Concentrations of calcium and 25-hydroxycholecalciferol (vitamin D₃) in plasma of wild kākāpō (Strigops habroptilus) living on two islands in New Zealand

References

• *Al-Ajeeli M, Leyva-Jimenez HE, Gutierrez O, Bailey CA. Comparison of a commercial ELISA (25-OH-Vitamin D Kit, Eagle Biosciences®) and liquid chromatography-mass spectrometry (LC/MS) assay to determine the serum 25-hydroxycholecalciferol in the broiler chicken. Proceedings of the Poultry Science Association Annual Meeting, P 40, Louisville, KY, USA, 2015
   Google Scholar
• Blanco G, Lemus JA, García-Montijano M. When conservation management becomes contraindicated: impact of food supplementation on health of endangered wildlife. Ecological Applications 21, 2469–77, 2011 doi: 10.1890/11-0038.1
   PubMed Web of Science ®Google Scholar
• Clout MN, Elliott GP, Robertson BC. Effects of supplementary feeding on the offspring sex ratio of kakapo: a dilemma for the conservation of a polygynous parrot. Biological Conservation 107, 13–8, 2002 doi: 10.1016/S0006-3207(01)00267-1
   Web of Science ®Google Scholar
• Elliott GP. A simulation of the future of kakapo. Notornis 53, 164–72, 2006
   Google Scholar
• Ewen JG, Walker L, Canessa S, Groombridge JJ. Improving supplementary feeding in species conservation. Conservation Biology 29, 341–9, 2015 doi: 10.1111/cobi.12410
   PubMed Web of Science ®Google Scholar
• Farrell C-J, Herrmann M. Determination of vitamin D and its metabolites. Best Practice and Research Clinical Endocrinology and Metabolism 27, 675–88, 2013 doi: 10.1016/j.beem.2013.06.001
   PubMed Web of Science ®Google Scholar
• Houston D, McInnes K, Elliott G, Eason D, Moorhouse R, Cockrem J. The use of a nutritional supplement to improve egg production in the endangered kakapo. Biological Conservation 138, 248–55, 2007 doi: 10.1016/j.biocon.2007.04.023
   Web of Science ®Google Scholar
• Howard LL, Kass PH, Lamberski N, Wack RF. Serum concentrations of ionised calcium, vitamin D3, and parathyroid hormone in captive thick-billed parrots (Rhynchopsitta pachyrhyncha). Journal of Zoo and Wildlife Medicine 35, 147–53, 2004 doi: 10.1638/03-062
   PubMed Web of Science ®Google Scholar
• Inpanbutr N, Reiswig JD, Bacon WL, Slemons RD, Iacopino AM. Effect of vitamin D on testicular CaBP28 K expression and serum testosterone in chickens. Biology of Reproduction 54, 242–8, 1996 doi: 10.1095/biolreprod54.1.242
   PubMed Web of Science ®Google Scholar
• Kühn J, Schutkowski A, Hirche F, Baur AC, Mielenz N, Stangl GI. Non-linear increase of vitamin D content in eggs from chicks treated with increasing exposure times of ultraviolet light. The Journal of Steroid Biochemistry and Molecular Biology 148, 7–13, 2015 doi: 10.1016/j.jsbmb.2014.10.015
   PubMed Web of Science ®Google Scholar
• Lankes U, Elder PA, Lewis JG, George P. Differential extraction of endogenous and exogenous 25-OH-vitamin D from serum makes the accurate quantification in liquid chromatography-tandem mass spectrometry assays challenging. Annals of Clinical Biochemistry: International Journal of Laboratory Medicine 52, 151–60, 2015 doi: 10.1177/0004563214533316
   PubMed Web of Science ®Google Scholar
• Low M, Eason D, Elliott G, McInnes K, Paul-Murphy J. Hematologic and biochemical reference ranges for the Kakapo (Strigops habroptilus): generation and interpretation in a field-based wildlife recovery program. Journal of Avian Medicine and Surgery 20, 80–8, 2006 doi: 10.1647/2003-036.1
   Web of Science ®Google Scholar
• McDonald DL, Jaensch S, Harrison GJ, Gelis S, Brennan D, Sacks P, Bernardo D. Health and nutritional status of wild Australian psittacine birds: an evaluation of plasma and hepatic mineral levels, plasma biochemical values, and fecal microflora. Journal of Avian Medicine and Surgery 24, 288–98, 2010 doi: 10.1647/2004-025.1
   PubMed Web of Science ®Google Scholar
• Nascimento GRd, Murakami AE, Guerra A, Ospinas-Rojas IC, Ferreira MFZ, Fanhani JC. Effect of different vitamin D sources and calcium levels in the diet of layers in the second laying cycle. Revista Brasileira de Ciência Avícola 16, 37–42, 2014 doi: 10.1590/1516-635x160237-42
   Google Scholar
• Olds JE, Burrough E, Madson D, Ensley S, Horst RH, Janke B, Schwartz K, Stevenson GW, Gauger P, Cooper VL, et al. Clinical investigation into feed-related hypervitaminosis D in a captive flock of budgerigars (Melopsittacus undulatus): morbidity, mortalities, and pathologic lesions. Journal of Zoo and Wildlife Medicine 46, 9–17, 2015 doi: 10.1638/2013-0062R2.1
   PubMed Web of Science ®Google Scholar
• Raubenheimer D, Simpson SJ. The challenge of supplementary feeding: can geometric analysis help save the kakapo? Notornis 53, 100–11, 2006
   Google Scholar
• Rettenmund CL, Heatley JJ, Russell KE. Comparison of two analyzers to determine selected venous blood analytes of quaker parrots (Myiopsitta monachus). Journal of Zoo and Wildlife Medicine 45, 256–62, 2014 doi: 10.1638/2013-0046R3.1
   PubMed Web of Science ®Google Scholar
• Schaftenaar W, Van Leeuwen JPTM. The influence of ultraviolet-B radiation on the growth of marabou stork (Leptoptilos crumeniferus) nestlings in relation to plasma calcium, phosphorus, and vitamin D3 concentrations. Journal of Zoo and Wildlife Medicine 46, 682–90, 2015 doi: 10.1638/2014-0031.1
   PubMed Web of Science ®Google Scholar
• Stanford M. Effects of UVB radiation on calcium metabolism in psittacine birds. Veterinary Record 159, 236–41, 2006 doi: 10.1136/vr.159.8.236
   PubMed Web of Science ®Google Scholar
• Stanford M. Clinical pathology of hypocalcaemia in adult grey parrots (Psittacus erithacus). Veterinary Record 161, 456–7, 2007 doi: 10.1136/vr.161.13.456
   PubMed Web of Science ®Google Scholar
• Steinmetz HW, Vogt RK, Kästner S, Riond B, Hatt J-M. Evaluation of the i-STAT portable clinical analyzer in chickens (Gallus gallus). Journal of Veterinary Diagnostic Investigation 19, 382–8, 2007 doi: 10.1177/104063870701900407
   PubMed Web of Science ®Google Scholar
• Tollington S, Greenwood A, Jones CG, Hoeck P, Chowrimootoo A, Smith D, Richards H, Tatayah V, Groombridge JJ. Detailed monitoring of a small but recovering population reveals sublethal effects of disease and unexpected interactions with supplemental feeding. Journal of Animal Ecology 84, 969–77, 2015 doi: 10.1111/1365-2656.12348
   PubMed Web of Science ®Google Scholar
• Von Hurst PR, Moorhouse RJ, Raubenheimer D. Preferred natural food of breeding Kakapo is a high value source of calcium and vitamin D. The Journal of Steroid Biochemistry and Molecular Biology 164, 177–9, 2016 doi: 10.1016/j.jsbmb.2015.10.017
   PubMed Web of Science ®Google Scholar
• Woodhouse SJ, Rick M. The effect of UVB radiation on serum vitamin D and ionized calcium in the African spoonbill (Platalea alba). Journal of Zoo and Wildlife Medicine 47, 447–56, 2016 doi: 10.1638/2014-0239.1
   PubMed Web of Science ®Google Scholar