Peer-reviewed articles

2024

  1. Kim, K., C. Jinno, X. Li, D. Bravo, E. Cox, P. Ji, and Y. Liu. 2024. Impact of an oligosaccharide-based polymer on the metabolic profiles and microbial ecology of weanling pigs experimentally infected with a pathogenic E. coli. J. Anim. Sci. Biotech. 15:1-16. Open Access

2023

  1. Simmons, C. W., F. Duan, M. E. Pitesky, Y. Liu, and Z. Tobar. 2023. Incorporation of recovered food and food scraps into poultry feed: A systemic review. CABI Reviews. 18:1-11. Open Access.
  2. Kovanda, L., J. Park, S. Park, K. Kim, X. Li, and Y. Liu. 2023. Dietary butyrate and valerate glycerides impact diarrhea severity and immune response of weaned piglets under ETEC F4-ETEC F18 coinfection conditions. J. Anim. Sci. 101:1-6. PubMed
  3. Hill, G., A. Sayadi, J. Gendreau, Z. Tobar, Y. Liu, M. Pitesky, and C. Simmons. 2023. Assessment of the variation in nutritional composition and safety of dried recovered food from U.S. households and prospects for use in chicken feed. Front. Sustain. Food Syst. 7:1180249. Open access
  4. Jinno, C., B. Wong, M. Klünemann, J. Htoo, X. Li, and Y. Liu. 2023. Supplementation of Bacillus amyloliquefaciens on performance, systemic immunity, and intestinal microbiota of weaned pigs experimentally infected with a pathogenic E. coli F18. Frontiers in Microbiology. 2023. 1101457. Open access
  5. Jinno, C., K. Kim, B. Wong, E. Wall, R. Sripathy, and Y. Liu. 2023. Dietary supplementation with botanical blends modified intestinal microbiota and metabolomics of weaned pigs experimentally infected with enterotoxigenic Escherichia coli. Microorganisms. 11:320-342. Open access

2022

  1. Jinno, C., X. Li, and Y. Liu. 2022. Dietary supplementation of Bacillus subtilis or antibiotics modified intestinal microbiome of weaned pigs under enterotoxigenic Escherichia coli infection. Frontiers Microbiol. 2022. 1064328. Open access
  2. Wong, B. T., S. Park, L. Kovanda, Y. He, K. Kim, S. Xu, C. Lingga, M. Hejna, E. Wall, R. Sripathy, X. Li, and Y. Liu. 2022. Dietary supplementation of botanical blends enhanced performance and disease resistance of weaned pigs experimentally infected with enterotoxigenic Escherichia coli F18. J. Anim. Sci. skac353. Pubmed
  3. Kim, K., M. Song, Y. Liu, and P. Ji. 2022. Enterotoxigenic Escherichia coli infection of weaned pigs: Intestinal challenges and nutritional intervention to enhance disease resistance. Front. Immunol. doi: 10.3389/fimmu.2022.885253. Open access
  4. Kim, K., C. Jinno, P. Ji, Y. Liu. 2022. Trace amounts of antibiotic altered metabolomic and microbial profiles of weaned pigs infected with a pathogenic E. coli. J. Anim. Sci. Biotechnol. 13:59-73. Open access
  5. Kim, K., Y. He, C. Jinno, L. Kovanda, X. Li, D. Bravo, E. Cox, and Y. Liu. 2022. Supplementation of oligosaccharide-based polymer enhanced growth and disease resistance of weaned pigs by modulating intestinal integrity and systemic immunity. J. Anim. Sci. Biotechnol. 13:10 Open access.
  6. He, Y., C. Jinno, C. Li, S. L. Johnson, H. Xue, Y. Liu, and P. Ji. 2022. Effects of a blend of essential oils, medium-chain fatty acids and a toxin-adsorbing mineral on diarrhea and gut microbiome of weanling pigs experimentally infected with a pathogenic E. coli. J. Anim. Sci. 100:skab365 PubMed.

2021

  1. Kim, K., B. Kim, H. Kyoung, Y. Liu, J. M. Campbell, M. Song, and P. Ji. 2021. Dietary spray-dried plasma supplementation in late-gestation and lactation enhanced productive performance and immune responses of lactating sows and their litters. J. Anim. Sci. Technol. 63:1076-1085. PubMed.
  2. Lee, J. J., S. Kim, J. H. Cho, H. Kyoung, S. Lee, J. Choe, Y. Liu, P. Ji, X. Xiong, Y. Kim, H. B. Kim, and M. Song. 2021. Potential use of ground brown rice for weanling pigs. J. Anim. Sci. 99:skab167. PubMed.
  3. Espinosa, C. D., J. K. Mathai, L. Blavi, Y. Liu, J. H. Htoo, J. C. Gonzalez-Vega, and H. 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. J. Anim. Sci. 99:skab248. PubMed.
  4. Lee, J. J., H. Kyoung, J. H. Cho, J. Choe, Y. Kim, Y. Liu, J. Kang, H. Lee, H. B. Kim, and M. Song. 2021. Dietary yeast cell wall improves growth performance and prevents of diarrhea of weaned pigs by enhancing gut health and anti-inflammatory immune responses. Animals. 2021. 11:2269-2282. Open Access
  5. Hejna, M., L. Kovanda, L. Rossi, and Y. Liu. 2021. Mint oils: In vitro ability to perform anti-inflammatory, antioxidant, and antimicrobial activities and to enhance intestinal barrier integrity. Antioxidants. 10:1004-1018. Open access.
  6. Kim, K., Y. He, C. Jinno, L. Kovanda, X. Li, M. Song, and Y. Liu. 2021. Trace amounts of antibiotics exacerbated diarrhea and systemic inflammation of weaned pigs infected with a pathogenic E. coli. J. Anim. Sci. 99:skab073. PubMed.
  7. Kyoung H, J. J. Lee, J. H. Cho, J. Choe, J. Kang, H. Lee, Y. Liu, Y. Kim, H. B. Kim, and M. Song. 2021. Dietary glutamic acid modulates immune response and gut health of weaned pigs. Animals. 11:504-518. Open access
  8. He, Y., Y. Liu, and P. Ji. 2021. Metabolomic profile of weaned pigs challenged with E. coli and supplemented with Carbadox or Bacillus subtilis. Metabolites. 11: 81-104. Open access.

2020

  1. Caprarulo, V., M. Hejna, C. Giromini, Y. Liu, M. Dell’Anno, S. Sotira, S. Reggi, C. A. Sgoifo-Rossi, M. L. Callegari, and L. Rossi. 2020. Evaluation of dietary administration of chestnut and quebracho tannins on growth, serum metabolites and fecal parameters of weaned piglets. Animals. 10:1945-1959. Open Access
  2. He, Y., K. Kim, L. Kovanda, M. Song, J. Chase, X. Li, B. Tan, and Y. Liu. 2020. Bacillus subtilis: a potential growth promoter in weaned pigs in comparison to carbadox. J. Anim. Sci. 98: skaa290. PubMed.
  3. He, Y., C. Jinno, K. Kim, Z. Wu, B. Tan, X. Li, R. Whelan, and Y. Liu. 2020. Dietary Bacillus spp. enhanced growth and disease resistance of weaned pigs by modulating intestinal microbiota and systemic immunity. J. Anim. Sci. Biotech. 11:101-119. Open Access
  4. Kim, K., P. Ji, M. Song, T. M. Che, D. Bravo, J. E. Pettigrew, and Y. Liu. 2020. Dietary plant extracts modulate gene expression profiles in alveolar macrophages of pigs experimentally infected with porcine reproductive and respiratory syndrome virus. J. Anim. Sci. Biotech. 11:74-87. Open access.
  5. Doan N., Y. Liu, X. Xiong, K. Kim, Z. Wu, D. M. Bravo, A. Blanchard, and P. Ji. 2020. Organic selenium supplement partially alleviated diquat-induced oxidative insults and hepatic metabolic stress in nursery pigs. Br. J. Nutr. 124:23-33. PubMed.
  6. Li M., D. Yuan, Y. Liu, H. Jin, and B. Tan. 2020. Dietary puerarin supplementation alleviates oxidative stress in the small intestines of diquat-challenged pigs. Animals. 10:631-643. Open access.
  7. Peng Ji, Xunde Li, and Yanhong Liu. 2020. Dietary intervention to reduce E. coli infectious diarrhea in young pigs. In: E. coli Infection. Edited by Luis Rodrigo. IntechOpen. Open access

2019

  1. Jinno, C., P. Saelao, E. A. Maga, A. King, D. Morash, S. Zicari, X. Yang, and Y. Liu. 2019. Enzymatically digested food waste altered fecal microbiota but not meat quality and carcass characteristics of growing-finishing pigs. Animals. 9:970-986. PubMed.
  2. Kovanda, L., W. Zhang, X. Wei, J. Luo, X. Wu, E. R. Atwill, S. Vaessen, X. Li, and Y. Liu. 2019. In vitro antimicrobial activities of organic acids and their derivatives on several species of Gram-negative and Gram-positive bacteria. Molecules. 24:E3770. PubMed.
  3. Xia Xiong, Ding-Hong Lv, Yan-Hong Liu, Min-Ho Song, Li-Jun Zou, Ding-Fu Xiao, and Yu-Long Yin. 2019. Effect of glucose, soya oil and glutamine on protein expression and mammalian target of rapamycin complex 1 pathway of jejunal crypt enterocytes in weaned piglets. Br. J. Nutr. 18:1-8. PubMed.
  4. Qi, M., B. Tan, J. Wang, J. Li, S. Liao, J. Yan, Y. Liu, and Y. Yin. 2019. Small intestinal transcriptome analysis revealed changes of genes involved in nutrition metabolism and immune responses in growth retardation piglets. J. Anim. Sci. 97:3795-3808. PubMed.
  5. Qi, M., B. Tan, J. Wang, S. M. Liao, J. J. Li, Y. Liu, and Y. Yin. 2019. Postnatal growth retardation associated with impaired gut hormone profiles, immune and antioxidant function in pigs. Front. Endocrinol. 10:660-671. PubMed.
  6. Xiao, D., D. Yuan, B. Tan, J. Wang, Y. Liu, and B. Tan. 2019. The role of Nrf2 signaling pathway in Eucommia Ulmoides flavones regulating oxidative stress in the intestine of piglets. Oxid. Med. Cell longev. 2019,9719618. PubMed.
  7. Wu, Z., B. Tan, Y. Liu, J. Dunn, P. M. Guerola, M. Tortajada, Z. Cao, and P. Ji. 2019. Chemical composition and antioxidant properties of essential oils from peppermint, native spearmint and scotch spearmint. Molecules. 24:2825-2840. PubMed.
  8. Troung, L., D. Morash, Y. Liu, and A. King. 2019. Food waste in animal feed with a focus on use for broilers. International Journal of Recycling of Organic Waste in Agriculture. https://doi.org/10.1007/s40093-019-0276-4
  9. Kim, K., Y. He, X. Xiong, A. Ehrlich, X. Li, H. Raybould, E. R. Atwill, E. A. Maga, J. Jørgensen, and Y. Liu. 2019. Dietary supplementation of Bacillus subtilis influenced intestinal health of weaned pigs experimentally infected a pathogenic E. coli. J. Anim. Sci. Biotechnol. 10:52-63. Link.
  10. Liu, Y. and P. Ji. 2019. Dietary factors in prevention of pediatric Escherichia coli infection: a model using domestic piglets. ILAR J. 1:1-19. PubMed.
  11. Xiong, X., B. Tan, M. Song, P. Ji, K. Kim, and Y. Liu. 2019. Nutritional intervention for the intestinal development and health of weaned pigs. Frontiers Vet. Sci. 6:46-59. PubMed.
  12. Kim, K., A. Ehrlich, V. Perng, J. A. Chase, H. Raybould, X. Li, E. R. Atwill, R. Whelan, A. Sokale, and Y. Liu. 2019. Algae-derived β-glucan enhanced gut health and immune responses of weaned pigs experimentally infected with a pathogenic E. coliAnim. Feed Sci. Technol. 248:114-125. Link.
  13. Zou, L., X. Xiong, H. Liu, J. Zhou, Y. Liu, and Y. Yin. 2019. Effects of dietary lysozyme levels on growth performance, intestinal morphology, immunity response and microbiota community of growing pigs. J. Sci. Food Agri. 99:1643-1650. PubMed 

2018

  1. Lv, D., X. XIong, H. Yang, M. Wang, Y. He, Y. Liu, and Y. Yin. 2018. Effect of dietary soy oil, glucose, and glutamine on growth performance, amino acid profile, blood profile, immunity, and antioxidant capacity in weaned piglets. SCIENCE CHINA Life Sciences. 61:1233-1242.
  2. Liu, Y., M. S. F. Oliveira, and H. Stein. 2018. Canola meal produced from high-protein or conventional varieties of canola seeds may substitute soybean meal in diets for gestating and lactating sows without compromising sow or litter productivity. J. Anim. Sci. 96:5179-5187. PubMed.
  3. Liu, Y., R. Jha, and H. H. Stein. 2018. Nutritional composition, gross energy concentration, and in vitro digestibility of dry matter in 46 sources of bakery meals. J. Anim. Sci. 96:4685-4692. PubMed. 
  4. Liu, Y., J. Choe, J. J. Lee, J. Kim, J. M. Campbell, J. Polo, J. D. Crenshaw, J. E. Pettigrew, and M. Song. 2018. Spray-dried plasma attenuates inflammation and lethargic behaviors of pregnant mice caused by lipopolysaccharide. PLoS ONE. 13(9):e0203427. PubMed 
  5. Lillehoj, H., Y. Liu, S. Calsamiglia, M. E. Fernandez-Miyakawa, F. Chi, R. L. Cravens, S. Oh, and C. G. Gay. 2018. Phytochemicals as potential antibiotic alternatives to promote growth and enhance host health: a Report from the Second International Symposium on Alternatives to Antibiotics. Vet. Res. 46:76-93. Link. 
  6. Liu, Y., D. Y. Kil, V. G. Perez-Mendoza, M. Song, and J. E. Pettigrew. 2018. Supplementation of different fat sources affects growth performance and carcass composition of finishing pigs. J. Anim. Sci. Biotech. 9: 56-63.
  7. Liu, Y., J. Choe, S. kim, B. Kim, J. M. Campbell, J. Polo, J. D. Crenshaw, J. E. Pettigrew, and M. Song. 2018. Dietary spray-dried plasma improves intestinal morphology of mated female mice under stress condition. J. Anim. Sci. Technol. 60:10-15. PMC.
  8. Jinno, C., Y. He, D. Morash, E. McNamara, S. Zicari, A. King, H. Stein, and Y. Liu. 2018. Enzymatic digestion turns food waste into feed for growing pigs. Anim. Feed Sci. Technol. 242:48-58. Link
  9. Liu, Y., C. D. Espinosa, J. J. Abelilla, G. A. Casas, L. V. Lagos, S. A. Lee, W. B. Kwon, J. K. Mathai, D. M. D. L. Navarro, N. W. Jaworski, and H. H. Stein. 2018. Non-antibiotic feed additives in diets for pigs: A review. Anim. Nutr. 4:113-125. PMC
  10. Abelilla, J. J., Y. Liu, and H. H. Stein. 2018. Digestible indispensable amino acid score (DIAAS) and protein digestibility corrected amino acid score (PDCAAS) in oat protein concentrate measured in 20- to 30-kilogram pigs. J. Sci. Food Agri.98: 410-414. PubMed

2017

  1. Tan, B., H. Liu, G. He, H. Xiao, D. Xiao, Y. Liu, J. Wu, J. Fang, and Y. Yin. 2017. Alanyl-glutamine but not glycyl-glutamine improved the proliferation of enterocytes as glutamine substitution in vitro. Amino Acids. 49:2023-2031. PubMed 
  2. Bai, M., H. Liu, K. Xu, B. Zou, R. Yu, Y. Liu, W. Xing, H. Du, Y. Li, and Y. Yin. 2017. Effects of dietary coated cysteamine hydrochloride on pork color in finishing pigs. J. Sci. Food Agric. 98: 1743-1750. PubMed 
  3. She, Y., Y. Liu, J. Caroline Gozalez-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. PubMed
  4. Navarro, D. M. D. L., Y. Liu, T. S. Bruun, and H. H. Stein. 2017. Amino acid digestibility bu weanling pigs of processed ingredients originating from soybeans, 00-rapeseeds, or a fermented mixture of plant ingredients. J. Anim. Sci. 95: 2658-2669. PubMed
  5. Yuan, D., T. Hussain, B. Tan, Y. Liu, P. Ji, and Y. Yin. 2017. The evaluation of antioxidant and anti-inflammatory effects of Eucommia Ulmoides Flavones using diquat-challenged piglets model. Oxid. Med. Cell longev. Article ID. 8140962 
  6. She, Y., Y. Liu, and H. H. Stein. 2017. Effects of graded levels of microbial phytase on apparent total tract digestibility of calcium and phosphorus and standardized total tract digestibility of phosphorus in four sources of canola meal and in soybean meal fed to growing pigs. J. Anim. Sci. 95:2061-2070. PubMed 
  7. Mathai, J. K., Y. Liu, and H. H. Stein. 2017. Values for digestible indispensable amino acid scores (DIAAS) for some dairy and plant proteins may better describe protein quality than values calculated using the concept for protein digestibility-corrected amino acid scores (PDCAAS). Brit. J. Nutr. 117:490-499. PubMed 
  8. Kim, B. G., Y. Liu, and H. H. Stein. 2017. Effects of ileal digesta collection time on standardized ileal digestibility of amino acids in corn, soybean meal, and distiller’s dried grains with solubles fed to growing pigs. J. Anim. Sci. 95:789-798. PubMed 
  9. Bai, L. L., F. Wu, H. Liu, S. Zhang, L. Liu, X. S. Piao, Y. H. Liu, P. A. Thacker, and F. L. Wang. Effects of dietary calcium levels on growth performance and bone characteristics in pigs in growing-finhisng-transitional phase. Anim. Feed Sci. Technol. 224:59-65.

2016

  1. Pedersen, T. F., Y. Liu, and H. H. Stein. 2016. Effects of dietary energy concentration and an exogenous carbohydrase on growth perforamnce of weanling pigs fed diets containing canola meal produced from high protein or conventional canola seeds. J. Anim. Sci. 94:5206-5218. PubMed 
  2. Kim, B. G., Y. Liu, and H. H. Stein. 2016. Effects of collection time on flow of chromium and dry matter and on basal ideal endogenous losses of amino acids in growing pigs. J. Anim. Sci. 94:4196-4204. PubMed
  3. 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 concnetration, calcium abnd phosphorus balances, and expression of genes involved in transport of clacium in intestinal and kidney cells. J. Anim. Sci. 94:3321-3334. PubMed 
  4. Rojas, O. J., Y. Liu, and H. H. Stein. 2016. Effects of particle size of yellow dent corn on physical characteristics of diets and growth performance and carcass characteristics of growing-finishing pigs. J. Anim. Sci. 94:619-628. PubMed 
  5. Liu, Y., N. W. Jaworski, O. J. Rojas, and H. H. Stein. 2016. Energy concentration and amino acid digestibility in high protein canola meal, conventional canola meal, and in soybean meal fed to growing pigs. Anim. Feed Sci. Technol. 212: 52-62.

2015

  1. Stein, H. H., G. A. Casas, J. J. Abelilla, Y. Liu, and R. C. Sulabo. 2015. Nutritional value of high fiber co-products from the copra, palm kernel, and rice industries in diets fed to pigs. J. Anim. Sci. Biotechnol. 6:56-64. PubMed 
  2. Maison, T., Y. Liu, and H. H. Stein. 2015. Apparent and standardized total tract digestibility by growing pigs of phosphorus from North America and 00-rapeseed meal and 00-rapeseed expellersfrom Europe without and with microbial phytase. J. Anim. Sci. 93:3494-3502. PubMed 
  3. Berrocoso, J. D., O. J. Rojas, Y. Liu, J. Shoulders, J. C. González-vega, and H. H. Stein. 2015. Energy concentration and amino acid digestibility in high protein canola meal, conventional canola meal, and in soybean meal fed to growing pigs. J. Anim. Sci. 93:2208-2217. PubMed
  4. Parr, C., Y. Liu, C. M. Parsons, and H. H. Stein. 2015. Effects of high-protein or conventional canola meal on growth performance, organ weights, bone ash, and blood characteristics of weanling pigs. J. Anim. Sci. 93:2165-2173. PubMed 
  5. Little, K., B. Bohrer, T. Maison, Y. Liu, H. Stein, and B. Dustin. 2015. Effects of feeding canola meal from high protein or conventional varieties of canola seeds on growth performance, carcass characteristics, and cutability of pigs. J. Anim. Sci. 93:1284-1297. PubMed 
  6. Lowell, J. E., Y. Liu, and H. H. Stein. 2015. Comparative digestibility of energy and nutrients in feed ingredients fed to sows and growing pigs. Arch. Anim. Nutr. 69:79-97. PubMed
  7. Maison, T., Y. Liu, and H. H. Stein. 2015. Digestibility of energy and detergent fiber and digestible and metabolizable energy values in canola meal, 00-rapeseed meal, and 00-rapeseed expellers fed to growing pigs. J. Anim. Sci. 93:652-660. PubMed 
  8. Song, M., Y. Liu, J. J. Lee, T. M. Che, J. A. Soares-Almeida, J. L. Chun, J. M. Campbell, J. Polo, J. D. Crenshaw, S. W. Seo, and J. E. Pettigrew. 2015. Spray-dried plasma attenuates inflammation and improves pregnancy rate of mated female mice. J. Anim. Sci. 93:298-305. PubMed 

2014

  1. Kim, B., Y. Liu, and H. H. Stein. 2014. Energy concentration and phosphorus digestibility in yeast products from the ethanol industry, brewers yeast, fish meal, and soybean meal fed to growing pigs. J. Anim. Sci. 92:5476-5484. PubMed 
  2. Rojas, O. J., Y. Liu, and H. H. Stein. 2014. Concentration of metabolizable energy and digestibility of energy, phosphorus, and amino acids in Lemna Protein Concentrate fed to growing pigs. J. Anim. Sci. 92:5222-5229. PubMed 
  3. Liu, Y., M. Song, F. N. Almeida, S. L. Tilton, M. J. Cecava, and H. H. Stein. 2014. Energy concentration and amino acid digestibility in corn and corn co-products fed to growing pigs. J. Anim. Sci. 92:4557-4565. PubMed 
  4. Liu, Y., M. Song, T. Maison, and H. H. Stein. 2014. Effects of protein concentration and heat treatment on concentration of digestible and metabolizable energy and on amino acid digestibility in four sources of canola meal fed to growing pigs. J. Anim. Sci. 92:4466-4477. PubMed 
  5. Gutierrez, N. A., D. Y. Kil, Y. Liu, J. E. Pettigrew, and H. H. Stein. 2014. Effects of co-products from the corn-ethanol industry on growth performance, body composition, and retention of protein, lipids, and energy by growing and finishing pigs. J. Sci. Food Agric. 94:3008-3016. PubMed 
  6. Baidoo, S. K., D. Y. Kil, J. N. Kim, Y. Liu, J. Kim, K. Kim, Y. Kim, and M. Song. 2014. Productive performance of sows fed increasing levels of distillers dried grains with solubles (DDGS) across parities. Rev. Colomb. Cienc. Pecu. 27:171-177.
  7. Liu, Y., M. Song, T. M. Che, D. Bravo, C. W. Maddox, and J. E. Pettigrew. 2014. Effects of capsicum oleoresin, garlic botanical, and turmeric oleoresin on gene expression profile of ileal mucosa in weaned pigs. J. Anim. Sci. 92:3426-3440. PubMed 
  8. Liu, Y., Y. L. Ma, J. M. Zhao, M. Vazquez-Añón, and H. H. Stein. 2014. Digestibility and retention of zinc, copper, manganese, iron, calcium, and phosphorus in pigs fed diets containing inorganic or organic minerals. J. Anim. Sci. 92:3407-3415. PubMed 
  9. Almaguer, B. L., R. C. Sulabo, Y. Liu, and H. H. Stein. 2014. Standardized total tract digestibility of phosphorus in copra meal, palm kernel expellers, palm kernel meal, and soybean meal fed to growing pigs. J. Anim. Sci. 92:2473-2480. PubMed 
  10. González-vega, J. C., C. L. Walk, Y. Liu, and H. H. Stein. 2014. The site of net absorption of Ca from the intestine tract of growing pigs and effect of phytic acid, Ca level and Ca source on Ca digestibility. Arch. Anim. Nutr. 68:126-142. PubMed
  11. Liu, Y., M. Song, T. M. Che, J. J. Lee, D. Bravo, C. W. Maddox, and J. E. Pettigrew. 2014. Dietary plant extracts modulate gene expression profiles in ileal mucosa of weaned pigs after an Escherichia coli infection. J. Anim. Sci. 92:2050-2062. PubMed 
  12. Cervantes-Pahm S. K., Y. Liu, and H. H. Stein. 2014. Digestible indispensable amino acid score and digestible amino acids in eight cereal grains. Br. J. Nutr. 111:1663-1672. PubMed
  13. Kim, B. G., D. M. Wulf, R. J. Maddock, D. N. Peters, C. Pedersen, Y. Liu, and H. H. Stein. 2014. Effects of dietary barley on growth performance, carcass traits, and pork quality in finishing pigs. Rev. Colomb. Cienc. Pecu. 27:102-113.
  14. Cervantes-Pahm, S., Y. Liu, A. Evans, and H. H. Stein. 2014. Effect of novel fiber ingredients on ileal and total tract digestibility of energy and nutrients in semi-purified diets fed to growing pigs. J. Sci. Food Agric. 94:1284-1290. PubMed
  15. Cervantes-Pahm, S. K., Y. Liu, and H. H. Stein. 2014. Comparative digestibility of energy and nutrients and fermentability of dietary fiber in eight cereal grains fed to pigs. J. Sci. Food Agric. 94:841-849. PubMed 
  16. Petersen, G. I., Y. Liu, and H. H. Stein. 2014. Coefficient of standardized ileal digestibility of corn, soybean meal, corn gluten meal, high-protein distillers dried grains, and field peas fed to weanling pigs. Anim. Feed Sci. Technol. 188:145-149.
  17. Baker, K. M., Y. Liu, and H. H. Stein. 2014. Nutritional value of soybean meal produced from high protein, low oligosaccharide, or conventional varieties of soybeans and fed to weanling pigs. Anim. Feed Sci. Technol. 188:64-73.

2013

  1. Almeida, J. A., Y. Liu, M. Song, J. J. Lee, H. R. Gaskins, C. W. Maddox, O. Osuna, and J. E. Pettigrew. 2013. Escherichia coli challenge and one type of smectite alter intestinal barrier of pigs. J. Anim. Sci. Biotech. 4:52. PubMed 
  2. Cervantes-Pahm, S., B. K. Knapp, B. G. Kim, Y. Liu, C. M. Parsons, G. C. Fahey, Jr., and H. H. Stein. 2013. Comparison of two different in vivo models and an in vitro model for caloric determination of four novel fiber ingredients. J. Agric. Food Chem. 61:12374-12379. PubMed
  3. Liu, Y., M. Che, M. Song, J. J. Lee, J. A. S. Almeida, D. Bravo, W. G. Van Alstine, and J. E. Pettigrew. 2013. Dietary plant extracts improve immune responses and growth efficiency of weaned pigs experimentally infected with porcine reproductive and respiratory syndrome virus. J. Anim. Sci. 91:5668-5679. PubMed 
  4. Liu, Y., Song, T. M. Che, J. A. S. Almeida, J. J. Lee, D. Bravo, C. W. Maddox, and J. E. Pettigrew. 2013. Dietary plant extracts alleviate diarrhea and alter immune responses of weaned pigs experimentally infected with a pathogenic Escherichia coli. J. Anim. Sci. 91:5294-5306. PubMed 
  5. González-vega, J. C., C. L. Walk, Y. Liu, and H. H. Stein. 2013. Determination of endogenous intestinal losses of calcium and true total tract digestibility of calcium in canola meal fed to growing pigs. J. Anim. Sci. 91:4807-4816. PubMed
  6. Rojas, O. J., Y. Liu, and H. H. Stein. 2013. Phosphorus digestibility and concentration of digestible and metabolizable energy in corn, corn co-products, and bakery meal fed to growing pigs. J. Anim. Sci. 91:5326-5335. PubMed
  7. Liu, Y., I. R. Ipharraguerre, and J. E. Pettigrew. 2013. Potential applications of knowledge of gut chemosensing in pig production. J. Anim. Sci. 91:1982-1990. PubMed

2012

  1. Song, M., T. M. Che, Y. Liu, J. A. Soares, B. G. Harmon, and J. E. Pettigrew. 2012. Effects of dietary spray-dried egg on growth performance and health of weaned pigs. J. Anim. Sci. 90:3080-3087. PubMed
  2. Che, T. M., M. Song, Y. Liu, R. W. Johnson, K. W. Kelley, W. G. Van Alstine, K. A. Dawson, and J. E. Pettigrew. 2012. Mannan oligosaccharide increases serum concentrations of antibodies and inflammatory mediators in weanling pigs experimentally infected with porcine reproductive and respiratory syndrome virus. J. Anim. Sci. 90:2784-2793. PubMed
  3. Liu, Y., Song, T. M. Che, D. Bravo, and J. E. Pettigrew. 2012. Anti-inflammatory effects of several plant extracts on porcine alveolar macrophages in vitro. J. Anim. Sci. 90:2774-2783. PubMed 
  4. Song, M., Y. Liu, J. A. Soares, T. M. Che, O. Osuna, C. W. Maddox, and J. E. Pettigrew. 2012. Dietary clays alleviate diarrhea of weaned pigs. J. Anim. Sci. 90:345-360. PubMed

2008

  1. Zhenfeng Zhan, Deyuan Ou, Xiangshu Piao, Sung Woo Kim, Yanhong Liu, and Junjun Wang. 2008. Dietary arginine supplementation affects microvascular development in the small intestine of early-weaned pigs. J. Nutr. 138:1304-1309. PubMed

2006

  1. Liu, Y. H., S. Piao, D. Y. Ou, Y. H. Cao, D. S. Huang, and D. F. Li. 2006. Effects of particle size and physical form of diets on mast cell numbers, histamine, and stem cell factor concentration in the small intestine of broiler chickens. Poult. Sci. 85:2149-2155. PubMed