Exogenous Phytase Plus Cellulase and Phosphorus Excretion in Lactating Dairy Cows
K.F. Knowlton , C.M. Parsons , C.W. Cobb , K.F. Wilson
The Professional Animal Scientist 21 ( 3) 212 -216
13
2005
Effect of dietary calcium and stage of lactation on potassium balance in lactating Holstein cows through 20 weeks of lactation
J.P. Jarrett , M.S. Taylor , T.D. Nennich , K.F. Knowlton
The Professional Animal Scientist 28 ( 5) 502 -506
1
2012
An example of application of process control charts to feed management on dairy farms
B.A. Stewart , R.E. James , K.F. Knowlton , M.L. McGilliard
The Professional Animal Scientist 27 ( 6) 571 -573
2011
Effect of Orchardgrass or Alfalfa Hay in Diets of Lactating Cows During Relocation
K.J. Pence , K.F. Knowlton , F.C. Gwazdauskas , R.E. Pearson
The Professional Animal Scientist 25 ( 1) 78 -84
2
2009
Effect of Relocation on Parlor Behaviors and Stress in Jerseys and Holsteins
C.O. Wilkes , M.L. McGilliard , O. Becvar , K.F. Knowlton
The Professional Animal Scientist 25 ( 3) 375 -381
2009
Effect of dietary phosphorus on intestinal phosphorus absorption in growing Holstein steers
X. Feng , E. Ronk , M.D. Hanigan , K.F. Knowlton
Journal of Dairy Science 98 ( 5) 3410 -3416
9
2015
Parameterization of a ruminant model of phosphorus digestion and metabolism.
X. Feng , K.F. Knowlton , M.D. Hanigan
Journal of Dairy Science 98 ( 10) 7194 -7208
5
2015
Effective nitrogen preservation during urine collection from Holstein heifers fed diets with high or low protein content
K.F. Knowlton , M.L. McGilliard , Z. Zhao , K.G. Hall
Journal of Dairy Science 93 ( 1) 323 -329
13
2010
Manure nutrient excretion by Jersey and Holstein cows
K.F. Knowlton , V.A. Wilkerson , D.P. Casper , D.R. Mertens
Journal of Dairy Science 93 ( 1) 407 -412
20
2010
Effect of diet on fecal and urinary estrogenic activity
H.A. Tucker , K.F. Knowlton , M.T. Meyer , W.O. Khunjar
Journal of Dairy Science 93 ( 5) 2088 -2094
12
2010
Effects of mineral content of bovine drinking water: does iron content affect milk quality?
Georgianna Rhodes Mann , SE Duncan , KF Knowlton , AD Dietrich
Journal of Dairy Science 96 ( 12) 7478 -7489
8
2013
The effects of forage particle length and exogenous phytase inclusion on phosphorus digestion and absorption in lactating cows
J.P. Jarrett , J.W. Wilson , P.P. Ray , K.F. Knowlton
Journal of Dairy Science 97 ( 1) 411 -418
15
2014
Disappearance of infused phytate from the large intestine of dairy heifers.
P.P. Ray , C. Shang , R.E. Pearson , K.F. Knowlton
Journal of Dairy Science 95 ( 10) 5927 -5935
7
2012
Effect of dietary phytate on phosphorus digestibility in dairy cows.
P.P. Ray , J. Jarrett , K.F. Knowlton
Journal of Dairy Science 96 ( 2) 1156 -1163
17
2013
Invited review: Sustainability of the US dairy industry
M.A.G. von Keyserlingk , N.P. Martin , E. Kebreab , K.F. Knowlton
Journal of Dairy Science 96 ( 9) 5405 -5425
250
2013
Quantifying phytate in dairy digesta and feces: alkaline extraction and high-performance ion chromatography.
P.P. Ray , C. Shang , R.O. Maguire , K.F. Knowlton
Journal of Dairy Science 95 ( 6) 3248 -3258
16
2012
The Effect of Steam Flaked or Dry Ground Corn and Supplemental Phytic Acid on Nitrogen Partitioning in Lactating Cows and Ammonia Emission from Manure
K.M. Burkholder , A.D. Guyton , J.M. McKinney , K.F. Knowlton
Journal of Dairy Science 87 ( 8) 2546 -2553
28
2004
Measures of bone mineral content in mature dairy cows.
B.E. Keene , K.F. Knowlton , M.L. McGilliard , L.A. Lawrence
Journal of Dairy Science 87 ( 11) 3816 -3825
14
2004
Nitrogen and phosphorus partitioning in lactating Holstein cows fed different sources of dietary protein and phosphorus.
K.F. Knowlton , J.H. Herbein , M.A. Meister-Weisbarth , W.A. Wark
Journal of Dairy Science 84 ( 5) 1210 -1217
71
2001
Phosphorus partitioning during early lactation in dairy cows fed diets varying in phosphorus content.
K.F. Knowlton , J.H. Herbein
Journal of Dairy Science 85 ( 5) 1227 -1236
131
2002