Murphy

Technical note: Establishment of an ileal cannulation technique in preweaning calves and use of a piecewise regression approach to evaluate effects on growth and pH fluctuation of ileal digesta

Ansia, I., H. H. Stein, M. R. Murphy, and J. K. Drackley. 2019. Technical note: Establishment of an ileal cannulation technique in preweaning calves and use of a piecewise regression approach to evaluate effects on growth and pH fluctuation of ileal digesta. J. Dairy Sci. 102:11061–11066. Link to full text.

Keywords: 
calf, ileal cannulation
Authors: 
Ansia, Stein, Murphy, Drackley
Publication Type: 
Peer-reviewed journal articles

Influence of the concentration of dietary digestible calcium on growth performance, bone mineralization, plasma calcium, and abundance of genes involved in intestinal absorption of calcium in pigs from 11 to 22 kg fed diets with different concentrations

Lagos L. Vanessa, Su A. Lee, Guillermo Fondevila, Carrie L. Walk, Michael R. Murphy, Juan J. Loor and Hans H. Stein. 2019. Influence of the concentration of dietary digestible calcium on growth performance, bone mineralization, plasma calcium, and abundance of genes involved in intestinal absorption of calcium in pigs from 11 to 22 kg fed diets with different concentrations of digestible phosphorus. Journal of Animal Science and Biotechnology. 2019. 10:47.

Keywords: 
Bone ash, Calcium absorption, Digestible calcium, Growth, Pigs, requirement
Authors: 
Lagos, Lee, Fondevila, Walk, Murphy, Loor, Stein
Publication Type: 
Peer-reviewed journal articles

Effects of dietary digestible calcium on growth performance and bone ash concentration in 50- to 85-kg growing pigs fed diets with different concentrations of digestible phosphorus

Lagos L. V., C. L. Walk, M. R. Murphy, H. H. Stein. 2019. Effects of dietary digestible calcium on growth performance and bone ash concentration in 50- to 85-kg growing pigs fed diets with different concentrations of digestible phosphorus. Anim. Feed Sci. Technol. 247: 262 - 272. Link to full text.

Keywords: 
Digestible calcium, Requirements, Growth performance, Bone ash, Pigs
Authors: 
Lagos, Walk, Murphy, Stein
Publication Type: 
Peer-reviewed journal articles

Inclusion of excess dietary calcium in diets for 100- to 130-kg growing pigs reduces feed intake and daily gain if dietary phosphorus is at or below the requirement

Merriman, L. A., C. L. Walk, M. R. Murphy, C. M. Parsons, and H. H. Stein. 2017. Inclusion of excess dietary calcium in diets for 100- to 130-kg growing pigs reduces feed intake and daily gain if dietary phosphorus is at or below the requirement. J. Anim. Sci. 95:5439-5446. Link to abstract

Keywords: 
Calcium, Phosphorus, Growth performance
Authors: 
Merriman, Walk, Murphy, Parsons, Stein
Publication Type: 
Peer-reviewed journal articles

Requirement for digestible calcium by 25 to 50 kg pigs at different dietary concentrations of phosphorus as indicated by growth performance, bone ash concentration, and calcium and phosphorus balances

González-Vega, J. C., C. L. Walk, M. R. Murphy, and H. H. Stein. 2016. Requirement for digestible calcium by 25 to 50 kg pigs at different dietary concentrations of phosphorus as indicated by growth performance, bone ash concentration, and calcium and phosphorus balances. J. Anim. Sci. 94:5272-5285. Link to full text (.pdf)

Keywords: 
Calcium digestibility, Calcium requirements, Phosphorus
Authors: 
González-Vega, Walk, Murphy, Stein
Publication Type: 
Peer-reviewed journal articles

Effect of increasing concentrations of digestible calcium and digestible phosphorus on apparent total tract digestibility of calcium and phosphorus by pigs

González-Vega, J. C., C. L. Walk, M. R. Murphy, and H. H. Stein. 2016. Effect of increasing concentrations of digestible calcium and digestible phosphorus on apparent total tract digestibility of calcium and phosphorus by pigs. J. Anim. Sci. 94(E-Suppl. 5):459 (Abstr.) Link to abstract (.pdf)

Keywords: 
Canola meal, High protein canola meal
Authors: 
González-Vega, Walk, Murphy, Stein
Publication Type: 
Abstracts