González-Vega

Effects of supplemental d-methionine in comparison to l-methionine on nitrogen retention, gut morphology, antioxidant status, and mRNA abundance of amino acid transporters in weanling pigs

Espinosa, Charmaine D., John K. Mathai, Laia Blavi, Yanhong Liu, John K. Htoo, J. Caroline Gonzalez-Vega, and Hans H. Stein. 2021. Effects of supplemental d-methionine in comparison to l-methionine on nitrogen retention, gut morphology, antioxidant status, and mRNA abundance of amino acid transporters in weanling pigs. Journal of Animal Science, 2021, Vol. 99, No. 9, 1–10. doi.org/10.1093/jas/skab248.

Optimal tryptophan:lysine Ratio for 25–40 Kg Growing Pigs Fed Diets Containing 35 % Distillers Dried Grains with Solubles

Oliveira, M. S. F., J. K. Htoo, J. C. González-Vega, and H. H. Stein. 2021. Optimal tryptophan:lysine Ratio for 25–40 Kg Growing Pigs Fed Diets Containing 35 % Distillers Dried Grains with Solubles. J.  Anim. Sci. 99(Suppl. 1): 57–58. doi.org/10.1093/jas/skab054.097. (Abstr.). Link to Abstract.

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Effects of a novel E. coli phytase expressed in Pseudomonas fluorescens on growth, bone mineralization, and nutrient digestibility in pigs fed corn–soybean meal diets

Ren, Ping, Laia Blavi, Caroline González-Vega, Yanhong Liu, Deana Hancock, Mercedes Vazquez-Añón, Ferdinando N. Almeida, and Hans H. Stein. 2020. Effects of a novel E. coli phytase expressed in Pseudomonas fluorescens on growth, bone mineralization, and nutrient digestibility in pigs fed corn–soybean meal diets. Transl. Anim. Sci.

Effects of D‐methionine compared with L-methionine on N retention, gut morphology and antioxidant status of weaned pigs

Htoo, John K., John Mathai, Laia Blavi, Yanhong Liu, Caroline González-Vega, Hans H. Stein. 2020. Effects of D‐methionine compared with L-methionine on N retention, gut morphology and antioxidant status of weaned pigs. J. Anim. Sci. 98(Suppl. 3): 73.  doi.org/10.1093/jas/skaa054.130. (Abstr.). Link to abstract.

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Bioavailability of valine in spray-dried L-valine biomass is not different from that in crystalline L-valine when fed to weanling pigs

Oliveira, Maryane S. F., John K. Htoo, J. Caroline González-Vega, and Hans H. Stein. 2019. Bioavailability of valine in spray-dried L-valine biomass is not different from that in crystalline L-valine when fed to weanling pigs. Journal of Animal Science, 2019, 4227–4234. Link to full text.

Amino acid digestibility and metabolizable energy in a heating double-low rapeseed meal fed to pigs

Oliveira, M. S. F., J. K. Htoo, M. K. Wiltafsky, J. C. Gonzalez-Vega, and H. H. Stein. 2019. Amino acid digestibility and metabolizable energy in a heating double-low rapeseed meal fed to pigs. In: 6th EAAP International Symposium on Energy and Protein Metabolism and Nutrition, Belo Horizonte, Minas Gerais, Brazil, Sep. 9-12, 2019.

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Bioavailability of valine in a fermentation biomass product relative to the bioavailability in crystalline L-valine when fed to weanling pigs

Maryane S. Faria de Oliveira, John K. Htoo, Caroline J. González-Vega, John E. Thomson, Hans H. Stein . Bioavailability of valine in a fermentation biomass product relative to the bioavailability in crystalline L-valine when fed to weanling pigs. Journal of Animal Science, Volume 97, Issue Supplement_2, July 2019, Pages 78–79. (Abstr.). Link to abstract.

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Effects of graded levels of an Escherichia coli phytase on growth performance, apparent total tract digestibility of phosphorus, and on bone parameters of weanling pigs fed phosphorus-deficient corn-soybean meal based diets

She, Y., Y. Liu, J. C. González-Vega, and H. H. Stein. 2017. Effects of graded levels of an Escherichia coli phytase on growth performance, apparent total tract digestibility of phosphorus, and on bone parameters of weanling pigs fed phosphorus-deficient corn-soybean meal based diets. Anim. Feed Sci. Technol. 232:102-109. Link to abstract

Amino acid digestibility in soybean meal sourced from different regions of the United States and fed to pigs

Sotak-Peper, K. M., J. C. González-Vega, and H. H. Stein. 2017. Amino acid digestibility in soybean meal sourced from different regions of the United States and fed to pigs. J. Anim. Sci. 95:771-778. Link to full text (.pdf)

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)

Calcium transporters and gene expression and absorption of calcium in pigs

González-Vega, J. C. and H. H. Stein. 2016. Calcium transporters and gene expression and absorption of calcium in pigs. Pages 217-224 in Phytate destruction—consequences for precision animal nutrition. Walk, C. L., ed. Wageningen Academic Publishers, Wageningen, Netherlands. Link to full text 

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Establishing a digestible calcium requirement for pigs

Stein, H. H., L. A. Merriman, and J. C. González-Vega. 2016. Establishing a digestible calcium requirement for pigs. Pages 207-216 in Phytate destruction—consequences for precision animal nutrition. Walk, C. L., ed. Wageningen Academic Publishers, Wageningen, Netherlands. Link to full text 

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Digestibility of calcium in feed ingredients and requirements of digestible calcium for growing pigs

González-Vega, J. C. and H. H. Stein. 2016. Digestibility of calcium in feed ingredients and requirements of digestible calcium for growing pigs. Anim. Prod. Sci. 56:1339-1344. Link to full text (.pdf)

Calcium digestibility and requirements for digestible calcium by growing pigs

González-Vega, J. C., L. M. Merriman, and H. H. Stein. Calcium digestibility and requirements for digestible calcium by growing pigs. Pages 57-61 in Proc. Midwest Swine Nutr. Conf. Indianapolis, IN, Sep. 9, 2016. Link to full text (.pdf)

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Requirement for digestible calcium by eleven- to twenty-five–kg pigs as determined by growth performance, bone ash concentration, calcium and phosphorus balances, and expression of genes involved in transport of calcium in intestinal and kidney cells

González-Vega, J. C., Y. Liu, J. C. McCann, C. L. Walk, J. J. Loor, and H. H. Stein. 2016. Requirement for digestible calcium by eleven- to twenty-five–kilogram pigs as determined by growth performance, bone ash concentration, calcium and phosphorus balances, and expression of genes involved in transport of calcium in intestinal and kidney cells. J. Anim. Sci. 94:3321-3334. Link to full text (.pdf)

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)

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Effects of production area and microbial phytase on the apparent and standardized total tract digestibility of phosphorus in soybean meal fed to growing pigs

Sotak-Peper, K. M., J. C. González-Vega, and H. H. Stein. 2016. Effects of production area and microbial phytase on the apparent and standardized total tract digestibility of phosphorus in soybean meal fed to growing pigs. J. Anim. Sci. 94:2397-2402. Link to full text (.pdf)

Effects of a novel phytase on growth performance and metacarpal bone ash in weanling pigs

Liu, Y., J. C. González-Vega, M. Vázquez-Añón, J. Zhao, J. Escobar, F. N. Almeida, and H. H. Stein. 2016. Effects of a novel phytase on growth performance and metacarpal bone ash in weanling pigs. J. Anim. Sci. 94(Suppl. 2):111-112 (Abstr.) Link to abstract (.pdf)

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Digestible calcium requirements for 25 to 50 kg pigs

González-Vega, J. C., C. L. Walk, and H. H. Stein. 2016. Digestible calcium requirements for 25 to 50 kg pigs. J. Anim. Sci. 94(Suppl. 2):101 (Abstr.) Link to abstract (.pdf)

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Requirements for digestible Ca by growing pigs

González-Vega, J. C., C. L. Walk, and H. H. Stein. 2016. Requirements for digestible Ca by growing pigs. J. Anim. Sci. 94(Suppl. 2):101 (Abstr.) Link to abstract (.pdf)

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