Flock use of the range is associated with the use of different components of a multi-tier aviary system in commercial free-range laying hens

References

• Arnould, C., V. Fraysse, and L. Mirabito. 2001. “Use of Pen Space by Broiler Chickens Reared in Commercial Conditions: Access to Aviarys and Drinkers.” British Poultry Science 42: 7–8.
   Google Scholar
• Calaway, R., S. Weston, and D. Tenenbaum. 2015. “Doparallel: Foreach Parallel Adaptor for the ‘parallel’ Package.’ R package version 1.0.10.” https://CRAN.R-project.org/package=doParallel
   Google Scholar
• Campbell, D. L. M., G. N. Hinch, J. A. Downing, and C. Lee. 2016b. “Fear and Coping Styles of Outdoor-preferring, Moderate-outdoor and Indoor-preferring Free-ranging Laying Hens.” Applied Animal Behaviour Science 185: 73–77. doi:10.1016/j.applanim.2016.09.004.
   Web of Science ®Google Scholar
• Campbell, D. L. M., M. M. Makagon, J. C. Swanson, and J. M. Siegford. 2016a. “Laying Hen Movement in a Commercial Aviary: Enclosure to Floor and Back Again.” Poultry Science 95: 176–187. doi:10.3382/ps/pev186.
   PubMed Web of Science ®Google Scholar
• Carmichael, N. L., A. W. Walker, and B. O. Hughes. 1999. “Laying Hens in Large Flocks in a Perchery System: Influence of Stocking Density on Location, Use of Resources and Behaviour.” British Poultry Science 34: 165–176. doi:10.1080/00071669987566.
   Web of Science ®Google Scholar
• Charles, D. R., and A. W. Walker. 2002. “Responses to the Thermal Environment.” ISBN: 1897676972. In D. R. Charles and A. W. Walker (Eds.), Poultry Environment Problems, A Guide to Solutions. Nottingham, UK: Nottingham University Press.
   Google Scholar
• Chielo, L. I., T. Pike, and J. Cooper. 2016. “Ranging Behaviour of Commercial Free-range Laying Hens.” MDPI Animals 6 (28). doi:10.3390/ani6050028.
   Google Scholar
• Colson, S., C. Arnould, and V. Michel. 2007. “Motivation to Dust-bathe of Laying Hens Housed in Cages and in Aviaries.” Animal 1 (3): 433–437. doi:10.1017/S1751731107705323.
   PubMed Web of Science ®Google Scholar
• Conway, J., D. Eddelbuettel, T. Nishiyama, S. K. Prayaga, and N. Tiffin. 2013. “RPostgreSQL: R Interface to the PostgreSQL Database System.” R package version 0.4. https://CRAN.R-project.org/package=RPostgreSQL
   Google Scholar
• D’Eath, R. B., and L. J. Keeling. 2003. “Social Discrimination and Aggression by Laying Hens in Large Groups: From Peck Orders to Social Tolerance.” Applied Animal Behaviour Science 84: 197–212. doi:10.1016/j.applanim.2003.08.010.
   Web of Science ®Google Scholar
• Duncan, I. J. H. 1998. “Behavior and Behavioral Needs.” Poultry Science 77: 1766–1772. doi:10.1093/ps/77.12.1766.
   PubMed Web of Science ®Google Scholar
• Estevez, I., R. C. Newberry, and L. A. De Reyna. 1997. “Broiler Chickens: A Tolerant Social System?” Etologia 5: 19–29.
   Google Scholar
• Grolemund, G., and H. Wickham. 2011. “Dates and Times Made Easy with Lubridate.” Journal of Statistical Software 40 (3): 1–25. doi:10.18637/jss.v040.i03.
   Web of Science ®Google Scholar
• Hartcher, K., and B. Jones. 2017. “The Welfare of Layer Hens in Cage and Cage-free Housing Systems.” World’s Poultry Science Journal 73 (4): 767–782. doi:10.1017/S0043933917000812.
   Web of Science ®Google Scholar
• Hartcher, K, K. A. Hickey, P. H. Hemsworth, G. M. Cronin, S. J. Wilkinson, and M. Singh. 2015. “Relationships between Range Access as Monitored by Radio Frequency Identification Technology, Fearfulness, and Plumage Damage in Free-range Laying Hens.” Animal 1: 1–7. doi:10.1017/S1751731115002463.
   Web of Science ®Google Scholar
• Heerkens, J. L. T., E. Delezie, I. Kempen, J. Zoons, B. Ampe, B. T. Rodenburg, and F. A. M. Tuyettens. 2015. “Specific Characteristics of the Aviary Housing System Affect Plumage Condition, Mortality and Production in Laying Hens.” Poultry Science 94: 2008–2017. doi:10.3382/ps/pev187.
   PubMed Web of Science ®Google Scholar
• Hegelund, L., J. T. Sørensen, J. B. Kjær, and I. S. Kristensen. 2005. “Use of the Range Area in Organic Egg Production Systems: Effect of Climatic Factors, Flock Size, Age and Artificial Cover.” British Poultry Science 46: 1–8. doi:10.1080/00071660400023813.
   PubMed Web of Science ®Google Scholar
• Huang, A. S., F. R Carvallo, M. E Pitesky, S. Stoute, and A. Mete. 2019. “Gastrointestinal Impactions in Backyard Poultry.” Journal of Veterinary Diagnostic Investigation 31: 368–370. doi:10.1177/1040638719843966.
   PubMed Web of Science ®Google Scholar
• Hudson, B. P., R. J. Lien, and J. B. Hess. 2001. “Effects of Body Weight Uniformity and Pre-peak Feeding Programs on Broiler Breeder Hen Performance.” Journal of Applied Poultry Research 10: 24–32. doi:10.1093/japr/10.1.24.
   Web of Science ®Google Scholar
• Iqbal, Z., J. Roberts, R. A. Perez-Maldonado, F. Goodarzi Boroojeni, R. A. Swick, and I. Ruhnke. 2018. “Pasture, Multi-enzymes, Benzoic Acid and Essential Oils Positively Influence Performance, Intestinal Organ Weight and Egg Quality in Free-range Laying.” Hens.’ British Poultry Science 59 (2): 180–189. doi:10.1080/00071668.2017.1403566.
   PubMed Web of Science ®Google Scholar
• Keeling, L. J. 1994. “Inter-bird Distances and Behavioural Priorities in Laying Hens: The Effect of Spatial Restriction.” Applied Animal Behaviour Science 39: 131–140. doi:10.1016/0168-1591(94)90133-3.
   Web of Science ®Google Scholar
• Knierim, U. 2006. “Animal Welfare Aspects of Outdoor Runs for Laying Hens: A Review.” NJAS – Wagen Journal of Life Science 54: 133–145. doi:10.1016/S1573-5214(06)80017-5.
   Web of Science ®Google Scholar
• Mench, J. A., and L. J. Keeling. 2001. “The Social Behaviour of Domestic Birds.” In Social Behaviour in Farm Animal, edited by L. J. Keeling and H. W. Gonyou, 177–209. UK: CABI Publishing.
   Google Scholar
• Nicol, C. J., G. Caplen, J. Edgar, and W. J. Browne. 2009. “Associations between Welfare Indicators and Environmental Choice in Laying Hens.” Applied Animal Behaviour Science 78: 413–424. doi:10.1016/j.anbehav.2009.05.016.
   Web of Science ®Google Scholar
• Nyoni, N. M. B., S. Grab, and E. R. M. Archer. 2018. “Heat Stress and Chickens: Climate Risk Effects on Rural Poultry Farming in Low-income Countries.” Climate and Development 11 (1): 83–90. doi:10.1080/17565529.2018.1442792.
   Web of Science ®Google Scholar
• Peterson, B., P. Carl, K. Boudt, R. Bennett, J. Ulrich, E. Zivot, C. Dries, et al. 2018. “R Package ‘PerformanceAnalytics’.” http://r-forge.r-project.org/projects/returnanalytics/
   Google Scholar
• Pettersson, I. C., R. Freire, and C. J. Nicol. 2016. “Factors Affecting Ranging Behaviour in Commercial Free-range Hens.” World Poultry Science Journal 72: 37–149. doi:10.1017/S0043933915002664.
   Web of Science ®Google Scholar
• Pettersson, I. C., C. A. Weeks, and C. J. Nicol. 2017. “The Effect of Ramp Provision on the Accessibility of the Litter in Single and Multi-tier Laying Hen Housing.” Applied Animal Behaviour Science 186: 35–40. doi:10.1016/j.applanim.2016.10.012.
   Web of Science ®Google Scholar
• R Core Team. 2018. “R: A Language and Environment for Statistical Computing.” Statistical Computing, Vienna, Austria. https://www.R-project.org/
   Google Scholar
• Rault, J., and P. S. Taylor. 2017. “Indoor Side Fidelity and Outdoor Ranging in Commercial Free-range Chickens in Single- or Double-sided Houses.” Applied Animal Behaviour Science 194: 48–53. doi:10.1016/j.applanim.2017.05.010.
   Web of Science ®Google Scholar
• Richards, G. J., L. J. Wilkins, T. G. Knowles, F. Booth, M. J. Toscano, C. J. Nicol, and S. N. Brown. 2011. “Continuous Monitoring of Pop-hole Usage by Commercially Housed Free-range Hens Throughout the Production Cycle.” Veterinary Record 169 (338). doi:10.1136/vr.d4603.
   Web of Science ®Google Scholar
• Rodenburg, T. B., F. A. M. Tuyttens, K. De Reu, L. Herman, J. Zoons, and B. Sonck. 2008. “Welfare Assessment of Laying Hens in Furnihouse Cages and Non-cage Systems: An On-farm Comparison.” Animal Welfare 17: 363–373.
   Web of Science ®Google Scholar
• Rufener, C., J. Berezowski, F. Maximiano Sousa, Y. Abreu, L. Asher, and M. J. Toscano. 2018. “Finding Hens in a Haystack: Consistency of Movement Patterns within and across Individual Laying Hens Maintained in Large Groups.” Science Reports 8: 12303. doi:10.1038/s41598-018-29962-x.
   PubMed Web of Science ®Google Scholar
• Ruhnke, I., G. Cowling, M. Sommerlad, R. Swick, and M. Choct. 2015. “Gut Impaction in Free Range Hens.” In Proceedings of the 26th annual Australian Poultry Science Symposium, 242. Sydney: Poultry Research Foundation.
   Google Scholar
• Siegel, P. B., and E. A. Dunnington. 1985. “Reproductive Complications Associated with Selection for Broiler Growth.” In Poultry Genetics and Breeding, edited by W. G. Hill, J. M. Manson, and D. Hewitt, 59–72. Harlow: British Poultry Science .
   Google Scholar
• Stratmann,, A., E. K. F. Fröhlich, S. G. Gebhardt-Henrich, A. Harlander-Matauschek, H. Würbel, and M. J. Toscano. 2015. “Modification of Aviary Design Reduces Incidence of Falls, Collisions and Keel Bone Damage in Laying Hens.” Applied Animal Behaviour Science 165: 112–123. doi:10.1016/j.applanim.2015.01.012.
   Web of Science ®Google Scholar
• Walker, A., and S. Gordon. 2018. “Symposium on ‘Nutrition of Farm Animals Outdoors’ Intake of Nutrients from Pasture by Poultry.” Proceedings of the Nutrition Society 62: 253–256.
   Web of Science ®Google Scholar
• Xin, H., H. Morgan, M. A. Ibarburu, S. T. Millman, R. L. Parsons, B. F. Brehm-Stecher, H. J. Kim, and H. Li. 2012. “A Comprehensive Assessment of Aviary Laying-Hen Housing System for Egg Production in the Midwest.” Agricultural and Biosystems Engineering Technical Reports and White Papers. 3. http://lib.dr.iastate.edu/abe_eng_reports/3
   Google Scholar
• Yu, M. W., ., F. E. Robinson, R. G. Charles, and R. Weingardt. 1992. “Effect of Feed Allowance during Rearing and Breeding on Female Broiler Breeders: 2. Ovarian Morphology and Production.” Poultry Science 71: 1750–1761. doi:10.3382/ps.0711750.
   PubMed Web of Science ®Google Scholar
• Zeltner, E., and H. Hirt. 2003. “Effect of Artificial Structuring on the Use of Laying Hen Runs in a Free-range System.” British Poultry Science 44: 533–537. doi:10.1080/00071660310001616264.
   PubMed Web of Science ®Google Scholar