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	1.	A review of environmental enrichment for laying hens during rearing in relation to their behavioral and physiological development. [electronic resource] by Campbell, D L M de Haas, E N Lee, C Producer: 20190206 In: Poultry science vol. 98 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Early rearing enrichments influenced nest use and egg quality in free-range laying hens. [electronic resource] by Bari, M S Cohen-Barnhouse, A M Campbell, D L M Producer: 20200914 In: Animal : an international journal of animal bioscience vol. 14 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Outdoor stocking density in free-range laying hens: effects on behaviour and welfare. [electronic resource] by Campbell, D L M Hinch, G N Downing, J A Lee, C Producer: 20171006 In: Animal : an international journal of animal bioscience vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Early enrichment in free-range laying hens: effects on ranging behaviour, welfare and response to stressors. [electronic resource] by Campbell, D L M Hinch, G N Downing, J A Lee, C Producer: 20180903 In: Animal : an international journal of animal bioscience vol. 12 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Egg production and egg quality in free-range laying hens housed at different outdoor stocking densities. [electronic resource] by Campbell, D L M Lee, C Hinch, G N Roberts, J R Producer: 20180514 In: Poultry science vol. 96 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Laying hen movement in a commercial aviary: Enclosure to floor and back again. [electronic resource] by Campbell, D L M Makagon, M M Swanson, J C Siegford, J M Producer: 20160324 In: Poultry science vol. 95 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Litter use by laying hens in a commercial aviary: dust bathing and piling. [electronic resource] by Campbell, D L M Makagon, M M Swanson, J C Siegford, J M Producer: 20160324 In: Poultry science vol. 95 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Nest use and patterns of egg laying and damage by 4 strains of laying hens in an aviary system. [electronic resource] by Villanueva, S Ali, A B A Campbell, D L M Siegford, J M Producer: 20180514 In: Poultry science vol. 96 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Perch use by laying hens in a commercial aviary. [electronic resource] by Campbell, D L M Makagon, M M Swanson, J C Siegford, J M Producer: 20170327 In: Poultry science vol. 95 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Laying hens in aviaries with different litter substrates: Behavior across the flock cycle and feather lipid content. [electronic resource] by Campbell, D L M Ali, A B A Karcher, D M Siegford, J M Producer: 20180514 In: Poultry science vol. 96 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Nighttime roosting substrate type and height among 4 strains of laying hens in an aviary system1. [electronic resource] by Ali, A B A Campbell, D L M Karcher, D M Siegford, J M Producer: 20190419 In: Poultry science vol. 98 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Influence of genetic strain and access to litter on spatial distribution of 4 strains of laying hens in an aviary system. [electronic resource] by Ali, A B A Campbell, D L M Karcher, D M Siegford, J M Producer: 20170411 In: Poultry science vol. 95 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	Failed landings after laying hen flight in a commercial aviary over two flock cycles. [electronic resource] by Campbell, D L M Goodwin, S L Makagon, M M Swanson, J C Siegford, J M Producer: 20160324 In: Poultry science vol. 95 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Outdoor stocking density in free-range laying hens: radio-frequency identification of impacts on range use. [electronic resource] by Campbell, D L M Hinch, G N Dyall, T R Warin, L Little, B A Lee, C Producer: 20170201 In: Animal : an international journal of animal bioscience vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)