| A review of environmental enrichment for pigs housed in intensive housing systems HA van de Weerd, JEL Day Applied Animal Behaviour Science 116 (1), 1-20, 2009 | 466 | 2009 |
| A systematic approach towards developing environmental enrichment for pigs HA Van de Weerd, CM Docking, JEL Day, PJ Avery, SA Edwards Applied Animal Behaviour Science 84 (2), 101-118, 2003 | 353 | 2003 |
| The LayWel project: welfare implications of changes in production systems for laying hens HJ Blokhuis, TF Van Niekerk, W Bessei, A Elson, D Guémené, JB Kjaer, ... World's Poultry Science Journal 63 (1), 101-114, 2007 | 260 | 2007 |
| Effects of species-relevant environmental enrichment on the behaviour and productivity of finishing pigs HA Van de Weerd, CM Docking, JEL Day, K Breuer, SA Edwards Applied Animal Behaviour Science 99 (3-4), 230-247, 2006 | 221 | 2006 |
| Preferences for nesting material as environmental enrichment for laboratory mice HA Van de Weerd, PLP Van Loo, LFM Van Zutphen, JM Koolhaas, ... Laboratory animals 31 (2), 133-143, 1997 | 192 | 1997 |
| Review of environmental enrichment for broiler chickens AB Riber, HA Van De Weerd, IC De Jong, S Steenfeldt Poultry science 97 (2), 378-396, 2018 | 189 | 2018 |
| The development of harmful social behaviour in pigs with intact tails and different enrichment backgrounds in two housing systems HA Van de Weerd, CM Docking, JEL Day, SA Edwards Animal Science 80 (3), 289-298, 2005 | 183 | 2005 |
| Influence of cage enrichment on aggressive behaviour and physiological parameters in male mice PLP Van Loo, C Kruitwagen, JM Koolhaas, HA Van de Weerd, ... Applied Animal Behaviour Science 76 (1), 65-81, 2002 | 168 | 2002 |
| Effects of environmental enrichment for mice: variation in experimental results HA Van de Weerd, EL Aarsen, A Mulder, CLJJ Kruitwagen, ... Journal of Applied Animal Welfare Science 5 (2), 87-109, 2002 | 164 | 2002 |
| Nesting material as environmental enrichment has no adverse effects on behavior and physiology of laboratory mice HA Van de Weerd, PLP Van Loo, LFM Van Zutphen, JM Koolhaas, ... Physiology & behavior 62 (5), 1019-1028, 1997 | 160 | 1997 |
| Validation of a new system for the automatic registration of behaviour in mice and rats HA Van de Weerd, RJA Bulthuis, AF Bergman, F Schlingmann, J Tolboom, ... Behavioural processes 53 (1-2), 11-20, 2001 | 155 | 2001 |
| Preference for social contact versus environmental enrichment in male laboratory mice PLP Van Loo, HA Van de Weerd, LFM Van Zutphen, V Baumans Laboratory animals 38 (2), 178-188, 2004 | 154 | 2004 |
| Strength of preference for nesting material as environmental enrichment for laboratory mice HA Van de Weerd, PLP Van Loo, LFM Van Zutphen, JM Koolhaas, ... Applied Animal Behaviour Science 55 (3-4), 369-382, 1998 | 149 | 1998 |
| Strain specific behavioural response to environmental enrichment in the mouse. HA Van de Weerd, V Baumans, JM Koolhaas, LF Van Zutphen Journal of experimental animal science 36 (4-5), 117-127, 1994 | 148 | 1994 |
| Understanding behaviour: the relevance of ethological approaches in laboratory animal science IAS Olsson, CM Nevison, EG Patterson-Kane, CM Sherwin, ... Applied Animal Behaviour Science 81 (3), 245-264, 2003 | 144 | 2003 |
| The influence of age on the use of potential enrichment objects and synchronisation of behaviour of pigs CM Docking, HA Van de Weerd, JEL Day, SA Edwards Applied Animal Behaviour Science 110 (3-4), 244-257, 2008 | 133 | 2008 |
| A review of key health-related welfare issues in organic poultry production HA Van De Weerd, R Keatinge, S Roderick World's Poultry Science Journal 65 (4), 649-684, 2009 | 122 | 2009 |
| The effect of varying lengths of straw bedding on the behaviour of growing pigs JEL Day, HA Van de Weerd, SA Edwards Applied Animal Behaviour Science 109 (2-4), 249-260, 2008 | 98 | 2008 |
| Providing effective environmental enrichment to pigs: how far have we come? H van de Weerd, S Ison Animals 9 (5), 254, 2019 | 82 | 2019 |
| Effect of enrichment on variation and results in the light/dark test H Augustsson, HA Van De Weerd, CLJJ Kruitwagen, V Baumans Laboratory Animals 37 (4), 328-340, 2003 | 79 | 2003 |
Jon E. L. DayCerebrus Associates