Edward M Onyango

Summary

Affiliation: East Tennessee State University
Country: USA

Publications

  1. doi request reprint Inositol hexaphosphate increases mucin loss from the digestive tract of ducks
    E M Onyango
    Department of Health Sciences, East Tennessse State University, TN, USA
    J Anim Physiol Anim Nutr (Berl) 96:416-20. 2012
  2. ncbi request reprint Dietary cholecalciferol and phosphorus influence intestinal mucosa phytase activity in broiler chicks
    E M Onyango
    Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
    Br Poult Sci 47:632-9. 2006
  3. doi request reprint Dietary phytate (inositol hexaphosphate) regulates the activity of intestinal mucosa phytase
    E M Onyango
    Department of Health Sciences, East Tennessee State University, Johnson City, TN 37614, USA
    J Anim Physiol Anim Nutr (Berl) 93:639-46. 2009
  4. doi request reprint Phytic acid increases mucin and endogenous amino acid losses from the gastrointestinal tract of chickens
    Edward M Onyango
    Department of Health Sciences, East Tennessse State University, Box 70673, Johnson City, TN 37614, USA
    Br J Nutr 101:836-42. 2009
  5. doi request reprint Phytates reduce uptake of leucine and glutamate but not lysine and glucose from the intestinal lumen of chickens: short communication
    Edward M Onyango
    Department of Health Sciences, East Tennessee State University, Box 70673, Johnson City, TN 37604, USA
    Acta Vet Hung 56:511-4. 2008
  6. ncbi request reprint The yeast production system in which Escherichia coli phytase is expressed may affect growth performance, bone ash, and nutrient use in broiler chicks
    E M Onyango
    Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907, USA
    Poult Sci 83:421-7. 2004
  7. ncbi request reprint Efficacy of an evolved Escherichia coli phytase in diets of broiler chicks
    E M Onyango
    Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907, USA
    Poult Sci 84:248-55. 2005
  8. ncbi request reprint Bone densitometry as an indicator of percentage tibia ash in broiler chicks fed varying dietary calcium and phosphorus levels
    E M Onyango
    Purdue University, Animal Sciences, West Lafayette, Indiana 47901, USA
    Poult Sci 82:1787-91. 2003
  9. ncbi request reprint Evaluation of microbial phytase in broiler diets
    R N Dilger
    Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907 1151, USA
    Poult Sci 83:962-70. 2004

Detail Information

Publications9

  1. doi request reprint Inositol hexaphosphate increases mucin loss from the digestive tract of ducks
    E M Onyango
    Department of Health Sciences, East Tennessse State University, TN, USA
    J Anim Physiol Anim Nutr (Berl) 96:416-20. 2012
    ..Supplementation with exogenous microbial phytase reduced some of the IP6 feeding-induced endogenous intestinal amino acid losses...
  2. ncbi request reprint Dietary cholecalciferol and phosphorus influence intestinal mucosa phytase activity in broiler chicks
    E M Onyango
    Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
    Br Poult Sci 47:632-9. 2006
    ..5. In conclusion, both dietary P and cholecalciferol influenced the activity of intestinal mucosa phytase...
  3. doi request reprint Dietary phytate (inositol hexaphosphate) regulates the activity of intestinal mucosa phytase
    E M Onyango
    Department of Health Sciences, East Tennessee State University, Johnson City, TN 37614, USA
    J Anim Physiol Anim Nutr (Berl) 93:639-46. 2009
    ..05), but V(max) and body weight gain were only partially restored (p < 0.05). In conclusion, it would seem that dietary phytates non-competitively inhibit intestinal mucosa phytase...
  4. doi request reprint Phytic acid increases mucin and endogenous amino acid losses from the gastrointestinal tract of chickens
    Edward M Onyango
    Department of Health Sciences, East Tennessse State University, Box 70673, Johnson City, TN 37614, USA
    Br J Nutr 101:836-42. 2009
    ..05) endogenous loss of threonine, proline and serine. In conclusion, the form of phytic acid fed to chickens affects the extent of mucin and endogenous amino acid losses from the gastrointestinal tract...
  5. doi request reprint Phytates reduce uptake of leucine and glutamate but not lysine and glucose from the intestinal lumen of chickens: short communication
    Edward M Onyango
    Department of Health Sciences, East Tennessee State University, Box 70673, Johnson City, TN 37604, USA
    Acta Vet Hung 56:511-4. 2008
    ..Its depressive effect was greatest for leucine followed by glutamate, and phytate had little effect on the absorption of lysine...
  6. ncbi request reprint The yeast production system in which Escherichia coli phytase is expressed may affect growth performance, bone ash, and nutrient use in broiler chicks
    E M Onyango
    Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907, USA
    Poult Sci 83:421-7. 2004
    ..All 3 preparations increased (P < 0.05) Ca retention with phytase B or C showing a better retention of Ca than phytase A. All 3 phytase preparations showed similar P use as indicated by BW gain and tibia bone characteristics...
  7. ncbi request reprint Efficacy of an evolved Escherichia coli phytase in diets of broiler chicks
    E M Onyango
    Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907, USA
    Poult Sci 84:248-55. 2005
    ..05), and a number of amino acids (P < 0.05). The evolved Escherichia coli phytase was, therefore, efficacious in improving broiler growth performance, bone characteristics, and retention of P, Ca, N, and a number of amino acids...
  8. ncbi request reprint Bone densitometry as an indicator of percentage tibia ash in broiler chicks fed varying dietary calcium and phosphorus levels
    E M Onyango
    Purdue University, Animal Sciences, West Lafayette, Indiana 47901, USA
    Poult Sci 82:1787-91. 2003
    ....
  9. ncbi request reprint Evaluation of microbial phytase in broiler diets
    R N Dilger
    Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907 1151, USA
    Poult Sci 83:962-70. 2004
    ..05). In conclusion, this microbial phytase, derived from Escherichia coli and expressed in Schizosaccaromyces pombe, elicited improved growth performance, bone mineralization, and P utilization in broiler chicks...