{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,30]],"date-time":"2025-06-30T09:24:58Z","timestamp":1751275498958},"reference-count":0,"publisher":"Oxford University Press (OUP)","issue":"2","content-domain":{"domain":["eje.bioscientifica.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[1985,6]]},"abstract":"<jats:p>Abstract. The effects of pregnancy and early lactation on blood parameters were studied in 4 white-tailed does in 1981-82 and 8 in 1982-83. No year or fecundity effects (<jats:italic>P<\/jats:italic> &lt; 0.05) were found on plasma calcium (Ca), inorganic phosphorus (P), calcitonin (CT), parathyroid hormone (PTH), or oestradiol -17\u03b2 (E<jats:sub>2<\/jats:sub>). An increase (<jats:italic>P<\/jats:italic> &lt; 0.05) in dry matter and metabolic feed intake occurred during pregnancy and lactation. Plasma Ca tended to increase during pregnancy and peaked 5\u20137 weeks pre-partum, while hypocalcaemia was observed 1\u20132 weeks pre-partum. Elevated concentrations of plasma Ca and P were found during lactation. During the last trimester of pregnancy, plasma concentrations of alkaline phosphatase (AP), PTH, and E<jats:sub>2<\/jats:sub> but not of CT were higher (<jats:italic>P<\/jats:italic> &lt; 0.05) than in the other trimesters. The results indicate a physiological hyperparathyroidism in pregnant deer. Plasma concentrations of CT were higher (<jats:italic>P<\/jats:italic> &lt;0.05) during lactation and post-weaning than during pregnancy. Increased AP and PTH during late pregnancy may be responsible for Ca absorption and mobilization, whereas elevated plasma concentrations of E<jats:sub>2<\/jats:sub> may function to block excessive bone resorption. After parturition, lowered E<jats:sub>2<\/jats:sub> may allow bone resorption to proceed, relatively high PTH may enhance Ca absorption and mobilization, and elevated CT may protect the skeleton against excessive bone resorption.<\/jats:p>","DOI":"10.1530\/acta.0.1090269","type":"journal-article","created":{"date-parts":[[2008,12,15]],"date-time":"2008-12-15T21:53:47Z","timestamp":1229378027000},"page":"269-275","update-policy":"http:\/\/dx.doi.org\/10.1530\/crossmarkpolicy-1","source":"Crossref","is-referenced-by-count":5,"title":["Metabolism of calcium and phosphorus during pregnancy and lactation in white-tailed deer"],"prefix":"10.1093","volume":"109","author":[{"given":"Chun Chin","family":"Chao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert D.","family":"Brown","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leonard J.","family":"Deftos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","container-title":["Acta Endocrinologica"],"original-title":[],"link":[{"URL":"https:\/\/eje.bioscientifica.com\/view\/journals\/eje\/109\/2\/acta_109_2_023.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/eje.bioscientifica.com\/view\/journals\/eje\/109\/2\/acta_109_2_023.xml","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,2,14]],"date-time":"2023-02-14T16:21:20Z","timestamp":1676391680000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/ejendo\/article\/109\/2\/269\/6801695"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1985,6]]},"references-count":0,"journal-issue":{"issue":"2"},"URL":"https:\/\/doi.org\/10.1530\/acta.0.1090269","relation":{},"ISSN":["0804-4643","1479-683X"],"issn-type":[{"value":"0804-4643","type":"print"},{"value":"1479-683X","type":"electronic"}],"subject":[],"published":{"date-parts":[[1985,6]]}}}