen and C. Bennett. 2012. On-farm survey of beak characteristics in White Leghorns as a result of hot blade trimming and infrared beak treatment. Journal of Applied Poultry Science 21: 645-650.
Schwean-Lardner, K., B.I. Fancher, and H.L. Classen. 2012. Impact of daylength on behavioural output in commercial broilers. Applied Animal Behaviour Science 137:43-52.
Deep, A., K. Schwean-Lardner, T.G. Crowe, B.I. Fancher and *H.L. Classen. 2012. Effect of light intensity on broiler behaviour and diurnal rhythms. Applied Animal Behaviour Science 136:50-56.
Schwean-Lardner, K., B.I. Fancher, and H.L. Classen. 2012. Impact of daylength on the productivity of two commercial broiler strains. British Poultry Science 53:7-18.
2000-2010
Deep, A., K. Schwean-Lardner, T.G. Crowe, B.I. Fancher and *H.L. Classen. 2010. Effect of light intensity on broiler production, processing characteristics, and welfare. Poultry Science 89:2326-2333.
Schwean-Lardner, K., J.P. Dahiya, A.A. Olkowski, E.M. Barber, C. Riddell and H.L. Classen. 2009. Effect of adding ozone into an intensive broiler production unit on performance, mortality, ammonia levels, and bacterial levels as compared to a non-ozone treated broiler unit. Journal of Applied Poultry Research 18:649-657.
Wojnarowicz, C., A.A. Olkowski and K. Schwean-Lardner. 2007. First Canadian outbreak of West Nile Virus disease in farmed domestic ducks in Saskatchewan. Canadian Veterinary Journal 48:1270-1271.
Classen, H.L., C.B. Annett, K.V. Schwean-Lardner, R. Gonda and D. Derow. 2004. The effects of lighting programmes with twelve hours of darkness per day provided in one, six or twelve hour intervals on the productivity and health of broiler chickens. British Poultry Science 45:S31-S32.
Audren, G.P., H.L. Classen, K.V. Schwean and V. Racz. 2002. Nutritional value of wheat screenings for broiler chickens. Canadian Journal of Animal Science 82:393-398.
Bennett, C.D., H.L. Classen and K. Schwean. 2002. Influence of whole barley and grit on live performance and health of turkey toms. Poultry Science 81:1850-1855.
1998
Classen, H.L. and K.V. Schwean. 1998. Perspectives from Western Canada and the Canadian Meat Industry. Poultry Science 77:220-225.
Riddell, C., K. Schwean and H.L. Classen. 1998. Inflammation of the bronchi in broiler chickens, associated with barn dust and the influence of barn temperature. Avian Diseases 42:225-229.
