{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T13:49:53Z","timestamp":1792590593794,"version":"4.5.0"},"reference-count":35,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2019,4,15]],"date-time":"2019-04-15T00:00:00Z","timestamp":1555286400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100007698","name":"university of florida","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007698","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Feline Medicine and Surgery"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The objective of this study was to assess the utility of using body weight for age determination in kittens.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Medical records were reviewed for serial body weight measurements collected from neonatal kittens (up to 8 weeks of age) from a breeding colony of specific pathogen-free domestic shorthair cats and for single-point body weight measurements of privately owned pediatric kittens (6\u201320 weeks of age) presenting for elective sterilization. Body weights were compared with known dates of birth and age assessed by dental eruption in combination with developmental characteristics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The coefficient of determination (R\n                      <jats:sup>2<\/jats:sup>\n                      ) between age and body weight in longitudinally sampled neonatal kittens was 0.88, while that for pediatric kittens sampled at a single time point was 0.54. Among neonatal kittens, predicted age based on the 1 lb (0.45 kg) of body weight gain per month of age guideline corresponded to within 1 week of actual age for 243 (98.8%), 234 (95.1%), 203 (82.5%) and 191 (77.6%) kittens at 2, 4, 6 and 8 weeks of age, respectively. Among pediatric kittens, predicted age based on this guideline corresponded to within 1 week of actual age for 24 (77.4%), 411 (67.5%), 170 (57.0%), 96 (46.6%), 23 (28.8%), 15 (27.8%), one (25%) and five (17.9%) kittens at 6, 8, 10, 12, 14, 16, 18 and 20 weeks, respectively.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions and relevance<\/jats:title>\n                    <jats:p>Body weight was an effective means of predicting age in kittens through 10 weeks of age. Factors other than body weight should be considered when estimating kitten age beyond that time point.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1098612x19844846","type":"journal-article","created":{"date-parts":[[2019,4,15]],"date-time":"2019-04-15T03:54:02Z","timestamp":1555300442000},"page":"322-328","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":17,"title":["Assessment of body weight for age determination in kittens"],"prefix":"10.1177","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5479-3585","authenticated-orcid":false,"given":"Brian A","family":"DiGangi","sequence":"first","affiliation":[{"name":"Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica","family":"Graves","sequence":"additional","affiliation":[{"name":"Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine M","family":"Budke","sequence":"additional","affiliation":[{"name":"Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&amp;M University, College Station, TX, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julie K","family":"Levy","sequence":"additional","affiliation":[{"name":"Maddie\u2019s Shelter Medicine Program, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sylvia","family":"Tucker","sequence":"additional","affiliation":[{"name":"Maddie\u2019s Shelter Medicine Program, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie","family":"Isaza","sequence":"additional","affiliation":[{"name":"Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2019,4,15]]},"reference":[{"key":"e_1_3_2_2_2","unstructured":"Newbury S Blinn MK Bushby PA et al. 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Guidelines for veterinarians: prevention of zoonotic transmission of ascarids and hookworms of dogs and cats. http:\/\/www.cdc.gov\/parasites\/zoonotichookworm\/resources\/prevention.pdf (2012 accessed October 2018)."},{"key":"e_1_3_2_15_2","unstructured":"Companion Animal Parasite Council. CAPC guidelines. https:\/\/capcvet.org\/guidelines\/ (2018 accessed October 2018)."},{"key":"e_1_3_2_16_2","unstructured":"American Pet Products Association. APPA national pet owners survey 2017\u20132018. Stamford CT: American Pet Products Association 2018."},{"key":"e_1_3_2_17_2","unstructured":"Shelter Animals Count. Detailed data summary. https:\/\/shelteranimalscount.org\/data\/Explore-the-Data\/explore-the-data-summary (2018 accessed October 2018)."},{"key":"e_1_3_2_18_2","doi-asserted-by":"publisher","DOI":"10.1053\/jcpa.1998.0298"},{"key":"e_1_3_2_19_2","doi-asserted-by":"publisher","DOI":"10.1177\/1098612X11432239"},{"key":"e_1_3_2_20_2","unstructured":"Peel C. 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Relocation of dogs & cats for adoption. https:\/\/www.avma.org\/KB\/Resources\/Reference\/AnimalWelfare\/Documents\/AVMA_BestPracticesAdoption_Brochure.pdf (2014 accessed October 2018)."},{"key":"e_1_3_2_30_2","doi-asserted-by":"publisher","DOI":"10.1080\/10888705.2014.971156"},{"key":"e_1_3_2_31_2","doi-asserted-by":"publisher","DOI":"10.1207\/S15327604JAWS0501_3"},{"key":"e_1_3_2_32_2","doi-asserted-by":"publisher","DOI":"10.1186\/1746-6148-8-62"},{"key":"e_1_3_2_33_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.1970.tb05610.x"},{"key":"e_1_3_2_34_2","doi-asserted-by":"publisher","DOI":"10.1079\/BJN19560046"},{"key":"e_1_3_2_35_2","doi-asserted-by":"publisher","DOI":"10.1002\/ar.1090600113"},{"key":"e_1_3_2_36_2","doi-asserted-by":"publisher","DOI":"10.1017\/S0007114511003333"}],"container-title":["Journal of Feline Medicine and Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1098612X19844846","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1098612X19844846","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1098612X19844846","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T13:29:40Z","timestamp":1792589380000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1098612X19844846"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,4,15]]},"references-count":35,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2020,4]]}},"alternative-id":["10.1177\/1098612X19844846"],"URL":"https:\/\/doi.org\/10.1177\/1098612x19844846","relation":{},"ISSN":["1098-612X","1532-2750"],"issn-type":[{"value":"1098-612X","type":"print"},{"value":"1532-2750","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,4,15]]}}}