Theo van Kempen

Diether, N. E., Hulshof, T. G., Willing, B. P., & Kempen, T. A. T. G. (2023). A blend of medium-chain fatty acids, butyrate, organic acids, and a phenolic compound accelerates microbial maturation in newly weaned piglets. PLOS ONE, 18(7). https://doi.org/10.1371/journal.pone.0289214

Kempen, T. A. T. G., & Zijlstra, R. T. T. (2023). Eat like a Pig to Combat Obesity. METABOLITES, 13(3). https://doi.org/10.3390/metabo13030420

Kempen, T. A. T. G., & Boerboom, G. M. (2023). Is the intestinal mucous layer a natural deep eutectic solvent-based digestion matrix? AMERICAN JOURNAL OF PHYSIOLOGY-GASTROINTESTINAL AND LIVER PHYSIOLOGY, 324(6), G438–G441. https://doi.org/10.1152/ajpgi.00006.2023

Boerboom, G. M., Navarro-Villa, A., & Kempen, T. A. T. G. (2023). Metabolomic Analysis of Wooden Breast Myopathy Shows a Disturbed Lipid Metabolism. METABOLITES, 13(1). https://doi.org/10.3390/metabo13010020

Kempen, T. A. T. G., Hulshof, T. G., Gerrits, W. J. J., & Zijlstra, R. T. (2023). [Review of Review: The amazing gain-to-feed ratio of newly weaned piglets: sign of efficiency or deficiency?]. ANIMAL, 17(11). https://doi.org/10.1016/j.animal.2023.100987

Hees, H. M. J., Chiers, K., Hartog, L. A. den, Kempen, T. A. T. G. van, Maes, D., Millet, S., & Janssens, G. P. J. (2023). Supplementing oat hulls to the diet of suckling piglets altered their intestinal tract and colonic microbiota development. ANIMAL NUTRITION, 12, 284–296. https://doi.org/10.1016/j.aninu.2022.10.002

Kempen, T. A. T. G., & Murphy, M. R. (2022, August 9). Delineating the extra-nutritional properties of nutrients: characterisation with amino acids (W. Bryden, Ed.). ANIMAL PRODUCTION SCIENCE, Vol. 8. https://doi.org/10.1071/AN22235

Kempen, T. A. T. G., Benitez Punal, S., Huijser, J., & De Smet, S. (2022). Tocopherol more bioavailable than tocopheryl-acetate as a source of vitamin E for broilers. PLOS ONE, 17(5). https://doi.org/10.1371/journal.pone.0268894

Hees, H., Maes, D., Millet, S., Hartog, L., Kempen, T., & Janssens, G. (2021). Fibre supplementation to pre-weaning piglet diets did not improve the resilience towards a post-weaning enterotoxigenic E. coli challenge. JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION, 105(2), 260–271. https://doi.org/10.1111/jpn.13475

Kempen, T. A. T. G., & Deixler, E. (2021). SARS-CoV-2: influence of phosphate and magnesium, moderated by vitamin D, on energy (ATP) metabolism and on severity of COVID-19. AMERICAN JOURNAL OF PHYSIOLOGY-ENDOCRINOLOGY AND METABOLISM, 320(1), E2–E6. https://doi.org/10.1152/ajpendo.00474.2020

Erp, R. J. J., Vries, S., Kempen, T. A. T. G., Den Hartog, L. A., & Gerrits, W. J. J. (2020). Circadian misalignment imposed by nocturnal feeding tends to increase fat deposition in pigs. BRITISH JOURNAL OF NUTRITION, 123(5), 529–536. https://doi.org/10.1017/S0007114519003052

Van Hees, H. M. J., Davids, M., Maes, D., Millet, S., Possemiers, S., Hartog, L. A., … Janssens, G. P. J. (2019). Dietary fibre enrichment of supplemental feed modulates the development of the intestinal tract in suckling piglets. JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY, 10(1). https://doi.org/10.1186/s40104-019-0386-x

Santos, R. R., Awati, A., Hil, P. J., Kempen, T. A. T. G., Tersteeg-Zijderveld, M. H. G., Koolmees, P. A., … Fink-Gremmels, J. (2019). Effects of a feed additive blend on broilers challenged with heat stress. AVIAN PATHOLOGY, 48(6), 582–601. https://doi.org/10.1080/03079457.2019.1648750

Yanez, J. L., Woyengo, T. A., Jha, R., Kempen, T. A. T. G., & Zijlstra, R. T. (2019). Nutrient digestibility of soybean products in grower-finisher pigs. JOURNAL OF ANIMAL SCIENCE, 97(11), 4598–4607. https://doi.org/10.1093/jas/skz290

Erp, R. J. J., Vries, S., van Kempen, T. A. T. G., & Gerrits, W. J. J. (2019). Pigs Ferment Enzymatically Digestible Starch when it Is Substituted for Resistant Starch. JOURNAL OF NUTRITION, 149(8), 1346–1353. https://doi.org/10.1093/jn/nxz072

Langendijk, P., Fleuren, M., Hees, H., & Kempen, T. (2018). The Course of Parturition Affects Piglet Condition at Birth and Survival and Growth through the Nursery Phase. ANIMALS, 8(5). https://doi.org/10.3390/ani8050060

Kempen, T. A. T. G., Reijersen, M. H., Bruijn, C., De Smet, S., Michiels, J., Traber, M. G., & Lauridsen, C. (2016). Vitamin E plasma kinetics in swine show low bioavailability and short half-life of all-rac-alpha-tocopheryl acetate. JOURNAL OF ANIMAL SCIENCE, 94(10), 4188–4195. https://doi.org/10.2527/jas.2016-0640

Fouhse, J. M., Gaenzle, M. G., Regmi, P. R., Kempen, T. A. T. G., & Zijlstra, R. T. (2015). High Amy lose Starch with Low In Vitro Digestibility Stimulates Hindgut Fermentation and Has a Bifidogenic Effect in Weaned Pigs(1-3). JOURNAL OF NUTRITION, 145(11), 2464–2470. https://doi.org/10.3945/jn.115.214353

Cools, A., Maes, D., Decaluwe, R., Buyse, J., Kempen, T. A. T. G., Liesegang, A., & Janssens, G. P. J. (2014). Ad libitum feeding during the peripartal period affects body condition, reproduction results and metabolism of sows. ANIMAL REPRODUCTION SCIENCE, 145(3-4), 130–140. https://doi.org/10.1016/j.anireprosci.2014.01.008

Koger, J. B., O'Brien, B. K., Burnette, R. P., Kai, R., Kempen, M. H. J. G., Heugten, E., & Kempen, T. A. T. G. (2014). Manure belts for harvesting urine and feces separately and improving air quality in swine facilities. LIVESTOCK SCIENCE, 162, 214–222. https://doi.org/10.1016/j.livsci.2014.01.013

Van Kempen, T. A. T. G., Deixler, E., & Crook, M. A. (2013, May). Hypophosphatemia as a key factor in sudden infant death syndrome (SIDS)? https://doi.org/10.3109/03009734.2013.781252

Cools, A., Maes, D., Decaluwe, R., Buyse, J., Kempen, T. A., & Janssens, G. P. (2013). Peripartum changes in orexigenic and anorexigenic hormones in relation to back fat thickness and feeding strategy of sows. DOMESTIC ANIMAL ENDOCRINOLOGY, 45(1), 22–27. https://doi.org/10.1016/j.domaniend.2013.04.003

Meer, Y., Gerrits, W. J. J., Bosch, M., Holst, J. J., Moreto, M., Buurman, W. A., … Kempen, T. A. T. G. (2012). Chenodeoxycholic acid reduces intestinal permeability in newly weaned piglets. JOURNAL OF ANIMAL SCIENCE, 90, 302–304. https://doi.org/10.2527/jas.50998

Woodward, A. D., Regmi, P. R., Gaenzle, M. G., Kempen, T. A. T. G., & Zijlstra, R. T. (2012). Slowly digestible starch influences mRNA abundance of glucose and short-chain fatty acid transporters in the porcine distal intestinal tract. JOURNAL OF ANIMAL SCIENCE, 90, 80–82. https://doi.org/10.2527/jas.53877

Zijlstra, R. T., Jha, R., Woodward, A. D., Fouhse, J., & Kempen, T. A. T. G. (2012). Starch and fiber properties affect their kinetics of digestion and thereby digestive physiology in pigs. JOURNAL OF ANIMAL SCIENCE, 90, 49–58. https://doi.org/10.2527/jas.53718

Wijtten, P. J. A., Verstijnen, J. J., Kempen, T. A. T. G., Perdok, H. B., Gort, G., & Verstegen, M. W. A. (2011). Lactulose as a marker of intestinal barrier function in pigs after weaning. JOURNAL OF ANIMAL SCIENCE, 89(5), 1347–1357. https://doi.org/10.2527/jas.2010-3571

Regmi, P. R., Metzler-Zebeli, B. U., Gaenzle, M. G., Kempen, T. A. T. G., & Zijlstra, R. T. (2011). Starch with High Amylose Content and Low In Vitro Digestibility Increases Intestinal Nutrient Flow and Microbial Fermentation and Selectively Promotes Bifidobacteria in Pigs. JOURNAL OF NUTRITION, 141(7), 1273–1280. https://doi.org/10.3945/jn.111.140509

Regmi, P. R., Kempen, T. A. T. G., Matte, J. J., & Zijlstra, R. T. (2011). Starch with High Amylose and Low in Vitro Digestibility Increases Short-Chain Fatty Acid Absorption, Reduces Peak Insulin Secretion, and Modulates Incretin Secretion in Pigs. JOURNAL OF NUTRITION, 141(3), 398–405. https://doi.org/10.3945/jn.110.132449

Kempen, T. A. T. G., Regmi, P. R., Matte, J. J., & Zijlstra, R. T. (2010). In Vitro Starch Digestion Kinetics, Corrected for Estimated Gastric Emptying, Predict Portal Glucose Appearance in Pigs. JOURNAL OF NUTRITION, 140(7), 1227–1233. https://doi.org/10.3945/jn.109.120584

Sola-Oriol, D., Kempen, T., & Torrallardona, D. (2010, September). Relationships between glycaemic index and digesta passage of cereal-based diets in pigs. LIVESTOCK SCIENCE, Vol. 134, pp. 41–43. https://doi.org/10.1016/j.livsci.2010.06.091

Regmi, P. R., Matte, J. J., Kempen, T. A. T. G., & Zijlstra, R. T. (2010, September). Starch chemistry affects kinetics of glucose absorption and insulin response in swine. LIVESTOCK SCIENCE, Vol. 134, pp. 44–46. https://doi.org/10.1016/j.livsci.2010.06.092

Muley, N. S., Heugten, E., Moeser, A. J., Rausch, K. D., & Kempen, T. A. T. G. (2007). Nutritional value for swine of extruded corn and corn fractions obtained after dry milling. JOURNAL OF ANIMAL SCIENCE, 85(7), 1695–1701. https://doi.org/10.2527/jas.2006-127

Kai, P., Kaspers, B., & Kempen, T. (2006). Modeling sources of gaseous emissions in a pig house with recharge pit. Transactions of the ASABE, 49(5), 1479–1485. https://doi.org/10.13031/2013.22040

Kempen, T. A. T. G., Heugten, E., Moeser, A. J., Muley, N. S., & Sewalt, V. J. H. (2006). Selecting soybean meal characteristics preferred for swine nutrition. JOURNAL OF ANIMAL SCIENCE, 84(6), 1387–1395. https://doi.org/10.2527/2006.8461387x

Qiao, Y. R., Gumpertz, M., & Van Kempen, T. (2005). Stability of a pancreatic enzyme cocktail during in vitro protein digestibility assays. JOURNAL OF FOOD BIOCHEMISTRY, 29(2), 205–220. https://doi.org/10.1111/j.1745-4514.2005.00003.x

Narushin, V. G., Kempen, T. A., Wineland, M. J., & Christensen, V. L. (2004). Comparing infrared spectroscopy and egg size measurements for predicting eggshell quality. BIOSYSTEMS ENGINEERING, 87(3), 367–373. https://doi.org/10.1016/j.biosystemseng.2003.12.006

Kim, I. B., Ferket, P. R., Powers, W. J., Stein, H. H., & Kempen, T. A. T. G. (2004). Effects of different dietary acidifier sources of calcium and phosphorus on ammonia, methane and odorant emission from growing-finishing pigs. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 17(8), 1131–1138. https://doi.org/10.5713/ajas.2004.1131

Van Kempen, T., Peak, S., & YanRui, Q. (2004). In vitro digestibility could meet quality control needs. Feedstuffs, 76(8), 11.

Qiao, Y., Lin, X., Odle, J., Whittaker, A., & van Kempen, T. A. T. G. (2004). Refining in vitro digestibility assays: Fractionation of digestible and indigestible peptides. Journal of Animal Science, 82(6), 1669–1677. https://doi.org/10.2527/2004.8261669x

Qiao, Y., & Kempen, T. (2004). Technical note: Comparison of Raman, mid, and near infrared spectroscopy for predicting the amino acid content in animal meals. Journal of Animal Science, 82(9), 2596–2600. https://doi.org/10.2527/2004.8292596x

Otto, E. R., Yokoyama, M., Hengemuehle, S., Bermuth, R. D. V., Kempen, T., & Trottier, N. L. (2003). Ammonia, volatile fatty acids, phenolics, and odor offensiveness in manure from growing pigs fed diets reduced in protein concentration. Journal of Animal Science, 81(7), 1754–1763. https://doi.org/10.2527/2003.8171754x

Moeser, A. J., See, M. T., Heugten, E., Morrow, W. E. M., & Kempen, T. (2003). Diet and evaluators affect perception of swine waste odor: An educational demonstration. Journal of Animal Science, 81(12), 3211–3215. https://doi.org/10.2527/2003.81123211x

Kempen, T. A. T. G. V., Baker, D. H., & Heugten, E. (2003). Nitrogen losses in metabolism trials. Journal of Animal Science, Vol. 81, pp. 2649–2650. https://doi.org/10.2527/2003.81102649x

Moeser, A. J., & Kempen, T. A. T. G. (2002). Dietary fibre level and enzyme inclusion affect nutrient digestibility and excreta characteristics in grower pigs. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, 82(14), 1606–1613. https://doi.org/10.1002/jsfa.1234

Heugten, E., & Kempen, T. (2002). Growth performance, carcass characteristics, nutrient digestibility and fecal odorous compounds in growing-finishing pigs fed diets containing hydrolyzed feather meal. Journal of Animal Science, 80(1), 171–178. https://doi.org/10.2527/2002.801171x

Kempen, T. A., & McComas, S. (2002). Infrared spectroscopy as a tool for assessing fat quality. JOURNAL OF APPLIED POULTRY RESEARCH, 11(2), 191–201. https://doi.org/10.1093/japr/11.2.191

Kempen, T. A. T. G., Kim, I., & Heugten, E. (2002). Pigs as recyclers for nutrients contained in Bermuda grass harvested from spray fields. BIORESOURCE TECHNOLOGY, 81(3), 233–239. https://doi.org/10.1016/S0960-8524(01)00129-8

Kempen, T. A. T. G. V., Kim, I. B., Jansman, A. J. M., Verstegen, M. W. A., Hancock, J. D., Lee, D. J., … Mahan, D. (2002). Regional and processor variations in the ileal digestible amino acid content of soybean meals measured in growing swine. Journal of Animal Science, 80(2), 429–439. https://doi.org/10.2527/2002.802429x

Kaspers, B., Burnette, P., Koger, J., Van Kempen, M., & Van Kempen, T. (2002). Separating urine from feces may be key to flexibility. Feedstuffs, 74(21), 11.

Qiao, Y. R., Gumpertz, M., & Van Kempen, T. (2002, September). Stability of pepsin (EC 3.4.23.1) during in vitro protein digestibility assay. JOURNAL OF FOOD BIOCHEMISTRY, Vol. 26, pp. 355–375. https://doi.org/10.1111/j.1745-4514.2002.tb00759.x

Kempen, T. A. T. G. V., Powers, W. J., & Sutton, A. L. (2002). Technical note: Fourier transform infrared (FTIR) spectroscopy as an optical nose for predicting odor sensation. Journal of Animal Science, 80(6), 1524–1527. https://doi.org/10.2527/2002.8061524x

Moeser, A. J., Kim, I. B., Heugten, E., & Kempen, T. (2002). The nutritional value of degermed, dehulled corn for pigs and its impact on the gastrointestinal tract and nutrient excretion. Journal of Animal Science, 80(10), 2629–2638. https://doi.org/10.2527/2002.80102629x

Kempen, T., Heugten, E., & Trottier, N. L. (2001). Adipic acid increases plasma lysine but does not improve the efficiency of lysine utilization in swine. Journal of Animal Science, 79(9), 2406–2411. https://doi.org/10.2527/2001.7992406x

Heo, K. N., Odle, J., Lin, X., Kempen, T. A. T. G. van, & Han, I. K. (2001). Determination of Carnitine Renal Threshold and Effect of Medium-Chain Triglycerides on Carnitine Profiles in Newborn Pigs. Asian-Australasian Journal of Animal Sciences, 14(2), 237–242. https://doi.org/10.5713/ajas.2001.237

Kempen, T. (2001). Dietary adipic acid reduces ammonia emission from swine excreta. Journal of Animal Science, 79(9), 2412–2417. https://doi.org/10.2527/2001.7992412x

Kempen, T. (2001). [Review of Infrared technology in animal production]. WORLDS POULTRY SCIENCE JOURNAL, 57(1), 29–48. https://doi.org/10.1079/wps20010004

Kempen, T., Park, B., Hannon, M., & Matzat, P. (2001). Precision nutrition: weighing feed ingredients correctly. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, 81(8), 726–730. https://doi.org/10.1002/jsfa.876

Van Heugten, E., & Van Kempen, T. (1999). Methods may exist to reduce nutrient excretion. Feedstuffs, 71(17), 12–13.

Van Kempen, T., Park, B., Hannon, M., & Matzat, P. (1999). Proper weighing key in making a quality feed. Feedstuffs, 71(53), 12–13.