{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T15:33:30Z","timestamp":1791300810194,"version":"4.1.0"},"reference-count":23,"publisher":"American Dairy Science Association","issue":"12","license":[{"start":{"date-parts":[[2007,12,1]],"date-time":"2007-12-01T00:00:00Z","timestamp":1196467200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,1,16]],"date-time":"2019-01-16T00:00:00Z","timestamp":1547596800000},"content-version":"vor","delay-in-days":4064,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"name":"New Zealand dairy farmers through Dairy InSight"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Dairy Science"],"published-print":{"date-parts":[[2007,12]]},"DOI":"10.3168\/jds.2007-0324","type":"journal-article","created":{"date-parts":[[2007,11,16]],"date-time":"2007-11-16T19:18:24Z","timestamp":1195240704000},"page":"5518-5530","source":"Crossref","is-referenced-by-count":57,"title":["Extending Lactation in Pasture-Based Dairy Cows: I. Genotype and Diet Effect on Milk and Reproduction"],"prefix":"10.3168","volume":"90","author":[{"given":"E.S.","family":"Kolver","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.R.","family":"Roche","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.R.","family":"Burke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.K.","family":"Kay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.W.","family":"Aspin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1747","reference":[{"key":"10.3168\/jds.2007-0324_bib1","doi-asserted-by":"crossref","first-page":"600","DOI":"10.3168\/jds.S0022-0302(01)74513-4","article-title":"The effect of extended calving intervals in high-yielding lactating cows on milk production and profitability","volume":"84","author":"Arbel","year":"2001","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib2","doi-asserted-by":"crossref","first-page":"3234","DOI":"10.3168\/jds.2006-683","article-title":"Effects of varying lactation length on milk production capacity of cows in pasture-based dairying systems","volume":"90","author":"Auldist","year":"2007","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib3","doi-asserted-by":"crossref","first-page":"507","DOI":"10.1071\/EA02217","article-title":"The potential for extended lactations in Victorian dairying: A review","volume":"44","author":"Borman","year":"2004","journal-title":"Aust. J. Exp. Agric."},{"key":"10.3168\/jds.2007-0324_bib4","first-page":"12","article-title":"Across breed evaluation of dairy cattle","volume":"56","author":"Harris","year":"1996","journal-title":"Proc. N. Z. Soc. Anim. Prod."},{"issue":"E. Suppl.","key":"10.3168\/jds.2007-0324_bib5","doi-asserted-by":"crossref","first-page":"E56","DOI":"10.3168\/jds.S0022-0302(01)70197-X","article-title":"A review of Holsteinization on intensive pastoral dairy farming in New Zealand","volume":"84","author":"Harris","year":"2001","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib6","doi-asserted-by":"crossref","first-page":"1231","DOI":"10.3168\/jds.S0022-0302(05)72790-9","article-title":"The interaction of strain of Holstein-Friesian cows and pasture based feed systems on milk yield, body weight and body condition score","volume":"88","author":"Horan","year":"2005","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib7","series-title":"Hannah Research Institute Yearbook 1998","article-title":"Extended lactation","author":"Knight","year":"1998"},{"key":"10.3168\/jds.2007-0324_bib8","first-page":"46","article-title":"Influence of dairy cow genotype on milksolids, body condition, and reproduction response to concentrate supplementation","volume":"65","author":"Kolver","year":"2005","journal-title":"Proc. N. Z. Soc. Anim. Prod."},{"key":"10.3168\/jds.2007-0324_bib9","first-page":"246","article-title":"Total mixed rations versus pasture diets: Evidence for a genotype\u00d7diet interaction in dairy cow performance","volume":"62","author":"Kolver","year":"2002","journal-title":"Proc. N. Z. Soc. Anim. Prod."},{"key":"10.3168\/jds.2007-0324_bib10","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1046\/j.1439-0531.2000.00278.x","article-title":"Reproductive performance of cows with extended calving interval","volume":"35","author":"Larsson","year":"2000","journal-title":"Reprod. Dom. Anim."},{"issue":"E-Suppl.","key":"10.3168\/jds.2007-0324_bib11","doi-asserted-by":"crossref","first-page":"E1277","DOI":"10.3168\/jds.S0022-0302(01)70158-0","article-title":"Reproductive loss in high-producing dairy cattle: Where will it end? J","volume":"84","author":"Lucy","year":"2001","journal-title":"Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib12","series-title":"Condition Scoring Dairy Herds","article-title":"Condition scoring made easy","author":"Macdonald","year":"2004"},{"key":"10.3168\/jds.2007-0324_bib13","doi-asserted-by":"crossref","first-page":"3993","DOI":"10.3168\/jds.2007-0119","article-title":"A comparison of three strains of Holstein-Friesian grazed on pasture. Growth, development, and puberty","volume":"90","author":"Macdonald","year":"2007","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib14","first-page":"40","article-title":"Impact of farm management decision rules on the production and profit of different strains of Holstein-Friesian dairy cows","volume":"65","author":"Macdonald","year":"2005","journal-title":"Proc. N. Z. Soc. Anim. Prod."},{"key":"10.3168\/jds.2007-0324_bib15","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1016\/S0301-6226(03)00036-8","article-title":"Extended calving interval in combination with milking two or three times per day: Effects on milk production and milk composition","volume":"82","author":"Osterman","year":"2003","journal-title":"Livest. Prod. Sci."},{"key":"10.3168\/jds.2007-0324_bib16","first-page":"263","article-title":"Milk production in Swedish dairy cows managed for calving intervals of 12 and 15 months","volume":"50","author":"Rehn","year":"2000","journal-title":"Acta Agric. Scand. Anim. Sci."},{"key":"10.3168\/jds.2007-0324_bib17","doi-asserted-by":"crossref","first-page":"777","DOI":"10.3168\/jds.S0022-0302(03)73659-5","article-title":"Effect of pregnancy on milk production and bodyweight from identical twin study","volume":"86","author":"Roche","year":"2003","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib18","doi-asserted-by":"crossref","first-page":"3532","DOI":"10.3168\/jds.S0022-0302(06)72393-1","article-title":"Holstein-Friesian strain and feed effects on milk production, body weight, and body condition score profiles in grazing dairy cows","volume":"89","author":"Roche","year":"2006","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib19","doi-asserted-by":"crossref","first-page":"3009","DOI":"10.3168\/jds.S0022-0302(05)72981-7","article-title":"Economic and environmental feasibility of a perennial cow dairy farm","volume":"88","author":"Rotz","year":"2005","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2007-0324_bib20","doi-asserted-by":"crossref","first-page":"495","DOI":"10.1016\/0093-691X(91)90478-V","article-title":"Factors affecting response of groups of dairy cows managed for different calving-conception intervals","volume":"36","author":"Schindler","year":"1991","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2007-0324_bib21","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1016\/j.theriogenology.2005.10.004","article-title":"Strategies for improving fertility in the modern dairy cow","volume":"65","author":"Thatcher","year":"2006","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2007-0324_bib22","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/S0301-6226(97)00069-9","article-title":"Management and economics of extended calving intervals with use of bovine somatotropin","volume":"50","author":"Van Amburgh","year":"1997","journal-title":"Livest. Prod. Sci."},{"key":"10.3168\/jds.2007-0324_bib23","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1080\/00480169.1996.35944","article-title":"Reproductive performance of lactating dairy cows following oestrus synchronisation with progesterone, oestradiol and prostaglandin","volume":"44","author":"Xu","year":"1996","journal-title":"N. Z. Vet. J."}],"container-title":["Journal of Dairy Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022030207720258?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022030207720258?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022030207720258","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,11,8]],"date-time":"2024-11-08T18:13:50Z","timestamp":1731089630000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022030207720258"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,12]]},"references-count":23,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2007,12]]}},"alternative-id":["S0022030207720258"],"URL":"https:\/\/doi.org\/10.3168\/jds.2007-0324","relation":{},"ISSN":["0022-0302"],"issn-type":[{"value":"0022-0302","type":"print"}],"subject":[],"published":{"date-parts":[[2007,12]]}}}