{"id":"https://openalex.org/W3014096107","doi":"https://doi.org/10.1017/s1751731120000622","title":"Energy and protein requirements of Holstein \u00d7 Gyr crossbred heifers","display_name":"Energy and protein requirements of Holstein \u00d7 Gyr crossbred heifers","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3014096107","doi":"https://doi.org/10.1017/s1751731120000622","mag":"3014096107","pmid":"https://pubmed.ncbi.nlm.nih.gov/32248874"},"language":"en","primary_location":{"id":"doi:10.1017/s1751731120000622","doi":"https://doi.org/10.1017/s1751731120000622","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s1751731120000622","pdf_url":null,"source":{"id":"https://openalex.org/S66388299","display_name":"animal","issn_l":"1751-7311","issn":["1751-7311","1751-732X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-1","medline","norway-1","oarl","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Animal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1017/s1751731120000622","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091261625","display_name":"M. M. D. Castro","orcid":"https://orcid.org/0000-0001-7453-963X","observed_orcids":["https://orcid.org/0000-0001-7453-963X"]},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"M.M.D. Castro","raw_affiliation_strings":["Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil"],"raw_orcid":"https://orcid.org/0000-0001-7453-963X","affiliations":[{"raw_affiliation_string":"Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil","institution_ids":["https://openalex.org/I146165071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016150219","display_name":"Ronan Lopes Albino","orcid":"https://orcid.org/0000-0002-2311-8306","observed_orcids":["https://orcid.org/0000-0002-2311-8306"]},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"R.L. Albino","raw_affiliation_strings":["Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-2311-8306","affiliations":[{"raw_affiliation_string":"Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil","institution_ids":["https://openalex.org/I146165071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009477468","display_name":"Jo\u00e3o Paulo Pacheco Rodrigues","orcid":"https://orcid.org/0000-0003-1140-1259","observed_orcids":["https://orcid.org/0000-0003-1140-1259"]},"institutions":[{"id":"https://openalex.org/I3129508524","display_name":"Universidade Federal do Sul e Sudeste do Par\u00e1","ror":"https://ror.org/01737f379","country_code":"BR","type":"education","lineage":["https://openalex.org/I3129508524"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"J.P.P. Rodrigues","raw_affiliation_strings":["Department of animal Science, Institute of Studies of Humid Tropics, Universidade Federal do Sul e Sudeste do Par\u00e1, 31st Street, Block 07, Xinguara, Par\u00e168557-335, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-1140-1259","affiliations":[{"raw_affiliation_string":"Department of animal Science, Institute of Studies of Humid Tropics, Universidade Federal do Sul e Sudeste do Par\u00e1, 31st Street, Block 07, Xinguara, Par\u00e168557-335, Brazil","institution_ids":["https://openalex.org/I3129508524"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018820727","display_name":"Anna Luiza Lacerda Sguizzato","orcid":"https://orcid.org/0000-0003-3867-971X","observed_orcids":["https://orcid.org/0000-0003-3867-971X"]},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"A.L.L. Sguizzato","raw_affiliation_strings":["Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-3867-971X","affiliations":[{"raw_affiliation_string":"Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil","institution_ids":["https://openalex.org/I146165071"]}]},{"author_position":"middle","author":{"id":null,"display_name":"M.M.F. Santos","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"M.M.F. Santos","raw_affiliation_strings":["Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil","institution_ids":["https://openalex.org/I146165071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029328092","display_name":"Polyana Pizzi Rotta","orcid":"https://orcid.org/0000-0002-1185-8120","observed_orcids":["https://orcid.org/0000-0002-1185-8120"]},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"P.P. Rotta","raw_affiliation_strings":["Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-1185-8120","affiliations":[{"raw_affiliation_string":"Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil","institution_ids":["https://openalex.org/I146165071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111252195","display_name":"J. S. Caton","orcid":"https://orcid.org/0009-0005-3572-7271","observed_orcids":["https://orcid.org/0009-0005-3572-7271"]},"institutions":[{"id":"https://openalex.org/I57328836","display_name":"North Dakota State University","ror":"https://ror.org/05h1bnb22","country_code":"US","type":"education","lineage":["https://openalex.org/I57328836"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J.S. Caton","raw_affiliation_strings":["Department of Animal Science, North Dakota State University, Albrecht Blvd Street, No. 1230, Fargo, ND58108, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Science, North Dakota State University, Albrecht Blvd Street, No. 1230, Fargo, ND58108, USA","institution_ids":["https://openalex.org/I57328836"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056149528","display_name":"Luis Eduardo Moraes","orcid":"https://orcid.org/0000-0002-0179-6093","observed_orcids":["https://orcid.org/0000-0002-0179-6093"]},"institutions":[{"id":"https://openalex.org/I52357470","display_name":"The Ohio State University","ror":"https://ror.org/00rs6vg23","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"L.E.F.D. Moraes","raw_affiliation_strings":["Department of Animal Sciences, The Ohio State University, Fyffe Court Road, No. 2029, Columbus, OH43210, USA"],"raw_orcid":"https://orcid.org/0000-0002-0179-6093","affiliations":[{"raw_affiliation_string":"Department of Animal Sciences, The Ohio State University, Fyffe Court Road, No. 2029, Columbus, OH43210, USA","institution_ids":["https://openalex.org/I52357470"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003774720","display_name":"Fabyano Fonseca e Silva","orcid":"https://orcid.org/0000-0001-9536-1113","observed_orcids":["https://orcid.org/0000-0001-9536-1113"]},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"F.F. Silva","raw_affiliation_strings":["Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil"],"raw_orcid":"https://orcid.org/0000-0001-9536-1113","affiliations":[{"raw_affiliation_string":"Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil","institution_ids":["https://openalex.org/I146165071"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066907973","display_name":"Marcos In\u00e1cio Marcondes","orcid":"https://orcid.org/0000-0003-4843-2809","observed_orcids":["https://orcid.org/0000-0003-4843-2809"]},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"M.I. Marcondes","raw_affiliation_strings":["Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-4843-2809","affiliations":[{"raw_affiliation_string":"Department of Animal Science, Universidade Federal de Vi\u00e7osa, Peter Henry Rolfs Avenue, Vi\u00e7osa, Minas Gerais36570-900, Brazil","institution_ids":["https://openalex.org/I146165071"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5066907973"],"corresponding_institution_ids":["https://openalex.org/I146165071"],"apc_list":{"value":2835,"currency":"USD","value_usd":2835},"apc_paid":{"value":2835,"currency":"USD","value_usd":2835},"fwci":2.8633,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.89074702,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"14","issue":"9","first_page":"1857","last_page":"1866"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10152","display_name":"Animal Nutrition and Physiology","score":0.002300000051036477,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12365","display_name":"Effects of Environmental Stressors on Livestock","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/dairy-heifers","display_name":"dairy heifers","score":0.9049999713897705},{"id":"https://openalex.org/keywords/energy-requirements","display_name":"energy requirements","score":0.968999981880188},{"id":"https://openalex.org/keywords/protein-requirements","display_name":"protein requirements","score":0.9940000176429749},{"id":"https://openalex.org/keywords/net-energy-requirements","display_name":"net energy requirements","score":0.5709999799728394},{"id":"https://openalex.org/keywords/metabolizable-energy","display_name":"metabolizable energy","score":0.8619999885559082},{"id":"https://openalex.org/keywords/metabolizable-protein","display_name":"metabolizable protein","score":0.8320000171661377},{"id":"https://openalex.org/keywords/maintenance-energy","display_name":"maintenance energy","score":0.5419999957084656},{"id":"https://openalex.org/keywords/energy-efficiency","display_name":"energy efficiency","score":0.4860000014305115},{"id":"https://openalex.org/keywords/protein-efficiency","display_name":"protein efficiency","score":0.7089999914169312},{"id":"https://openalex.org/keywords/tropical-environment","display_name":"tropical conditions","score":0.6299999952316284},{"id":"https://openalex.org/keywords/comparative-slaughter-technique","display_name":"comparative slaughter technique","score":0.7730000019073486},{"id":"https://openalex.org/keywords/empty-body-composition","display_name":"empty body composition","score":0.6660000085830688},{"id":"https://openalex.org/keywords/weight-gain","display_name":"weight gain","score":0.6290000081062317},{"id":"https://openalex.org/keywords/energy-corrected-milk","display_name":"energy-corrected milk","score":0.4830000102519989},{"id":"https://openalex.org/keywords/milk-protein","display_name":"milk protein","score":0.8610000014305115},{"id":"https://openalex.org/keywords/solids-not-fat","display_name":"solids-not-fat","score":0.5120000243186951},{"id":"https://openalex.org/keywords/milk-urea-nitrogen","display_name":"milk urea nitrogen","score":0.5130000114440918}],"concepts":[{"id":"https://openalex.org/C173419221","wikidata":"https://www.wikidata.org/wiki/Q4390467","display_name":"Crossbreed","level":2,"score":0.8929210901260376},{"id":"https://openalex.org/C3018303953","wikidata":"https://www.wikidata.org/wiki/Q5377024","display_name":"Energy requirement","level":3,"score":0.7592726945877075},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.754224956035614},{"id":"https://openalex.org/C2776482104","wikidata":"https://www.wikidata.org/wiki/Q38829","display_name":"Breed","level":2,"score":0.6905596852302551},{"id":"https://openalex.org/C2991880210","wikidata":"https://www.wikidata.org/wiki/Q6998450","display_name":"Net energy","level":2,"score":0.6556224226951599},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5012226104736328},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4873100519180298},{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.4724486470222473},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.4274034798145294},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3766132891178131},{"id":"https://openalex.org/C83546350","wikidata":"https://www.wikidata.org/wiki/Q1139051","display_name":"Regression","level":2,"score":0.3217077851295471},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.15436038374900818}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000821","descriptor_name":"Animal Feed","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D001823","descriptor_name":"Body Composition","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001835","descriptor_name":"Body Weight","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002149","descriptor_name":"Energy Intake","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D002417","descriptor_name":"Cattle","qualifier_ui":"Q000235","qualifier_name":"genetics","is_major_topic":false},{"descriptor_ui":"D002418","descriptor_name":"Cattle Diseases","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004032","descriptor_name":"Diet","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004734","descriptor_name":"Energy Metabolism","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009751","descriptor_name":"Nutritional Requirements","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1017/s1751731120000622","doi":"https://doi.org/10.1017/s1751731120000622","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s1751731120000622","pdf_url":null,"source":{"id":"https://openalex.org/S66388299","display_name":"animal","issn_l":"1751-7311","issn":["1751-7311","1751-732X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-1","medline","norway-1","oarl","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Animal","raw_type":"journal-article"},{"id":"pmid:32248874","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/32248874","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Animal : an international journal of animal bioscience","raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:e4dc0b415c6f440183948a8b6de760e0","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/e4dc0b415c6f440183948a8b6de760e0","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Animal, Vol 14, Iss 9, Pp 1857-1866 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1017/s1751731120000622","doi":"https://doi.org/10.1017/s1751731120000622","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s1751731120000622","pdf_url":null,"source":{"id":"https://openalex.org/S66388299","display_name":"animal","issn_l":"1751-7311","issn":["1751-7311","1751-732X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-1","medline","norway-1","oarl","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Animal","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320322980","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de Minas Gerais","ror":"https://ror.org/00nc55f03"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W120143971","https://openalex.org/W153902867","https://openalex.org/W215353524","https://openalex.org/W270949853","https://openalex.org/W1482219178","https://openalex.org/W1545156195","https://openalex.org/W1607370895","https://openalex.org/W1651546641","https://openalex.org/W1856759137","https://openalex.org/W1968714868","https://openalex.org/W1981806057","https://openalex.org/W2004716382","https://openalex.org/W2040371485","https://openalex.org/W2065077210","https://openalex.org/W2102386709","https://openalex.org/W2179003965","https://openalex.org/W2336838873","https://openalex.org/W2407593649","https://openalex.org/W2422822828","https://openalex.org/W2472785071","https://openalex.org/W2520951946","https://openalex.org/W2585814154","https://openalex.org/W2595767891","https://openalex.org/W2808104951","https://openalex.org/W2973112601","https://openalex.org/W3198903144"],"related_works":["https://openalex.org/W4294869848","https://openalex.org/W2585814154","https://openalex.org/W2559934762","https://openalex.org/W2595767891","https://openalex.org/W3030163564","https://openalex.org/W7120714990","https://openalex.org/W2389398377","https://openalex.org/W2472785071","https://openalex.org/W3196670677","https://openalex.org/W1545924668"],"abstract_inverted_index":{"Nutrient":[0],"requirements":[1,43,208,321,365],"in":[2,119,337,353,374,377],"cattle":[3],"are":[4],"dependent":[5],"on":[6,131],"physiological":[7],"stage,":[8],"breed":[9],"and":[10,31,41,72,112,143,166,169,214,222,319,344,363],"environmental":[11],"conditions.":[12,53],"In":[13,331],"Holstein":[14,45,57,323,367],"\u00d7":[15,46,58,253,255,295,297,324,368],"Gyr":[16,47,325,369],"crossbred":[17,48,55,326,370],"dairy":[18,371],"heifers,":[19],"the":[20,39,84,95,100,103,107,115,120,150,153,187,200,241,350,354,378],"lack":[21],"of":[22,44,67,77,102,114,134,152,181,186,189,197,209,230,232,259,261,270,301,303,322,385],"data":[23],"remains":[24],"a":[25],"limiting":[26],"factor":[27],"for":[28,203,211,217,245,263,273,287,306,339,366],"estimating":[29],"energy":[30,40,168,210,216,243,362],"protein":[32,42,170,272,285,305,320,364],"requirements.":[33],"Thus,":[34],"we":[35,333,347],"aimed":[36],"to":[37,74,94,105,145,159,239,282,317,360,382],"estimate":[38,82,106,361],"heifers":[49,61,327,372],"raised":[50,373],"under":[51],"tropical":[52,375],"Twenty-two":[54],"(\u00bd":[56],"\u00bd":[59],"Gyr)":[60],"with":[62,328],"an":[63],"average":[64],"initial":[65,108],"BW":[66,110,135],"102.2":[68],"\u00b1":[69],"3.4":[70],"kg":[71,343,384],"3":[73],"4":[75],"months":[76],"age":[78],"were":[79,92,125,157,176,192,220],"used.":[80],"To":[81],"requirements,":[83],"comparative":[85],"slaughter":[86],"technique":[87],"was":[88,234,266,275,309],"used:":[89],"four":[90],"animals":[91,116,124,156],"assigned":[93],"reference":[96],"group,":[97],"slaughtered":[98,158],"at":[99],"beginning":[101],"experiment":[104],"empty":[109,162],"(EBW)":[111],"composition":[113],"that":[117,349],"remained":[118],"experiment.":[121],"The":[122,172,206,228,236,257,268,280,299],"remaining":[123],"randomized":[126],"into":[127],"three":[128],"treatments":[129],"based":[130],"targeted":[132],"rates":[133],"gain:":[136],"high":[137],"(1.0":[138],"kg/day),":[139],"low":[140],"(0.5":[141],"kg/day)":[142],"close":[144],"maintenance":[146,212,218,274],"(0.1":[147],"kg/day).":[148],"At":[149],"end":[151],"experiment,":[154],"all":[155],"determine":[160],"EBW,":[161],"body":[163,167],"gain":[164,246,264,288,307],"(EBG)":[165],"contents.":[171],"linear":[173],"regression":[174],"parameters":[175,188],"estimated":[177,237],"using":[178,199],"PROC":[179,195],"MIXED":[180],"SAS":[182,198],"(version":[183],"9.4).":[184],"Estimates":[185],"non-linear":[190],"regressions":[191],"adjusted":[193],"through":[194],"NLIN":[196],"Gauss-Newton":[201],"method":[202],"parameter":[204],"fit.":[205],"net":[207,242,284],"(NEm)":[213],"metabolizable":[215,271,304],"(MEm)":[219],"0.303":[221],"0.469":[223],"MJ/EBW0.75":[224],"per":[225,278],"day,":[226],"respectively.":[227],"efficiency":[229,258,300],"use":[231,260,302],"MEm":[233],"64.5%.":[235],"equation":[238,281],"predict":[240,283],"requirement":[244,269,286],"(NEg)":[247],"was:":[248,290],"NEg":[249],"(MJ/day)":[250],"=":[251,293],"0.299":[252],"EBW0.75":[254],"EBG0.601.":[256],"ME":[262,318],"(kg)":[265],"30.7%.":[267],"3.52":[276],"g/EBW0.75":[277],"day.":[279],"(NPg)":[289],"NPg":[291],"(g/day)":[292],"243.65":[294],"EBW-0.091":[296],"EBG.":[298],"(k)":[308],"50.8%.":[310],"We":[311],"observed":[312,335],"noteworthy":[313],"differences":[314,336],"when":[315],"comparing":[316],"other":[329],"systems.":[330],"addition,":[332],"also":[334],"estimates":[338],"NEm,":[340],"NEg,":[341],"NPg,":[342],"k.":[345],"Therefore,":[346],"propose":[348],"equations":[351],"generated":[352],"present":[355],"study":[356],"should":[357],"be":[358],"used":[359],"conditions":[376],"post-weaning":[379],"phase":[380],"up":[381],"185":[383],"BW.":[386]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":6}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2020-04-10T00:00:00"}