Welfare Assessment

Includes methods and protocols to monitor or assess animal health, pain, and other emotions.

Haughton, C. L., Gawriluk, T. R., Seifert, A. W. 2016. The biology and husbandry of the African spiny mouse (Acomys cahirinus) and the research uses of a laboratory colony. JAALAS 55(1), 9–17.

African spiny mice (Acomysspp.) are unique precocial rodents that are found in Africa, the Middle East, and southern Asia. They exhibit several interesting life-history characteristics, including precocial development, communal breeding, and a suite of physiologic...

Dunbar, M. L., David, E. M., Aline, M. R. et al. 2016. Validation of a behavioral ethogram for assessing postoperative pain in guinea pigs (Cavia porcellus). JAALAS 55(1), 29–34.

Although guinea pigs (Cavia porcellus) have been used in research for more than a century and remain the most prevalent USDA-covered species, little has been elucidated regarding the recognition of clinical pain or analgesic efficacy...

Brenneis, C., Westhof, A., Holschbach, J. et al. 2017. Automated tracking of motion and body weight for objective monitoring of rats in colony housing. JAALAS 56(1), 18-31.

Living together in large social communities within an enriched environment stimulates self-motivated activity in rats. We developed a modular housing system in which a single unit can accommodate as many as 48 rats and contains...

Oliver, V. L., Athavale, S., Simon, K. E. et al. 2017. Evaluation of pain assessment techniques and analgesia efficacy in a female guinea pig (Cavia porcellus) model of surgical pain. JAALAS 56(4), 425-435.

Guinea pigs (Cavia porcellus) are a frequently used species in research, often involving potentially painful procedures. Therefore, evidence-based recommendations regarding analgesia are critically needed to optimize their wellbeing. Our laboratory examined the efficacy of carprofen...

Oliver, V. L., Thurston, S. E., Lofgren, J. L. 2018. Using cageside measures to evaluate analgesic efficacy in mice (Mus musculus) after surgery. JAALAS 57(2), 186-201.

Recent studies have revealed some of the most frequently used analgesics in mice are not effectively treating postoperative pain. Our laboratory sought to compare and assess the validity and reliability of 2 cageside pain assessments...

Dalla Costa, E., Stucke, D., Dai, F. et al. 2016. Using the Horse Grimace Scale (HGS) to assess pain associated with acute laminitis in horses (Equus caballus). Animals 6(8), 47.

Acute laminitis is a common equine disease characterized by intense foot pain, both acutely and chronically. The Obel grading system is the most widely accepted method for describing the severity of laminitis by equine practitioners...

Mellor, D. 2016. Moving beyond the “Five Freedoms” by updating the “Five Provisions” and introducing aligned “Animal Welfare Aims”. Animals 6(10), 59.

Although the Five Freedoms paradigm has been very influential in shaping animal welfare thinking for the last two decades, it has two key disadvantages. First, the focus on “freedom” from a range of negative experiences...

Mellor, D. Operational details of the five domains model and its key applications to the assessment and management of animal welfare. Animals 7(8), 60.

In accord with contemporary animal welfare science understanding, the Five Domains Model has a significant focus on subjective experiences, known as affects, which collectively contribute to an animal’s overall welfare state. Operationally, the focus of...

Musk, G., Jacobsen, S., Hyndman, T. et al. 2017. Objective measures for the assessment of post-operative pain in Bos indicus bull calves following castration. Animals 7(10), 76.

The aim of the study was to assess pain in Bos indicus bull calves following surgical castration. Forty-two animals were randomised to four groups: no castration (NC, n = 6); castration with pre-operative lidocaine (CL...

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