Refinement Database

Database on Refinement of Housing, Husbandry, Care, and Use of Animals in Research

This database, created in 2000, is updated every four months with newly published scientific articles, books, and other publications related to improving or safeguarding the welfare of animals used in research.

Tips for using the database:

  • This landing page displays all of the publications in the database.
  • Use the drop-down menus to filter these publications by Animal Type, Setting, and/or Topic.
  • Clicking on a parent category (e.g., Rodent) will include publications relating to all the items in that category (e.g., Chinchilla, Gerbil, Guinea Pig, etc.).
  • You may also add a keyword to further narrow your search.
  • Please note that at this time, only publications dated 2010 or later (with some exceptions) can be filtered by Animal Type and Topic, and only publications dated 2020 or later (with some exceptions) can be filtered by Setting. Most publications older than 2010 can only be searched by keyword. 
Sørensen, D., Cloutier, S., Gaskill, B. (Eds.). 2021. Animal-centric Care and Management - Enhancing Refinement in Biomedical Research. CRC Press, Boca Raton, FL.

The concept of the 3Rs (Refinement, Reduction and Replacement) has been used as a framework for improving the welfare of laboratory animals for the last half century. By establishing an animal-centric view on housing and...

Stevens, C., Hawkins, P., Smulders, T. V. et al. 2021. Report of the 2020 RSPCA/UFAW rodent and rabbit welfare meeting. Animal Technology and Welfare 20(1), 21-33.

The RSPCA/UFAW rodent and rabbit welfare group has held a one-day meeting every autumn for the last 27 years, so that its members can discuss current welfare research, exchange views on welfare issues and share...

Bombail, V., Brown, S. M., Hammond, T. J. et al. 2021. Crying with laughter: Adapting the tickling protocol to address individual differences among rats in their response to playful handling. Frontiers in Veterinary Science 8, 677872.

In this Opinion paper, we consider whether current methods of tickling overemphasize the use of pinning (Figure 1) to which there may be a wider response variation than commonly acknowledged. We do not dispute that...

Song, M. K., Lee, J. H., Kim, Y.-J. 2021. Effect of chronic handling and social isolation on emotion and cognition in adolescent rats. Physiology & Behavior 237, 113440.

Adolescence is a critical period of establishing social relations through social interactions that affect the emotional development associated with stress responses, anxiety, depression, and cognitive development. We investigated the behavioral and neurobiological changes induced by...

Huber, N., Mahr, K., Tóth, Z. et al. 2021. The stressed bird in the hand: Influence of sampling design on the physiological stress response in a free-living songbird. Physiology & Behavior 238, 113488.

Despite the widely used application of standardized capture-handling protocols to collect blood and assess the physiological stress response, the actual sampling design (e.g., timing and the number of blood samples) often differs between studies, and...

Hodges, S. 2021. Practical Canine Behaviour: For Veterinary Nurses and Technicians (2nd ed). CABI, Wallingford, UK.

In this book Stephanie Hedges draws on more than 20 years as a practicing veterinary nurse and her training as a Certificated Clinical Animal Behaviourist (CCAB). She provides a quick reference and practically relevant canine...

Edes, A. N., Baskir, E., Bauman, K. L. et al. 2021. Effects of crowd size, composition, and noise level on pool use in a mixed-species penguin colony. Animal Behavior and Cognition 8(4), 507–520.

Studies on how visitors affect penguins in human care report a mixture of negative, neutral, and positive impacts on behavior and physiology. Swimming is a highly motivated behavior that may promote positive welfare in penguins...

Ramont, M., Leahy, M., Cronin, K. A. 2021. Domestic animal welfare at the zoo: The impact of an animal visitor interaction program on chickens. Animal Behavior and Cognition 8(1), 1–14.

Many modern zoos strive to create connections between guests and animals through animal visitor interaction (AVI) programs. However, there has been relatively little research into the effect of AVI programs on the welfare of program...

Wascher, C. A. F., Baur, N., Hengl, M. et al. 2021. Behavioral responses of captive corvids to the presence of visitors. Animal Behavior and Cognition 8(4), 481–492.

Behavioral responses of captive animals to the presence of visitors in zoos and wildlife parks can be interpreted as signs of negative (disturbance), neutral or positive (enrichment) welfare. In the present study, we investigated behavioral...

Muvhali, P. T., Bonato, M., Engelbrecht, A. et al. 2020. Extensive human presence and regular gentle handling improve growth, survival and immune competence in ostrich chicks. Journal of Applied Animal Welfare Science 23(1), 95-107.

A total of 416 day-old ostrich chicks were randomly allocated to one of the three different husbandry practices for 3 months after hatch; HP1 (extensive human presence with gentle human voice, visual and gentle physical...

Andreasen, S. N., Sandøe, P., Waiblinger, S. et al. 2020. Negative attitudes of Danish dairy farmers to their livestock correlates negatively with animal welfare. Animal Welfare 29(1), 89-98.

Positive stockperson attitudes to his or her animals is associated with a positive behavioural response in the animals and in other indicators assumed to reflect a high level of welfare as well as increased productivity...

Majecka, K., Pąsiek, M., Pietraszewski, D. 2020. Behavioural outcomes of housing for domestic dog puppies (Canis lupus familiaris). Applied Animal Behaviour Science 222, 104899.

Domestic dogs experience a sensitive period for learning during early life and conditions during this time can have important consequences in the adult. We investigated the effects of kennel environment during early life, comparing the...

Burn, C. C., Raffle, J., Bizley, J. K. 2020. Does 'playtime' reduce stimulus-seeking and other boredom-like behaviour in laboratory ferrets? Animal Welfare 29(1), 19-26.

Much environmental enrichment for laboratory animals is intended to enhance animal welfare and normalcy by providing stimulation to reduce 'boredom'. Behavioural manifestations of boredom include restless sensation-seeking behaviours combined with indicators of sub-optimal arousal. Here...

Costa, R., Leite Tamascia, M., Sanches, A. et al. 2020. Tactile stimulation of adult rats modulates hormonal responses, depression-like behaviors, and memory impairment induced by chronic mild stress: Role of angiotensin II. Behavioural Brain Research 379, 112250.

Physical touch can help to decrease the effects of stress. The aim of this study was to evaluate the influence of tactile stimulation on the hormonal and behavioral responses of young adult rats submitted to...

Unwin, S. L., Saunders, R. A., Blackwell, E.-J., et al. 2020. A double-blind, placebo-controlled trial investigating the value of Pet Remedy in ameliorating fear of handling of companion rabbits. Journal of Veterinary Behavior 36, 54-64.

Rabbits are popular companion animals. There are numerous welfare issues affecting the majority of the population, including the fact that most rabbits are fearful when handled. Pet Remedy ™ (Unex Designs) is an herbal product...

Okabe, S., Takayanagi, Y., Yoshida, M. et al. 2020. Gentle stroking stimuli induce affiliative responsiveness to humans in male rats. Scientific Reports 10, 9135.

Gentle tactile stimuli have been shown to play an important role in the establishment and maintenance of affiliative social interactions. Oxytocin has also been shown to have similar actions. We investigated the effects of gentle...

Reinhardt, V. (ed.) 2020. It’s Okay to Cry - Discussions by the Laboratory Animal Refinement & Enrichment Forum [LAREF], Volume V. Animal Welfare Institute, Washington, DC.

This is the 5th volume of selected discussions that took place on the electronic Laboratory Animal Refinement & Enrichment Forum between February 2016 and December 2019. The forum was created in October 2002; it allows...

Stevens, C., Finnegan, E., Clarkson, J. et al. 2020. Report of the 2019 RSPCA/UFAW Rodent Welfare meeting. Animal Technology and Welfare 19(2), 101-111.

The RSPCA/UFAW Rodent Welfare Group has held a one-day meeting every autumn for the last 26 years, so that its members can discuss current welfare research, exchange views on welfare issues, and share experiences of...

Pérez Fraga, P., Gerencsér, L., Andics, A. 2020. Human proximity seeking in family pigs and dogs. Scientific Reports 10(1), 20883.

Family dogs (Canis familiaris) seek human contact from an early age, can discriminate and prefer their caregivers over other humans. To investigate if being kept as a family animal is sufficient to induce similar early...

Wirth, S., Gebhardt-Henrich, S. G., Riemer, S. et al. 2020. The influence of human interaction on guinea pigs: Behavioral and thermographic changes during animal-assisted therapy. Physiology & Behavior 225, 113076.

Guinea pigs are often involved in animal-assisted therapy (AAT) but there is little knowledge about the effects of human contact on guinea pigs involved in AAT. The aim of this study was to investigate effects...

Hennessy, M. B., Willen, R. M., Schiml, P. A. 2020. Psychological stress, its reduction, and long-term consequences: What studies with laboratory animals might teach us about life in the dog shelter. Animals 10(11), 2061.

There is a long history of laboratory studies of the physiological and behavioral effects of stress, its reduction, and the later psychological and behavioral consequences of unmitigated stress responses. Many of the stressors employed in...

LaFollette, M. R., Cloutier, S., Brady, C. M. et al. 2020. Changing human behavior to improve animal welfare: A longitudinal investigation of training laboratory animal personnel about heterospecific play or “rat tickling”. Animals 10(8), 1435.

Despite evidence for rat tickling’s animal welfare benefits, the technique is rarely implemented in part because of a lack of training. This study’s purpose was to determine the efficacy of online-only or online + hands-on...

McMahon, S. A., Wigham, E. 2020. ‘All Ears’: A questionnaire of 1516 owner perceptions of the mental abilities of pet rabbits, subsequent resource provision, and the effect on welfare. Animals 10(10), 1730.

Pet rabbit welfare is a hidden crisis: Inappropriately housed, fed, and not routinely provided healthcare—rabbits can often suffer painful conditions and shortened lifespans. This study provides novel understanding of owners’ perceptions of rabbits’ mental capabilities...

Rault, J.-L., Waiblinger, S., Boivin, X. et al. 2020. The power of a positive human–animal relationship for animal welfare. Frontiers in Veterinary Science 7, 590867.

Domestic animals often seek and enjoy interacting with humans. Positive human–animal relationships can elicit positive emotions and other positive welfare outcomes. Nevertheless, our understanding of the underlying processes that govern the positive perception of humans...

Rojas, D., Broom, D. M., Orihuela, A. et al. 2020. Effects of human-animal relationship on animal productivity and welfare. Journal of Animal Behaviour and Biometeorology 8(3), 196-205.

This is a literature review of the effects of humans' relationships with farm animals on animal productivity and welfare, including the following topics: definition of the concept and description of different tests that have been...