Ronald Zom, PhD

    1991 …2019
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    Research Output 1991 2019

    2019
    Open Access
    Dairies
    grazing
    grass
    innovation
    Innovation

    Bouwstenen beweiding

    Schils, R., van Dixhoorn, I., van Eekeren, N., Hoekstra, N., Holshof, G., Hoving, I., Klootwijk, C., Philipsen, B., van Reenen, K., Şebek, L., Stienezen, M., van den Top, M., van der Werf, J. & Zom, R., 2019, Netherlands: Amazing Grazing. 61 p.

    Research output: Book/ReportReportProfessional

    Open Access
    Open Access
    protein concentrates
    dietary supplements
    rumen
    grazing
    cows

    N- en P-excretie melkvee: achtergronden en bronnen voor de berekening

    Zom, R. L. G. & Kasper, G. J., Sep 2019, Wageningen: Wageningen Livestock Research. 51 p. (Wageningen Livestock Research rapport; no. 1191)

    Research output: Book/ReportReportProfessional

    Open Access
    2018

    Amazing Grazing: N use efficiency of 60 individual dairy cows under intensive grazing

    Klootwijk, C. W., Zom, R. L. G., van den Pol, A., van Middelaar, C. E., Holshof, G. & de Boer, I. J. M., 17 Jun 2018, Sustainable meat and milk production from grasslands. Horan, B., Hennessy, D., O'Donovan, M., Kennedy, E., McCarthy, B., Finn, J. A. & O'Brien, B. (eds.). Wageningen Academic Publishers, Vol. 23. p. 81-84 (Grassland Science in Europe; vol. 23).

    Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

    Open Access
    dairy cows
    grazing
    cows
    dairy farming
    grasses

    Amazing Grazing: science in support of future grass based dairy systems

    Schils, R. L. M., Philipsen, A. P., Holshof, G., Zom, R. L. G., Hoving, I. E., van Reenen, C. G., van der Werf, J. T. N., Galama, P. J., Sebek, L. B., Klootwijk, C. W., van Eekeren, N., Hoekstra, N. J., Stienezen, M. W. J. & van den Pol, A., 17 Jun 2018, Sustainable meat and milk production from grasslands. Horan, B., Hennessy, D., O'Donovan, M., Kennedy, E., McCarthy, B., Finn, J. A. & O'Brien, B. (eds.). Wageningen: Wageningen Academic Publishers, p. 336-338 (Grassland Science in Europe; vol. 23).

    Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

    Open Access
    dairies
    grazing
    grasses
    farmers
    cows

    Amazing Grazing: substantial fresh grass intake in restricted grazing systems with high stocking rates

    Holshof, G., Zom, R. L. G., Schils, R. L. M., van den Pol, A. & Klootwijk, C. W., 17 Jun 2018, Sustainable meat and milk productions from grasslands. Horan, B., Hennessy, D., O'Donovan, M., Kennedy, E., McCarthy, B., Finn, J. A. & O'Brien, B. (eds.). European Grassland Federation EGF, p. 234-237 3 p. (Grassland science in Europe; vol. 23).

    Research output: Chapter in Book/Report/Conference proceedingConference paperAcademicpeer-review

    Open Access
    stocking rate
    grazing
    grasses
    cows
    corn silage

    Effect of grazing systems and supplemental levels of protein over herbage intake, nitrogen efficiency and performance by grazing dairy cows

    Artavia, J. I., Pellikaan, W. F., Zom, R. L. G. & Zened, A., 11 Apr 2018, p. 53-54.

    Research output: Contribution to conferenceAbstractAcademic

    Open Access
    nutrient use efficiency
    dairy cows
    grazing
    cows
    grasses
    2017

    Using stable carbon isotopes to estimate herbage intake of grazing dairy cows supplemented with maize silage and concentrates

    van Helvoort, B., Oegema, M., Pellikaan, W. F. & Zom, R. L. G., 7 Apr 2017, p. 19-21.

    Research output: Contribution to conferenceAbstractAcademic

    2016

    Documentatierapport Koemodel : de werking van het koemodel samengevat

    Zom, R. L. G., 2016, Wageningen: Wageningen Livestock Research. 9 p. (Livestock Research rapport; no. 1005)

    Research output: Book/ReportReportProfessional

    Open Access

    Grazing behaviour in dairy cows as a predictor of grass intake

    Zom, R. L. G., van der Werf, J. T. N., Timmer, B., Hoeksma, D. & van Reenen, C. G., 2016, Book of Abstracts of the 67th Annual Meeting of the European Federation of Animal Science: EAAP – 67th Annual Meeting, Belfast. Wageningen: Wageningen Academic Publishers, p. 498-498 (Book of abstracts; no. 22).

    Research output: Chapter in Book/Report/Conference proceedingAbstract

    Open Access
    2015

    Onderzoek naar betere schatting van de dichtheid van gras- en maiskuilen

    Zom, R. L. G., Abbink, G. W. & van Schooten, H. A., 2015, Wageningen: Wageningen UR Livestock Research. 46 p. (Rapport / Wageningen UR Livestock Research; no. 872)

    Research output: Book/ReportReportProfessional

    Open Access
    2014

    Excretieforfaits van mest: verschillen tussen berekende en gemeten N/P2O5 ratio's in mest

    Groenestein, K., Bikker, P., Hoeksma, P., Zom, R. L. G. & van Bruggen, C., 2014, Wageningen: Wageningen UR Livestock Research. 36 p. (Rapport / Wageningen UR Livestock Research; no. 748)

    Research output: Book/ReportReportProfessional

    Open Access
    30 Citations (Scopus)

    Genetic parameters across lactation for feed intake, fat and protein corrected milk, and live weight in first parity Holstein cattle

    Manzanilla Pech, C. I. V., Veerkamp, R. F., Calus, M. P. L., Zom, R. L. G., van Knegsel, A., Pryce, J. E. & de Haas, Y., 2014, In : Journal of Dairy Science. 97, 9, p. 5851-5862

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    Milk Proteins
    parity (reproduction)
    Parity
    dairy protein
    Lactation
    Open Access
    dairy cows
    feed intake
    prediction
    energy
    milk

    Voorspellen van de voeropname van droogstaande melkkoeien

    Zom, R. L. G. & van Riel, J. W., 2014, Wageningen: Wageningen UR Livestock Research. 17 p. (Rapport / Wageningen UR Livestock Research; no. 794)

    Research output: Book/ReportReportProfessional

    Open Access
    2013

    Clustering van voerstromen in de Peel : case study duurzaam landgebruik en prestatie-indicatoren

    Cormont, A., van Diepen, C. A., Galama, P. J., Hack-ten Broeke, M. J. D., Roelsma, J., Uiterwijk, M. & Zom, R. L. G., 2013, Wageningen: Alterra, Wageningen-UR. (Alterra-rapport; no. 2456)

    Research output: Book/ReportReportProfessional

    Open Access

    Detection of diseases in dairy cows based on water and feed intake measurements

    de Mol, R. M., Oomen, M. A. R. M., Zom, R. L. G., Ipema, A. H. & Hogewerf, P. H., 2013, Precision Livestock Farming '13, 6th European Conference on Precision Livestock Farming, Leuven, Belgium, 10 - 12 September, 2013. Vandermeulen, J. & Berckmans, D. (eds.). p. 704-712

    Research output: Chapter in Book/Report/Conference proceedingConference paperAcademicpeer-review

    Open Access
    13 Citations (Scopus)

    Dietary effects of linseed on fatty acid composition of milk and on liver, adipose and mammary gland metabolism of periparturient dairy cows

    Mach Casellas, N., Zom, R. L. G., Widjaja-Greefkes, H. C. A., van Wikselaar, P. G., Weurding, R. E., Goselink, R. M. A., van Baal, J., Smits, M. A. & van Vuuren, A. M., 2013, In : Journal of Animal Physiology and Animal Nutrition. 97, Suppl. 1, p. 89-104

    Research output: Contribution to journalArticleAcademicpeer-review

    Flax
    linseed
    Human Mammary Glands
    mammary glands
    Milk
    30 Citations (Scopus)

    Effect of rumen-protected choline supplementation on liver and adipose gene expression during the transition period in dairy cattle

    Goselink, R. M. A., van Baal, J., Widjaja, H. C. A., Dekker, R. A., Zom, R. L. G., Veth, M. J. & van Vuuren, A. M., 2013, In : Journal of Dairy Science. 96, 2, p. 1102-1116

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    Rumen
    choline
    Choline
    dairy cattle
    rumen

    Evaluation of fill unit systems used for dairy cattle

    Zom, R. L. G., van Duinkerken, G. & van Vuuren, A. M., 2013, Book of Abstracts of the 64th Annual Meeting of the European Federation of Animal Science, Nantes, France 26-30 August 2013. Vol. 19. p. 137

    Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

    Jongveeopfok in bedrijfsverband = Heifer rearing; failure costs and profit opportunities

    Mourits, M. C. M., Zom, R. L. G., Derks, A. J. J., Evers, A. G., de Haan, M. H. A., Steeneveld, W. & Hogeveen, H., 2013, Lelystad: Wageningen UR Livestock Research. 77 p. (Rapport / Wageningen UR Livestock Research; no. 705)

    Research output: Book/ReportReportProfessional

    Open Access
    Open Access
    2012
    30 Citations (Scopus)

    Development of a model for the prediction of feed intake by dairy cows: 1. Prediction of feed intake

    Zom, R. L. G., André, G. & van Vuuren, A. M., 2012, In : Livestock Science. 143, 1, p. 43-57

    Research output: Contribution to journalArticleAcademicpeer-review

    Milk
    dairy cows
    feed intake
    prediction
    Parity
    11 Citations (Scopus)

    Development of a model for the prediction of feed intake by dairy cows. 2. Evaluation of prediction accuracy

    Zom, R. L. G., André, G. & van Vuuren, A. M., 2012, In : Livestock Science. 143, 1, p. 58-69

    Research output: Contribution to journalArticleAcademicpeer-review

    Lactation
    dairy cows
    feed intake
    Silage
    prediction
    14 Citations (Scopus)

    Effect of corn silage harvest maturity and concentrate type on milk fatty acid composition of dairy cows

    Khan, N. A., Tewoldebrhan, T. A., Zom, R. L. G., Cone, J. W. & Hendriks, W. H., 2012, In : Journal of Dairy Science. 95, 3, p. 1472-1483

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    Silage
    corn silage
    Zea mays
    Milk
    Fatty Acids

    Effect of harvest maturity of maize silage on dairy cow performance and enteric methane emission estimated using the Dutch Tier 3 approach

    Zom, R. L. G., Goselink, R. M. A., Khan, N. & Bannink, A., 2012, Proceedings of the 24th General meeting of the European Grassland federation, 03-07 June 2012, Lublin, Poland. Golinski, P., Warda, M. & Stypinski, P. (eds.). Poznan: Polish Grassland Society, p. 643-645

    Research output: Chapter in Book/Report/Conference proceedingAbstract

    corn silage
    dry matter intake
    methane
    dairy cows
    milk production

    Effect of increased maturity of silage maize at harvest on conservation, dairy cow performance and methane emission

    Zom, R. L. G., Bannink, A. & Goselink, R. M. A., 2012, Lelystad: Wageningen UR Livestock Research. 16 p. (Report / Wageningen UR Livestock Research; no. 578)

    Research output: Book/ReportReportProfessional

    Open Access
    corn silage
    methane
    dairy cows
    starch
    silage

    Gevolgen en perspectief van regionaal voercentrum voor de melkveehouderij = Implications and perspective of regional feed centre for the dairy sector

    Galama, P. J. & Zom, R. L. G., 2012, Lelystad: Wageningen UR Livestock Research. 32 p. (Rapport / Wageningen UR Livestock Research; no. 636)

    Research output: Book/ReportReportProfessional

    Open Access
    2011
    47 Citations (Scopus)

    Effect of rumen-protected choline on performance, blood metabolites, and hepatic triacylglycerols of periparturient dairy cattle

    Zom, R. L. G., van Baal, J., Goselink, R. M. A., Bakker, J. A., Veth, M. J. & van Vuuren, A. M., 2011, In : Journal of Dairy Science. 94, 8, p. 4016-4027

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    Rumen
    choline
    Choline
    dairy cattle
    rumen

    Effects of liniseed supplementation on milk composition and on liver, adipose and mammary gland metabolism of periparturient dairy cattle

    Mach Casellas, N., Zom, R. L. G., Widjaja, H. C. A., van Wikselaar, P. G., Weurding, E., Goselink, R. M. A., van Baal, J., Smits, M. A. & van Vuuren, A. M., 2011, Proceedings of the 8th International Symposium on the Nutrition of Herbivores (ISHN8), Aberystwyth, Wales, UK, 6-9 September 2011. Thomas, C. (ed.). Cambridge: Cambridge University Press, Vol. 2. p. 333-333

    Research output: Chapter in Book/Report/Conference proceedingAbstract

    GrazeVision: A versatile grazing decision support model

    Zom, R. L. G. & Holshof, G., 2011, 16th EGF Symposium, Grassland Science in Europe, Raumberg-Gumpenstein, Austria, 28 - 31 August, 2011. Pötsch, E. M., Krautzer, B. & Hopkins, A. (eds.). Irdning, Austria: Agricultural Research and Education Centre Raumberg-Gumpenstein, Vol. 16. p. 226-228

    Research output: Chapter in Book/Report/Conference proceedingConference paper

    grazing
    forage
    pastures
    milk production
    input prices
    2010

    Effect of rumen-protected choline on performance and hepatic triacylglycerol concentrations in early-lactating dairy cattle

    van Vuuren, A. M., Goselink, R. M. A., Zom, R. L. G., Veth, M. J. & van Baal, J., 2010, 3rd EAAP International Symposium on Energy and Protein Metabolism and Nutrition, Parma, Italy, 6 - 9 September, 2010. Matteo Crovetto, G. (ed.). Wageningen: Wageningen Academic Publishers, Vol. 127. p. 493-493

    Research output: Chapter in Book/Report/Conference proceedingAbstract

    Effects of rumen-protected choline on performance and hepatic fat metabolism in periparturient dairy cattle

    Zom, R. L. G., van Baal, J., Veth, M. J., Goselink, R. M. A., Widjaja, H. C. A., Bakker, J. A. & van Vuuren, A. M., 2010, In : Journal of Dairy Science. 93, E-Suppl.1, p. 781

    Research output: Contribution to journalAbstractAcademic

    Open Access

    "Graasvisie" helpt bij beweidings management

    Holshof, G., van den Pol, A. & Zom, R. L. G., 2010, In : V-focus. 7, 2, p. 18-19

    Research output: Contribution to journalArticleProfessional

    Open Access

    Rumen-protected choline reduces hepatic triacylglycerol concentrations in periparturent dairy cattle

    van Vuuren, A. M., Zom, R. L. G., Goselink, R. M. A., Bakker, J. A. & Veth, M. J., 2010, Proceedings of the 64th Congress of German Society for Nutrition Physiology, Göttingen, Germany, 9-11 March 2010. Flachowsky, G. (ed.). Frankfurt am Main: DLG-Verlag, Vol. 19. p. 83-83

    Research output: Chapter in Book/Report/Conference proceedingAbstract

    The effect of rumen protected choline on hepatic triacylglycerol concentration in periparturient dairy cattle

    Goselink, R. M. A., Zom, R. L. G., Veth, M. J. & van Vuuren, A. M., 2010, Proceedings of the 14th International Conference on Production Diseases in Farm Animals; Gent, Belgium, 20 - 24 June, 2010. Zelzate: University Press, p. 43-44

    Research output: Chapter in Book/Report/Conference proceedingAbstract

    2009

    Fermentation and nutritional value of blighted corn silage

    van Schooten, H. A. & Zom, R. L. G., 2009, XVth International Silage Conference, 27 - 29 July, 2009, Madison, Wisconsin, USA. Madison, Wisconsin, USA, p. 327-328

    Research output: Chapter in Book/Report/Conference proceedingConference paper

    Open Access

    Lage krachtvoergiften en diergezondheid in de biologische melkveehouderij

    Zom, R. L. G., 2009, In : BioKennis nieuws. 2009, 02-10-2009

    Research output: Contribution to journalArticleProfessional

    Open Access

    Lage krachtvoergiften en diergezondheid in de biologische melkveehouderij

    Zom, R. L. G. & Smolders, E. A. A., 2009, Lelystad: ASG veehouderij. 26 p. (Rapport / Animal Sciences Group; no. 246)

    Research output: Book/ReportReportProfessional

    Open Access

    Lage krachtvoergift hoeft niet te leiden tot meer gezondheidsproblemen

    Zom, R. L. G. & Smolders, E. A. A., 2009, In : V-focus. 6, 4, p. 24-26

    Research output: Contribution to journalArticleProfessional

    Open Access
    2008

    Dynamisch melken en voeren levert geld op

    Ouweltjes, W., Andre, G., Zom, R. L. G. & Bleumer, E. J. B., 2008, In : V-focus. 5, april (2), p. 22-23, 25

    Research output: Contribution to journalArticleProfessional

    Open Access

    Effect of silage maize hybrid (dry down vs. stay green) on dairy cow performance

    Zom, R. L. G., van Schooten, H. A. & van Laar, H., 2008, Proceedings of the 22nd General Meeting of the European Grassland Federation Biodiversity and Animal Feed Future challenges for Grassland Production, Uppsala, Sweden, 9 - 12 June, 2008. Vol. 13. p. 876-878

    Research output: Chapter in Book/Report/Conference proceedingConference paper

    corn silage
    silage
    dairy cows
    starch
    degradation

    Effect van stikstofverlaging op productie van grasland en rundvee

    Remmelink, G. J., Zom, R. L. G., van Houwelingen, K. M. & Zonderland, J. J., 2008, Lelystad: Animal Sciences Group. 78 p. (Rapport / Animal Sciences Group; no. 175)

    Research output: Book/ReportReportProfessional

    Open Access

    Helminthosporium in snijmaïs : deskstudie en praktijkonderzoek

    van Schooten, H. A., Groten, J. A. M., Meier, R., Zom, R. L. G. & Schepers, H. T. A. M., 2008, Lelystad: Animal Sciences Group. 50 p. (Rapport / Animal Sciences Group; no. 168)

    Research output: Book/ReportReportProfessional

    Open Access

    Penssynchronisatie: toetsing in voerderproeven = Synchronization of rumen fermentation: testing in feeding experiments

    van Duinkerken, G., Bakker, J., Blok, M. C., Brandsma, G. G., Crone, J. W., Klop, A., Remmelink, G. J., van Vuuren, A. M. & Zom, R. L. G., 2008, Wageningen: Animal Sciences Group. 75 p. (Rapport / Animal Sciences Group; no. 30)

    Research output: Book/ReportReportProfessional

    Open Access
    2007
    71 Citations (Scopus)

    Dairy Wise, A Whole-Farm Dairy Model

    Schils, R. L. M., de Haan, M. H. A., Hemmer, J. G. A., van den Pol, A., de Boer, J. A., Evers, A. G., Holshof, G., van Middelkoop, J. C. & Zom, R. L. G., 2007, In : Journal of Dairy Science. 90, 11, p. 5334-5346

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    dairy farming
    dairies
    farms
    farm budgets
    Nitrates