{"id":"https://openalex.org/A5011532441","orcid":"https://orcid.org/0000-0003-2052-9561","observed_orcids":["https://orcid.org/0000-0003-2052-9561"],"display_name":"J.M. DeFrain","raw_author_names":["DEFRAIN, JEFFREY","J. DeFrain","J. M. DeFrain","J.M DeFrain","J.M. DeFrain","J.M. Defrain","Jeff DeFrain","Jeff M DeFrain","Jeff M. DeFrain","Jeffery M. DeFrain","Jeffrey M Defrain","Jeffrey M. DeFrain"],"full_name":"Jeffrey M. DeFrain","works_count":51,"cited_by_count":1155,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":16,"i10_index":19},"ids":{"openalex":"https://openalex.org/A5011532441","orcid":"https://orcid.org/0000-0003-2052-9561","observed_orcids":["https://orcid.org/0000-0003-2052-9561"]},"affiliations":[{"institution":{"id":"https://openalex.org/I177156846","ror":"https://ror.org/015jmes13","display_name":"South Dakota State University","country_code":"US","type":"education","lineage":["https://openalex.org/I177156846"]},"years":[2006,2005,2004]},{"institution":{"id":"https://openalex.org/I189590672","ror":"https://ror.org/05p1j8758","display_name":"Kansas State University","country_code":"US","type":"education","lineage":["https://openalex.org/I189590672"]},"years":[2016,2015,2010,2004,2003,2002]},{"institution":{"id":"https://openalex.org/I4210137083","ror":"https://ror.org/03se72f21","display_name":"Zinpro (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210137083"]},"years":[2021,2020,2019,2018,2017,2016,2014,2013,2009,2008]}],"last_known_institutions":[{"id":"https://openalex.org/I4210137083","ror":"https://ror.org/03se72f21","display_name":"Zinpro (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210137083"]}],"topics":[{"id":"https://openalex.org/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","count":42,"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","count":38,"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/T10584","display_name":"Reproductive Physiology in Livestock","count":16,"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/T11226","display_name":"Milk Quality and Mastitis in Dairy Cows","count":12,"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","count":10,"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"}}],"topic_share":[{"id":"https://openalex.org/T12365","display_name":"Effects of Environmental Stressors on Livestock","value":9.66e-05,"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/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","value":9.11e-05,"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/T11226","display_name":"Milk Quality and Mastitis in Dairy Cows","value":7.19e-05,"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","value":5.86e-05,"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/T12944","display_name":"Animal Nutrition and Health","value":5.85e-05,"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"}}],"x_concepts":[{"id":"2776659692","wikidata":"https://www.wikidata.org/wiki/Q719426","display_name":"Lactation","score":0.9205119609832764},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.7560741305351257},{"id":"140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","score":0.7382485866546631},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.6868537068367004},{"id":"31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","score":0.6604752540588379}],"counts_by_year":[{"year":2000,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":7,"oa_works_count":7,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":46},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":52},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":56},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":45},{"year":2016,"works_count":9,"oa_works_count":3,"cited_by_count":56},{"year":2017,"works_count":2,"oa_works_count":2,"cited_by_count":62},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":62},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":70},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":89},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":81},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":72},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":108},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":69},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":57},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":43}],"display_name_alternatives":["DEFRAIN, JEFFREY","J. DeFrain","J. M. DeFrain","J.M DeFrain","J.M. DeFrain","J.M. Defrain","Jeff DeFrain","Jeff M DeFrain","Jeff M. DeFrain","Jeffery M. DeFrain","Jeffrey M Defrain","Jeffrey M. DeFrain"],"block_key":"j defrain","works_api_url":"https://api.openalex.org/works?filter=author.id:A5011532441","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5011532441","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
