Zobrazeno 1 - 6 of 6 pro vyhledávání: '"Jay W Johnson"'
1
PSIII-6 Relationship of geographical location, cattle type, sex, and pen size to rates of liver abnormalities
Autor: Becca B Grimes, Ty E Lawrence, Loni W Lucherk, Travis Tennant, Jay W Johnson, T. J. McEvers
Publikováno v: Journal of Animal Science. 99:285-286
Bovine liver abscess outcomes of individual animals (n = 989,296) were observed from 2013 to 2021 on a pen (n = 6,420) basis to quantify liver abscess prevalence and severity, as well as other liver abnormalities such as liver flukes. Cattle originat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf61ed642d5ff463b908573cc461f7fd
https://doi.org/10.1093/jas/skab235.524
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3
A steam generator and distillation head for microkjeldahl nitrogen determinations
Autor: Jay W. Johnson, Terry J. Logan
Publikováno v: Communications in Soil Science and Plant Analysis. 9:39-44
An inexpensive steam generator and distillation head for nicrokjeldahl determinations is described. The generator consists of a soil moisture pressure plate extractor with heating coils and a water level control chamber. A distillation head and vacuu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a953dbce520badb69330fb6265ed1a90
https://doi.org/10.1080/00103627809366785
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