A fecal P test for evaluating P status of dairy cows.
G. Heckrath , B. Kronvang , G. H. Rubæk , R. Munson
Diffuse phosphorus loss: risk assessment, mitigation options and ecological effects in river basins. The 5th International Phosphorus Workshop (IPW5) in Silkeborg, Denmark, 3-7 September 2007 103 -105
2007
CASE STUDY: National survey of barriers related to precision phosphorus feeding
J. Harrison , K. Knowlton , B. James , M.D. Hanigan
The Professional Animal Scientist 28 ( 5) 564 -568
7
2012
Effect of relocation on locomotion and cleanliness in dairy cows.
Crafton O Wilkes , Kristen J Pence , Amanda M Hurt , Ondrej Becvar
Journal of Dairy Research 75 ( 1) 19 -23
6
2008
ARGem: a new metagenomics pipeline for antibiotic resistance genes: metadata, analysis, and visualization
Xiao Liang , Jingyi Zhang , Yoonjin Kim , Josh Ho
Frontiers in Genetics 14 1219297 -1219297
1
2023
Increasing temperature and pH can facilitate reductions of cephapirin and antibiotic resistance genes in dairy manure slurries
Meng M Li , Partha Ray , Christy Teets , Amy Pruden
Journal of dairy science 103 ( 3) 2877 -2882
10
2020
The impacts of feeding milk with antibiotics on the fecal microbiome and antibiotic resistance genes in dairy calves
Xin Feng , Heather M Littier , Katharine F Knowlton , Emily Garner
Canadian Journal of Animal Science 100 ( 1) 69 -76
7
2019
What is the Veterinary Feed Directive?
Ellen Maurer , Katharine F Knowlton , Amber Vallotton , Amy Pruden
Virginia Cooperative Extension
1
2017
Effects of Reducing Dietary Nitrogen on Ammonia Emissions from Manure on the Floor of a Naturally Ventilated Free Stall Dairy Barn at Low (0–20°C) Temperatures
Lifeng Li , Joby Cyriac , Katharine F Knowlton , Linsey C Marr
Journal of Environmental Quality 38 ( 6) 2172 -2181
11
2009
Ammonia Emissions from Dairy Manure Storage Tanks
Lifeng Li , Jactone Arogo Ogejo , Linsey C Marr , Katharine F Knowlton
2008 Providence, Rhode Island, June 29 - July 2, 2008 1
2
2008
To Treat or Not to Treat: Public Attitudes on the Therapeutic Use of Antibiotics in the Dairy Industry—A Qualitative Study
Katharine F Knowlton , Marina AG von Keyserlingk
Animals 13 ( 18) 2913 -2913
2023
Feeding management to reduce phosphorus losses from dairy farms
Katharine F Knowlton , Rick Kohn ,
Proceedings of the Mid Atlantic Dairy Management Conference 24 -25
13
1999
Cow and herd variation in milk urea nitrogen concentrations in lactating dairy cattle
M Aguilar , Mark D Hanigan , HA Tucker , BL Jones
Journal of dairy science 95 ( 12) 7261 -7268
104
2012
Manure Nitrogen Transformations in Air, Soil and Crops on Dairy Farms
J Mark Powell , Katharine F Knowlton , Michael P Russelle , Mark D Hanigan
Journal of Animal Science 84 450 -450
2006
709 Comparison of predicted ration phosphorus balance using bioavailabilities from the NRC (2001) and Virginia Tech models.
Xin Feng , Katharine F Knowlton , Mark D Hanigan , Jamie Jarrett
Reducing phosphorus losses from dairy farms
Mark D Hanigan , Katharine F Knowlton
Prefermentation of liquid dairy manure to support biological nutrient removal
Kerem Güngör , Mert B Müftügil , Jactone Arogo Ogejo , Katharine F Knowlton
Bioresource technology 100 ( 7) 2124 -2129
18
2009
Chemical Phosphorus Removal for Separated Flushed Dairy Manure
Jo A DeBusk , J Arogo Ogejo , Katharine F Knowlton , Nancy G Love
Applied Engineering in Agriculture 24 ( 4) 499 -506
10
2008
Enhanced biological phosphorus removal for liquid dairy manure
Jactone Arogo Ogejo , Katharine F Knowlton , Nancy G Love , Yanjuan Hong
2008 Providence, Rhode Island, June 29–July 2, 2008 1 -1
4
2008
Contribution of 17-ß estradiol to total estrogenicity in dairy manure subject to anaerobic digestion or separation and aeration
Zunyang Zhao , Katharine F Knowlton , Nancy G Love , Jactone A Ogejo
2008 Providence, Rhode Island, June 29–July 2, 2008 1 -1
2
2008
AGRO 117-Estrogen removal from dairy manure by pilot-scale reactors
Katharine F Knowlton , Zunyang Zhao , Jactone Arogo Ogejo , Nancy G Love
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 236
2008