{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T11:31:07Z","timestamp":1791718267983,"version":"4.3.4"},"reference-count":39,"publisher":"Oxford University Press (OUP)","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,9,1]]},"DOI":"10.2527\/jas.2008-1592","type":"journal-article","created":{"date-parts":[[2009,6,6]],"date-time":"2009-06-06T01:28:19Z","timestamp":1244251699000},"page":"2796-2805","source":"Crossref","is-referenced-by-count":34,"title":["Effects of thermal environment on hypothalamic-pituitary-adrenal axis hormones, oxytocin, and behavioral activity in periparturient sows"],"prefix":"10.1093","volume":"87","author":[{"given":"J.","family":"Malmkvist","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B. M.","family":"Damgaard","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L. J.","family":"Pedersen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.","family":"J\u00f8rgensen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Thodberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Chaloupkova\u0301","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. M.","family":"Bruckmaier","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","reference":[{"key":"key\n\t\t\t\t20180122021324_R1","first-page":"716","article-title":"A new look at the statistical model identification","volume":"AC-19","year":"1974","journal-title":"IEEE Trans. Automat. Contr."},{"key":"key\n\t\t\t\t20180122021324_R2","doi-asserted-by":"crossref","first-page":"267","DOI":"10.1016\/0168-1591(90)90142-Z","article-title":"The relationship between teat stimulation, oxytocin release and grunting rate in the sow during nursing","volume":"26","year":"1990","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R3","doi-asserted-by":"crossref","first-page":"399","DOI":"10.4141\/cjas85-046","article-title":"Effect of cannulation and environmental temperature on the concentration of serum cortisol in pregnant sows","volume":"65","year":"1985","journal-title":"Can. J. Anim. Sci."},{"key":"key\n\t\t\t\t20180122021324_R4","doi-asserted-by":"crossref","first-page":"2641","DOI":"10.2527\/1996.74112641x","article-title":"Effects of space allocation and temperature on periparturient maternal behaviors, stereoid concentrations, and piglet growth rates","volume":"74","year":"1996","journal-title":"J. Anim. Sci."},{"key":"key\n\t\t\t\t20180122021324_R5","volume-title":"Model Selection and Multimodel Inference: A Practical-Theoretic Approach,","year":"2002","edition":"2nd ed."},{"key":"key\n\t\t\t\t20180122021324_R6","doi-asserted-by":"crossref","first-page":"260","DOI":"10.1016\/j.applanim.2007.08.008","article-title":"Sow responsiveness to human contacts and piglet vocalization during 24 h after onset of parturition","volume":"112","year":"2008","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R7","doi-asserted-by":"crossref","first-page":"136","DOI":"10.1016\/j.rvsc.2008.05.003","article-title":"The effects of floor heating on body temperature, water consumption, stress response and immune competence around parturition in loose-housed sows","volume":"86","year":"2009","journal-title":"Res. Vet. Sci."},{"key":"key\n\t\t\t\t20180122021324_R8","doi-asserted-by":"crossref","first-page":"182","DOI":"10.1258\/002367700780457473","article-title":"A simplified technique for non-surgical catheterization of the vena cava cranialis in pigs and an evaluation of the method","volume":"34","year":"2000","journal-title":"Lab. Anim."},{"key":"key\n\t\t\t\t20180122021324_R9","doi-asserted-by":"crossref","first-page":"55","DOI":"10.1016\/S0168-1591(03)00111-4","article-title":"Does feed-back from a nest affect periparturient behaviour, heart rate and circulatory cortisol and oxytocin in gilts?","volume":"83","year":"2003","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R10","doi-asserted-by":"crossref","first-page":"2017","DOI":"10.2527\/1998.7682017x","article-title":"Does feed restriction mimic the effects of increased ambient temperature in lactating sows?","volume":"76","year":"1998","journal-title":"J. Anim. Sci."},{"key":"key\n\t\t\t\t20180122021324_R11","doi-asserted-by":"crossref","first-page":"91","DOI":"10.13031\/2013.1930","article-title":"Comparative evaluation of cooling systems for farrowing sows","volume":"17","year":"2001","journal-title":"Appl. Eng. Agric."},{"key":"key\n\t\t\t\t20180122021324_R12","doi-asserted-by":"crossref","first-page":"507","DOI":"10.1677\/joe.0.1720507","article-title":"Indomethacin blocks pre-partum nest building behaviour in the pig (Sus scrofa): Effects on plasma prostaglandin F metabolite, oxytocin, cortisol and progesterone","volume":"172","year":"2002","journal-title":"J. Endocrinol."},{"key":"key\n\t\t\t\t20180122021324_R13","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1113\/jphysiol.1994.sp020054","article-title":"Pulsatile secretion of oxytocin during parturition in the pig: Temporal relationship with fetal expulsion","volume":"475","year":"1994","journal-title":"J. Physiol."},{"key":"key\n\t\t\t\t20180122021324_R14","article-title":"Generalized additive models","volume-title":"Chapter 7 in Statistical Models.","year":"1993"},{"key":"key\n\t\t\t\t20180122021324_R15","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/S0301-6226(02)00183-5","article-title":"Development of thermoregulation and neonatal survival in pigs","volume":"78","year":"2002","journal-title":"Livest. Prod. Sci."},{"key":"key\n\t\t\t\t20180122021324_R16","doi-asserted-by":"crossref","first-page":"721","DOI":"10.2527\/1998.763721x","article-title":"Growth performance of pigs subjected to multiple concurrent environmental stressors","volume":"76","year":"1998","journal-title":"J. Anim. Sci."},{"key":"key\n\t\t\t\t20180122021324_R17","doi-asserted-by":"crossref","first-page":"131","DOI":"10.54846\/jshap\/403","article-title":"Environmental temperature, space allowance, and regrouping: Additive effects of multiple concurrent stressors in growing pigs","volume":"13","year":"2005","journal-title":"J. Swine Health Prod."},{"key":"key\n\t\t\t\t20180122021324_R18","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/S0168-1591(99)00013-1","article-title":"The responsiveness of sows to their piglets in relation to the length of parturition and the involvement of endogenous opioids","volume":"63","year":"1999","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R19","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1016\/S0168-1591(00)00183-0","article-title":"The effect of parity and environmental restriction on behavioural and physiological responses of pre-parturient pigs","volume":"71","year":"2001","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R20","doi-asserted-by":"crossref","first-page":"305","DOI":"10.1186\/BF03546734","article-title":"Endocrine effects of heat stress in boars","volume":"24","year":"1983","journal-title":"Acta Vet. Scand."},{"key":"key\n\t\t\t\t20180122021324_R21","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/0168-1591(94)90165-1","article-title":"The effect of environment on behaviour, plasma cortisol and prolactin in parturient sows","volume":"39","year":"1994","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R22","doi-asserted-by":"crossref","first-page":"917","DOI":"10.1016\/0031-9384(92)90371-8","article-title":"Naloxone prevents interruption of parturition and increases plasma oxytocin following environmental disturbance in parturient sows","volume":"52","year":"1992","journal-title":"Physiol. Behav."},{"key":"key\n\t\t\t\t20180122021324_R23","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1530\/jrf.0.0840345","article-title":"Endogenous opioid actions and effects of environmental disturbance on parturition and oxytocin secretion in rats","volume":"84","year":"1988","journal-title":"J. Reprod. Fertil."},{"key":"key\n\t\t\t\t20180122021324_R24","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1677\/joe.0.1140247","article-title":"Stress-induced disruption of parturition in the rat may be mediated by endogenous opioids","volume":"114","year":"1987","journal-title":"J. Endocrinol."},{"key":"key\n\t\t\t\t20180122021324_R25","volume-title":"SAS System for Mixed Models.","year":"1996"},{"key":"key\n\t\t\t\t20180122021324_R26","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1016\/j.applanim.2005.10.007","article-title":"Does floor heating around parturition affect the vitality of piglets born to loose housed sows?","volume":"99","year":"2006","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R27","doi-asserted-by":"crossref","first-page":"809","DOI":"10.2527\/jas1972.345809x","article-title":"Effects of humidity and temperature on porcine plasma adrenal corticoids, ACTH and growth hormone levels","volume":"34","year":"1972","journal-title":"J. Anim. Sci."},{"key":"key\n\t\t\t\t20180122021324_R28","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1079\/9780851993591.0043","article-title":"Neuroendocrine responses to stress","volume-title":"The Biology of Animal Stress. Basic Principles and Implications for Animal Welfare.","year":"2000"},{"key":"key\n\t\t\t\t20180122021324_R29","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1016\/j.physbeh.2006.12.003","article-title":"Exploration of the hypothalamic-pituitary-adrenal function as a tool to evaluate animal welfare","volume":"92","year":"2007","journal-title":"Physiol. Behav."},{"key":"key\n\t\t\t\t20180122021324_R30","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/S0168-1591(03)00116-3","article-title":"Effects of feed-back from the nest on maternal responsiveness and postural changes in primiparous sows during the first 24 h after farrowing onset","volume":"83","year":"2003","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R31","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.applanim.2006.03.015","article-title":"The use of heated floor area by sows and piglets in farrowing pens","volume":"103","year":"2007","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R32","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1016\/S0168-1591(99)00104-5","article-title":"Floor temperature preference of sows at farrowing","volume":"67","year":"2000","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R33","first-page":"1","article-title":"nlme: Linear and nonlinear mixed effects models","volume-title":"R Package Version 3.","year":"2005"},{"key":"key\n\t\t\t\t20180122021324_R34","volume-title":"R: A Language and Environment for Statistical Computing.","author":"R Development Core Team","year":"2005"},{"key":"key\n\t\t\t\t20180122021324_R35","doi-asserted-by":"crossref","first-page":"923","DOI":"10.1016\/0031-9384(93)90270-P","article-title":"Opioid modulation of the effects of repeated stress on ACTH, cortisol, prolactin and growth hormone in pigs","volume":"53","year":"1993","journal-title":"Physiol. Behav."},{"key":"key\n\t\t\t\t20180122021324_R36","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1530\/acta.0.1030180","article-title":"Oxytocin determination by radioimmunoassay","volume":"103","year":"1983","journal-title":"Acta Endocrinol. (Copenh.)"},{"key":"key\n\t\t\t\t20180122021324_R37","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1016\/S0168-1591(02)00026-6","article-title":"Nest building and farrowing in sows: Relation to the reaction pattern during stress, farrowing environment and experience","volume":"77","year":"2002","journal-title":"Appl. Anim. Behav. Sci."},{"key":"key\n\t\t\t\t20180122021324_R38","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/S0301-6226(03)00114-3","article-title":"Oxytocin, prolactin and somatostatin in lactating sows: Associations with mobilisation of body resources and maternal behaviour","volume":"85","year":"2004","journal-title":"Livest. Prod. Sci."},{"key":"key\n\t\t\t\t20180122021324_R39","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1006\/frne.1998.0172","article-title":"Forebrain pathways mediating stress-induced hormone secretion","volume":"20","year":"1999","journal-title":"Front. Neuroendocrinol."}],"container-title":["Journal of Animal Science"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/jas\/article-pdf\/87\/9\/2796\/23581793\/2796.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,2,9]],"date-time":"2025-02-09T23:57:35Z","timestamp":1739145455000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/jas\/article\/87\/9\/2796-2805\/4793311"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,9,1]]},"references-count":39,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2009,9,1]]}},"URL":"https:\/\/doi.org\/10.2527\/jas.2008-1592","relation":{},"ISSN":["0021-8812","1525-3163"],"issn-type":[{"value":"0021-8812","type":"print"},{"value":"1525-3163","type":"electronic"}],"subject":[],"published-other":{"date-parts":[[2009,9]]},"published":{"date-parts":[[2009,9,1]]}}}