{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T04:49:21Z","timestamp":1790398161299,"version":"4.1.0"},"reference-count":23,"publisher":"Akademiai Kiado Zrt.","issue":"2","license":[{"start":{"date-parts":[[2025,6,13]],"date-time":"2025-06-13T00:00:00Z","timestamp":1749772800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["akjournals.com"],"crossmark-restriction":true},"short-container-title":["AVet"],"published-print":{"date-parts":[[2025,6,13]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We examined aspects of husbandry, health and welfare of pet guinea pigs (<jats:italic>Cavia porcellus<\/jats:italic>, GP) in Norway. An online questionnaire (with 100 questions) was completed by 284\u2009GP owners. Crossbreeds were the most common (36.6%). Most GPs were between one and four years of age (67.2%). The sex ratio was about 50-50%. Animals were mainly housed indoors (64.1%) and only nine GPs had less space than 0.72\u2009m<jats:sup>2<\/jats:sup>. The incidence of stereotypic or negative behaviours was low. Nearly all GPs (93.3%) had <jats:italic>ad libitum<\/jats:italic> access to hay. Complete extruded or pelleted feeds were most commonly fed (80.6%). Almost 60% of the participants reported that their GP is fed fresh vegetables daily which may explain why 63.7% of the respondents never fed vitamin C supplements. Ectoparasites (21.1%) were the most prevalent health problems, followed by coughing and\/or sneezing (19.7%), abscesses (12.7%), and overgrown nails (11.6%). The only significant associations were that GPs over 3 years had more than two simultaneous health problems (<jats:italic>P<\/jats:italic> &lt; 0.005). Ovarian cysts were also more frequent among these animals (<jats:italic>P<\/jats:italic> &lt; 0.005). The most commonly utilized source of husbandry information was the internet (80.3%).<\/jats:p>","DOI":"10.1556\/004.2025.01162","type":"journal-article","created":{"date-parts":[[2025,6,5]],"date-time":"2025-06-05T15:55:13Z","timestamp":1749138913000},"page":"73-80","update-policy":"https:\/\/doi.org\/10.1556\/policypage.crossmark.crossref.2","source":"Crossref","is-referenced-by-count":2,"title":["Nutrition, health and welfare of Norwegian pet guinea pigs"],"prefix":"10.1556","volume":"73","author":[{"given":"Elena","family":"Olsen","sequence":"first","affiliation":[{"name":"University of Veterinary Medicine, Budapest, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zsombor","family":"Wagenhoffer","sequence":"additional","affiliation":[{"name":"Department of Animal Nutrition and Clinical Dietetics, Institute for Animal Breeding, Nutrition and Laboratory Animal Science, University of Veterinary Medicine, Budapest, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8772-0868","authenticated-orcid":true,"given":"Nikoletta","family":"Het\u00e9nyi","sequence":"additional","affiliation":[{"name":"Department of Animal Nutrition and Clinical Dietetics, Institute for Animal Breeding, Nutrition and Laboratory Animal Science, University of Veterinary Medicine, Budapest, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"425","reference":[{"key":"B1","series-title":"Vet. 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