{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,10]],"date-time":"2025-09-10T22:17:10Z","timestamp":1757542630432},"reference-count":27,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[1984,6,1]],"date-time":"1984-06-01T00:00:00Z","timestamp":454896000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[1984,6,1]],"date-time":"1984-06-01T00:00:00Z","timestamp":454896000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Acta Vet Scand"],"published-print":{"date-parts":[[1984,6]]},"DOI":"10.1186\/bf03547270","type":"journal-article","created":{"date-parts":[[2021,1,4]],"date-time":"2021-01-04T16:21:17Z","timestamp":1609777277000},"page":"260-279","update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Clinical and Endocrinological Studies in Primiparous Post Partum Sows Effects of Lactation Length and Litter Size By"],"prefix":"10.1186","volume":"25","author":[{"given":"A.","family":"Kunauongkrit","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[1984,6,1]]},"reference":[{"key":"BF03547270_CR1","doi-asserted-by":"publisher","first-page":"141","DOI":"10.1677\/joe.0.0640141","volume":"64","author":"R. W. Ash","year":"1975","unstructured":"Ash, R. W. & R. B. Heap: Oestrogen, progesterone and corticosteroid concentrations in peripheral plasma of sows during pregnancy, parturition, lactation and after weaning. J. Endocr. 1975, 64, 141\u2013154.","journal-title":"J. Endocr"},{"key":"BF03547270_CR2","doi-asserted-by":"publisher","first-page":"318","DOI":"10.1016\/S0034-5288(18)32550-5","volume":"30","author":"E. Benjaminsen","year":"1981","unstructured":"Benjaminsen, E. & K. Karlberg: Post weaning oestrus and luteal function in primiparous and pluriparous sows. Res. Vet. Sci. 1981, 30, 318\u2013322.","journal-title":"Res. Vet. Sci"},{"key":"BF03547270_CR3","doi-asserted-by":"publisher","first-page":"201","DOI":"10.1016\/0093-691X(82)90104-2","volume":"18","author":"J. H. Brut","year":"1982","unstructured":"Brut, J. H. & D. G. Levis: Effect of altering suckling intervals of early weaned pigs on rebreeding performance of sows. Theriogenology 1982, 18, 201\u2013207.","journal-title":"Theriogenology"},{"key":"BF03547270_CR4","doi-asserted-by":"publisher","first-page":"891","DOI":"10.1016\/0039-128X(73)90060-3","volume":"22","author":"B. Boilert","year":"1973","unstructured":"Boilert, B., L.-E. Edqvist, E. D. B. Johansson, P. Lindberg & K. Martinsson: The influence of conjugated estrogens in radioimmunoassays using different antibodies against oestradiol-17\u03b2. Steroids 1973, 22, 891\u2013894.","journal-title":"Steroids"},{"key":"BF03547270_CR5","unstructured":"Booman, P. & D. F. M. van de Weil: Lactational anoestrus in the pig: Possible relationship with hyperprolactinaemia. Reports B-157, Instituut voor Veeteeltkundig Onderzoek \u201cSchoonoord\u201d 1980."},{"key":"BF03547270_CR6","doi-asserted-by":"publisher","first-page":"677","DOI":"10.1016\/0010-7824(76)90119-0","volume":"13","author":"W. T. K. Bosu","year":"1976","unstructured":"Bosu, W. T. K., L.-E. Edqvist, P. Lindberg, K. Martinsson & E. D. B. Johansson: The effect of various dosages of lynesterol on the plasma levels of oestrogens and progesterone during the menstrual cycle in the rhesus monkey. Contraception 1976, 13, 677\u2013684.","journal-title":"Contraception"},{"key":"BF03547270_CR7","unstructured":"Cox, N. M., J. H. Britt, W. D. Armstrong & H. D. Alhusen: Effect of fat-supplemented lactation ration and altered weaning schedule on rebreeding performance in primiparous sows. J. Anim. Sci. 1981, 53 (Suppl. 1), 178 (abstract)."},{"key":"BF03547270_CR8","unstructured":"Cox, N. M. & J. H. Britt: Relationship between endogenous GnRH and post weaning endocrine events in sows. J. Anim. Sci. 1981, 53 (Suppl. 1), 30\u201331 (abstract)."},{"key":"BF03547270_CR9","doi-asserted-by":"publisher","first-page":"507","DOI":"10.1677\/joe.0.0430507","volume":"43","author":"D. B. Crighton","year":"1969","unstructured":"Crighton, D. B. & G. E. Lamming: The lactational anoestrus of the sow: The status of the anterior pituitary-ovarian system during lactation and after weaning. J. Endocr. 1969, 43, 507\u2013519.","journal-title":"J. Endocr"},{"key":"BF03547270_CR10","unstructured":"Dubois, A., J. Josse, F. Martinat-Botte, M. Le Denmat, J. Saulnier, P. Vannier & J. C. Wandelet: Sows culling: Results of an inquiry. 6th I.P.V.S. Congress, Copenhagen 1980, p. 45."},{"key":"BF03547270_CR11","doi-asserted-by":"publisher","first-page":"161","DOI":"10.1530\/jrf.0.0670161","volume":"67","author":"S. Edwards","year":"1983","unstructured":"Edwards, S. & G. R. Foxcroft: Endocrine changes in sows weaned at two stages of lactation. J. Reprod. Fert. 1983, 67, 161\u2013172.","journal-title":"J. Reprod. Fert"},{"key":"BF03547270_CR12","first-page":"576","volume":"26","author":"S. Einarsson","year":"1974","unstructured":"Einarsson, S. & I. Settergren: Fruktsamhet och utslagsorsaker i ett antal mellansvenska suggbes\u00e4ttningar. (Fertility and culling in some pig breeding herds in Sweden). Nord. Vet.-Med. 1974, 26, 576\u2013584.","journal-title":"Nord. Vet.-Med"},{"key":"BF03547270_CR13","unstructured":"Einarsson, S., N. Lundeheim, K. Martinsson, N. Persson St I. Persson: Post mortem examination of the genital organs of culling sows from one large herd with relation to fertility data. 7th I.P.V.S. Congress, Mexico city 1982, p. 211."},{"key":"BF03547270_CR14","unstructured":"Helwig, J. T. & K. A. Council: SAS User\u2019s guide, SAS Institute, Inc. Raleigh, N. C., 1979."},{"key":"BF03547270_CR15","doi-asserted-by":"publisher","first-page":"95","DOI":"10.1530\/jrf.0.0700095","volume":"70","author":"R. N. Kirkwood","year":"1984","unstructured":"Kirkwood, R. N., K. R. Lapwood, W. C. Smith & I. L. Anderson: Plasma concentrations of LH, prolactin, oestradiol-17\u03b2 and progesterone in sows weaned after lactation for 10 or 35 days. J. Reprod. Fert. 1984, 70, 95\u2013102.","journal-title":"J. Reprod. Fert"},{"key":"BF03547270_CR16","doi-asserted-by":"publisher","first-page":"47","DOI":"10.1016\/0378-4320(82)90036-7","volume":"5","author":"A. Kunauongkrit","year":"1982","unstructured":"Kunauongkrit, A., S. Einarsson & I. Settergren: Follicular development in primiparous lactating sows. Anim. Reprod. Sci. 1982, 5, 47\u201356.","journal-title":"Anim. Reprod. Sci"},{"key":"BF03547270_CR17","first-page":"616","volume":"30","author":"A. Kunauongkrit","year":"1983","unstructured":"Kunauongkrit, A., H. Kindahl & A. Madej: Clinical and endocrinological studies in primiparous zero-weaned sows: 2. Hormonal patterns of normal cycling sows after zero-weaning. Zbl. Vet. Med A 1983, 30, 616\u2013624.","journal-title":"Hormonal patterns of normal cycling sows after zero-weaning. Zbl. Vet. Med A"},{"key":"BF03547270_CR18","doi-asserted-by":"publisher","first-page":"193","DOI":"10.1677\/joe.0.0690193","volume":"69","author":"N. Parvizi","year":"1976","unstructured":"Parvizi, N., F. Elsaesser, D. Smidt & F. Ellendoff: Plasma luteinizing hormone and progesterone in the adult female pig during the oestrous cycle, late pregnancy and lactation and after ovariectomy and pentobarbitone treatment. J. Endocr. 1976, 69, 193\u2013203.","journal-title":"J. Endocr"},{"key":"BF03547270_CR19","doi-asserted-by":"publisher","first-page":"255","DOI":"10.1136\/vr.92.10.255","volume":"92","author":"M. G. Pay","year":"1973","unstructured":"Pay, M. G.: The effect of short lactation on the productivity of sows. Vet. Rec. 1973, 92, 255\u2013259.","journal-title":"Vet. Rec"},{"key":"BF03547270_CR20","doi-asserted-by":"publisher","first-page":"318","DOI":"10.1186\/BF03546736","volume":"24","author":"H. Rodriguez","year":"1983","unstructured":"Rodriguez, H. & A. Kunauongkrit: Chronic venous catheterization for frequent blood sampling in unrestrained pigs. Acta vet. scand. 1983, 24, 318\u2013320.","journal-title":"Acta vet. scand"},{"key":"BF03547270_CR21","doi-asserted-by":"publisher","first-page":"453","DOI":"10.1016\/0093-691X(80)90057-6","volume":"14","author":"J. S. Stevenson","year":"1980","unstructured":"Stevenson, J. S. & J. H. Britt: Luteinizing hormone, total estrogens and progesterone secretion during lactation and after weaning in sows. Theriogenology 1980, 14, 453\u2013562.","journal-title":"Theriogenology"},{"key":"BF03547270_CR22","doi-asserted-by":"publisher","first-page":"177","DOI":"10.2527\/jas1981.531177x","volume":"53","author":"J. S. Stevenson","year":"1981","unstructured":"Stevenson, J. S. & J. H. Britt: Interval to estrus in sows and performance of pigs after alteration of litter size during late lactation. J. Anim. Sci. 1981, 53, 177\u2013181.","journal-title":"J. Anim. Sci"},{"key":"BF03547270_CR23","doi-asserted-by":"publisher","first-page":"341","DOI":"10.1095\/biolreprod24.2.341","volume":"24","author":"J. S. Stevenson","year":"1981","unstructured":"Stevenson, J. S., N. M. Cox & J. H. Britt: Role of the ovary in controlling luteinizing hormone, follicle stimulating hormone and prolactin secretion during and after lactation in pigs. Biol. Reprod. 1981, 24, 341\u2013353.","journal-title":"Biol. Reprod"},{"key":"BF03547270_CR24","first-page":"6","volume":"68","author":"R. Stupnicki","year":"1976","unstructured":"Stupnicki, R. & A. Madej: Radioimmunoassay of LH in blood plasma of farm animals. Endokrinologie 1976, 68, 6\u201313.","journal-title":"Endokrinologie"},{"key":"BF03547270_CR25","doi-asserted-by":"publisher","first-page":"1419","DOI":"10.2527\/jas1982.5361419x","volume":"53","author":"L. H. Thompson","year":"1981","unstructured":"Thompson, L. H., K. J. Hanford & A. H. Jensen: Estrus and fertility in lactating sows and piglets performance as influenced by limited nursing. J. Anim. Sci. 1981, 53, 1419\u20131423.","journal-title":"J. Anim. Sci"},{"key":"BF03547270_CR26","first-page":"209","volume":"27","author":"M. A. Varley","year":"1978","unstructured":"Varley, M. A. & D. J. A. Cole: Studies in sow reproduction: 6. The effect of lactation length on pre-implantation losses. Anim. Prod. 1978, 27, 209\u2013214.","journal-title":"The effect of lactation length on pre-implantation losses. Anim. Prod"},{"key":"BF03547270_CR27","doi-asserted-by":"publisher","first-page":"541","DOI":"10.1530\/jrf.0.0350541","volume":"35","author":"D. E. Wildt","year":"1973","unstructured":"Wildt, D. E., S. Fujimoto, J. L. Spencer & W. R. Dokelow: Direct ovarian observation in the pig by mean of laparoscopy. J. Reprod. Fert. 1973, 35, 541\u2013543.","journal-title":"J. Reprod. Fert"}],"container-title":["Acta Veterinaria Scandinavica"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/BF03547270.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/BF03547270\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/BF03547270.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,5,13]],"date-time":"2021-05-13T08:23:36Z","timestamp":1620894216000},"score":1,"resource":{"primary":{"URL":"https:\/\/actavetscand.biomedcentral.com\/articles\/10.1186\/BF03547270"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1984,6]]},"references-count":27,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1984,6]]}},"alternative-id":["BF03547270"],"URL":"https:\/\/doi.org\/10.1186\/bf03547270","relation":{},"ISSN":["1751-0147"],"issn-type":[{"value":"1751-0147","type":"electronic"}],"subject":[],"published":{"date-parts":[[1984,6]]},"assertion":[{"value":"2 April 1984","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"1 June 1984","order":2,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}]}}