Invited review: Sustainability of the US dairy industry MAG Von Keyserlingk, NP Martin, E Kebreab, KF Knowlton, RJ Grant, ... Journal of dairy science 96 (9), 5405-5425, 2013 | 349 | 2013 |
Animal management to reduce phosphorus losses to the environment KF Knowlton, JS Radcliffe, CL Novak, DA Emmerson Journal of Animal Science 82 (suppl_13), E173-E195, 2004 | 263 | 2004 |
Effect of manure application on abundance of antibiotic resistance genes and their attenuation rates in soil: field-scale mass balance approach N Fahrenfeld, K Knowlton, LA Krometis, WC Hession, K Xia, E Lipscomb, ... Environmental science & technology 48 (5), 2643-2650, 2014 | 234 | 2014 |
Performance, ruminal fermentation, and site of starch digestion in early lactation cows fed corn grain harvested and processed differently KF Knowlton, BP Glenn, RA Erdman Journal of Dairy Science 81 (7), 1972-1984, 1998 | 228 | 1998 |
Phosphorus partitioning during early lactation in dairy cows fed diets varying in phosphorus content KF Knowlton, JH Herbein Journal of Dairy Science 85 (5), 1227-1236, 2002 | 222 | 2002 |
Phosphorus characteristics of dairy feces affected by diets Z Dou, KF Knowlton, RA Kohn, Z Wu, LD Satter, G Zhang, JD Toth, ... Journal of Environmental Quality 31 (6), 2058-2065, 2002 | 185 | 2002 |
Glucose metabolism and milk yield of cows infused abomasally or ruminally with starch KF Knowlton, TE Dawson, BP Glenn, GB Huntington, RA Erdman Journal of Dairy Science 81 (12), 3248-3258, 1998 | 150 | 1998 |
Occurrence, fate and removal of synthetic oral contraceptives (SOCs) in the natural environment: a review Z Liu, JA Ogejo, A Pruden, KF Knowlton Science of the Total Environment 409 (24), 5149-5161, 2011 | 133 | 2011 |
Ammonia emissions and animal agriculture SW Gay, KF Knowlton Virginia Cooperative Extension, 2005 | 132 | 2005 |
Phosphorus feeding levels and critical control points on dairy farms Z Dou, JD Ferguson, J Fiorini, JD Toth, SM Alexander, LE Chase, ... Journal of Dairy Science 86 (11), 3787-3795, 2003 | 131 | 2003 |
Metagenomic analysis of antibiotic resistance genes in dairy cow feces following therapeutic administration of third generation cephalosporin L Chambers, Y Yang, H Littier, P Ray, T Zhang, A Pruden, M Strickland, ... PloS one 10 (8), e0133764, 2015 | 122 | 2015 |
Effects of milk replacer composition on growth, body composition, and nutrient excretion in preweaned Holstein heifers SR Hill, KF Knowlton, KM Daniels, RE James, RE Pearson, AV Capuco, ... Journal of Dairy Science 91 (8), 3145-3155, 2008 | 111 | 2008 |
Cow and herd variation in milk urea nitrogen concentrations in lactating dairy cattle M Aguilar, MD Hanigan, HA Tucker, BL Jones, SK Garbade, ... Journal of dairy science 95 (12), 7261-7268, 2012 | 110 | 2012 |
Nitrogen and phosphorus partitioning in lactating Holstein cows fed different sources of dietary protein and phosphorus KF Knowlton, JH Herbein, MA Meister-Weisbarth, WA Wark Journal of Dairy Science 84 (5), 1210-1217, 2001 | 103 | 2001 |
Manure nutrient excretion by lactating cows fed exogenous phytase and cellulase KF Knowlton, MS Taylor, SR Hill, C Cobb, KF Wilson Journal of Dairy Science 90 (9), 4356-4360, 2007 | 96 | 2007 |
Excretion of antibiotic resistance genes by dairy calves fed milk replacers with varying doses of antibiotics CH Thames, A Pruden, RE James, PP Ray, KF Knowlton Frontiers in microbiology 3, 139, 2012 | 94 | 2012 |
Effect of a direct-fed fibrolytic enzyme formulation on nutrient intake, partitioning, and excretion in early and late lactation Holstein cows KF Knowlton, JM McKinney, C Cobb Journal of Dairy Science 85 (12), 3328-3335, 2002 | 90 | 2002 |
Lasalocid and particle size of corn grain for dairy cows in early lactation. 1. Effect on performance, serum metabolites, and nutrient digestibility KF Knowlton, MS Allen, PS Erickson Journal of Dairy Science 79 (4), 557-564, 1996 | 89 | 1996 |
Fate and effect of antibiotics in beef and dairy manure during static and turned composting P Ray, C Chen, KF Knowlton, A Pruden, K Xia Journal of Environmental Quality 46 (1), 45-54, 2017 | 82 | 2017 |
Dietary calcium has little effect on mineral balance and bone mineral metabolism through twenty weeks of lactation in Holstein cows MS Taylor, KF Knowlton, ML McGilliard, WS Swecker, JD Ferguson, Z Wu, ... Journal of Dairy Science 92 (1), 223-237, 2009 | 82 | 2009 |