{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T10:10:30Z","timestamp":1776679830926,"version":"3.51.2"},"reference-count":27,"publisher":"Walter de Gruyter GmbH","issue":"1","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,6,26]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Sheep farming plays a key role in the sustainability of the most depressed rural regions of Portugal, particularly in the Serra da Estrela region, and is recognized as an important source of income for many local farmers. Thus, the management of local sheep breeds in the region has over generations given rise to its most emblematic product: Serra da Estrela cheese, with Protected Designation of Origin (PDO). This study aims to briefly describe the sheep farms producing certified milk in the Serra da Estrela region. To this end, a survey form was drawn up and applied to 75 farms, randomly selected, from the defined geographical area of Serra da Estrela, from June to August 2020. The results show that the producers, mostly male, have an average age close to 51 years. On average, the herd size is equal to or greater than 100 animals and the daily milk production per animal varies between 0.47 and 1.0\u2009L. The price of milk paid to the producer is, on average, at 1.25\u2009Euros\/L. Both the average herd size and the lactation length are higher than those described by others. The average daily milk production in most of these farms is in accordance with the standard average value related by other authors.<\/jats:p>","DOI":"10.1515\/opag-2021-0024","type":"journal-article","created":{"date-parts":[[2021,6,26]],"date-time":"2021-06-26T20:09:02Z","timestamp":1624738142000},"page":"426-434","source":"Crossref","is-referenced-by-count":5,"title":["Characterization of dairy sheep farms in the Serra da Estrela PDO region"],"prefix":"10.1515","volume":"6","author":[{"given":"Ant\u00f3nio","family":"Monteiro","sequence":"first","affiliation":[{"name":"CERNAS-IPV Research Centre, Agrarian School, Polytechnic Institute of Viseu, Campus Polit\u00e9cnico , Repeses , 3504-510 Viseu , Portugal"}]},{"given":"S\u00e9rgio","family":"Santos","sequence":"additional","affiliation":[{"name":"Agrarian Superior School, Polytechnic Institute of Viseu , Quinta da Alagoa , 3500-606 Viseu , Portugal"}]}],"member":"374","published-online":{"date-parts":[[2021,6,26]]},"reference":[{"key":"2022010410234215028_j_opag-2021-0024_ref_001","doi-asserted-by":"crossref","unstructured":"Pellin V\n, \nRibeiro J\n, \nMantovaneli O\n. Contribui\u00e7\u00e3o dos produtos tradicionais para o territ\u00f3rio: a experi\u00eancia do queijo Serra da Estrela, em Portugal. Rev Territ\u00f3rios Fronteiras. 2016;9:265\u201384. 10.22228\/rt-f.v9i1.430.","DOI":"10.22228\/rt-f.v9i1.430"},{"key":"2022010410234215028_j_opag-2021-0024_ref_002","doi-asserted-by":"crossref","unstructured":"Ktavaria F\n, \nMalcata F\n. On the microbiology of Serra da Estrela cheese: geographical and chronological considerations. Food Microbiol. 2000;17:293\u2013304. 10.1006\/fmic.1999.0315.","DOI":"10.1006\/fmic.1999.0315"},{"key":"2022010410234215028_j_opag-2021-0024_ref_003","unstructured":"Barbosa J\n. O sistema tradicional de explora\u00e7\u00e3o de ovinos em Bragan\u00e7a. S\u00e9rie Estudos. 2000;46:33\u2013141."},{"key":"2022010410234215028_j_opag-2021-0024_ref_004","doi-asserted-by":"crossref","unstructured":"Coelho D\n, \nCarrola T\n, \nCouvinhas A\n. Improvement of certified artisan cheese production through systemic analysis \u2013 Serra da Estrela PDO. Sustainability. 2017;9:468. 10.3390\/su9030468.","DOI":"10.3390\/su9030468"},{"key":"2022010410234215028_j_opag-2021-0024_ref_005","unstructured":"Rodrigues RC\n, \nAlmeida JC\n, \nPereira CD\n, \nGomes DS\n, \nMadanelo JP\n, \nOliveira MJ\n, et al. Queijo Serra da Estrela. Processos Tradicionais e Inova\u00e7\u00f5es Tecnol\u00f3gicas. Cadernos de Divulga\u00e7\u00e3o. Coimbra: Direc\u00e7\u00e3o Regional de Agricultura da Beira Litoral; 2000."},{"key":"2022010410234215028_j_opag-2021-0024_ref_006","unstructured":"D. R.\n Di\u00e1rio da Rep\u00fablica, 2.a s\u00e9rie \u2013 N.\u00b0 45 \u2013 4 de Mar\u00e7o de 2011, Despacho no 4183\/2011 MADRP; 2011. Available from: https:\/\/www.drapc.gov.pt\/base\/legislacao\/files\/desp_4184_2011.pdf."},{"key":"2022010410234215028_j_opag-2021-0024_ref_007","unstructured":"DGADR\n. Dire\u00e7\u00e3o-Geral de Agricultura e Desenvolvimento Rural. Queijo Serra de Estrela \u2013 Denomina\u00e7\u00e3o de Origem Protegida. Caderno de Especifica\u00e7\u00f5es (alterado em 2009); 2011. Available from: https:\/\/www.dgadr.gov.pt\/images\/docs\/val\/dop_igp_etg\/Valor\/CE_QueijoSE_Versao_Comissao.pdf."},{"key":"2022010410234215028_j_opag-2021-0024_ref_008","unstructured":"Carrola T\n. An\u00e1lise Sist\u00e9mica da Manufatura e Discursiva da Imagem do Queijo Serra da Estrela DOP disserta\u00e7\u00e3o de Mestrado. Universidade da Beira Interior; 2013."},{"key":"2022010410234215028_j_opag-2021-0024_ref_009","unstructured":"Carolino N\n, \nGama L\n, \nDinis R\n, \nS\u00e1 T\n. Caracter\u00edsticas produtivas da ovelha Serra da Estrela. Arch de Zootecnia. 2003;52:3\u201314."},{"key":"2022010410234215028_j_opag-2021-0024_ref_010","unstructured":"SPREGA\n. Ovinos \u2013 Ra\u00e7a Serra da Estrela. Portugal: Sociedade Portuguesa de Recursos Gen\u00e9ticos Animais; 2020. 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