Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

    Records 1 - 20 / 46

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    Woekerplanten en ziekten, de last van invasieve exoten
    Dijk, Chris van - \ 2019
    Sturen op stikstofbenutting rantsoen
    Dijkstra, Jan - \ 2019
    Kali-advies mais 100 kilo lager
    Hoekzema, Gerard ; Kroonen, Marc - \ 2019
    Risicospreiding met maismengsel slaat aan
    Groten, Jos - \ 2019
    Groepskraamhok goed voor de big: Resultaten promotie-onderzoek leiden tot vervolgonderzoek door bedrijfsleven en WUR
    Nieuwamerongen, S.E. van; Peet-Schwering, C.M.C. van der - \ 2017
    animal welfare - animal health - pigs - piglets - animal production - animal housing

    Het groepskraamhok bevordert de bigontwikkeling. Dat concludeert promovendus Sofie van Nieuwamerongen in haar proefschrift. Voor het bedrijfsleven zijn de resultaten van haar promotieonderzoek aanleiding om samen met Wageningen University & Research vervolgonderzoek te doen.

    Zetmeel is risico van ultravroeg maïs
    Verhoeven, John - \ 2017
    Zetmeel is risico van ultravroeg maïs
    Verhoeven, John - \ 2017
    Zetmeel is risico van ultravroeg maïs
    Verhoeven, John - \ 2017
    Zetmeel is risico van ultravroeg maïs
    Verhoeven, John - \ 2017
    Veehouder gokt op ultravroege maïs
    Groten, Jos - \ 2016
    Veehouder gokt op ultravroege maïs
    Groten, Jos - \ 2016
    Veehouder gokt op ultravroege maïs
    Groten, Jos - \ 2016
    Extreem weer remt opbrengst snijmais
    Colenbrander, E. ; Groten, J.A.M. - \ 2014
    Melkvee Magazine 13 (2014)2. - p. 32 - 33.
    zea mays - weer - gewasopbrengst - maïskuilvoer - bemesting - kalium - dosering - zea mays - weather - crop yield - maize silage - fertilizer application - potassium - dosage
    Een opbrengst van 50 ton per hectare. Een dergelijk resultaat is mogelijk als de weersomstandigheden meezitten. Maar het weer wordt extremer en er dreigt kalitekort. Er is ook goed nieuws: er komen telkens nieuwe rassen, die nog beter scoren in opbrengst en voederwaarde.
    Aardappeldemodag Westmaas 2012
    Colenbrander, E. ; Tramper, M. - \ 2012
    Westmaas : Akkerwijzer
    Impressie van de aardappeldemodag in Westmaas. Ruim 5000 akkerbouwers hebben zich in Westmaas voor laten lichten van de laatste technieken en nieuwtjes in de aardappelsector.
    Aardappeldemodag gemist? Bekijk video!
    Colenbrander, E. ; Tramper, M. - \ 2012
    Alles over aardappelteelt op zand
    Colenbrander, E. ; PPO Akkerbouw, Groene Ruimte en Vollegrondsgroente, - \ 2011
    Stal en Akker 19 (2011)21. - ISSN 1386-1379 - p. 7 - 7.
    Functionality of cryopreserved juvenile ovaries from mutant mice in different genetic background strains after allotransplantation
    Huang, K.Y. ; Groot, S.A. de; Woelders, H. ; Horst, G.T.J. van der; Themmen, A.P.N. ; Colenbrander, B. ; Fentener van Vlissingen, J.M. - \ 2010
    Cryobiology 60 (2010)2. - ISSN 0011-2240 - p. 129 - 137.
    in-vitro fertilization - adult-mouse ovaries - dna-repair enzyme - orthotopic transplantation - antral follicles - tissue - vitrification - oocytes - fertility - protein
    The rapid expansion of mutant mouse colonies for biomedical research has resulted in lack of space at laboratory animal facilities and increasing risks of losing precious lines. These challenges require cheap and effective methods in addition to freezing embryos and sperm to archive the expanding mutant mouse lines. Cryopreservation of mouse ovarian tissue has been reported, but the application in the diverse mutant lines and genetic backgrounds has not yet been studied. In this study, juvenile ovaries (10-day-old) collected from genetically modified mouse lines were cryopreserved using high concentrations of cryoprotectants (dimethyl sulfoxide (Me(2)SO) and ethylene glycol (EG)) and instrumented ultra-rapid freezing. The validation of the frozen ovary batches was assessed by orthotopically transplanting a thawed ovary into a nearly completely ovariectomized mature female (congenic with the ovary donor). After 2 weeks of recovery, the ovary recipient was continuously paired with a male (congenic with the ovary donor) to evaluate the fertility of the recipient and delivered offspring were genotyped to evaluate the continued functionality of the grafted ovary. The recipient females delivered genetically modified offspring starting 6 weeks after ovary transplantation and lasting up to 6 months. The presented cryopreservation and transplantation protocols enabled retrieval of the genetic modification in 20 (from 22) genetically modified mutant mouse models on a C57BL/6 (17), FVB (2), or BALB/c (1) background. The thawed ovaries functioned after successful orthotopic allotransplantation to congenic wild-type recipients and produced mutant offspring, which allowed recreation of the desired genotype as a heterozygote on the proper genetic background. The results indicate that cryopreservation of mouse ovaries is a promising method to preserve genetic modification of the increasing number of mutant mouse models and can be used as a model for ovary cryopreservation using a variety of mouse mutants.
    Capaciteit mobiele robot laat te wensen over
    Colenbrander, E. - \ 2009
    Melkvee Magazine 2009 (2009)6. - p. 39 - 39.
    melken - robots - mobiele apparaten - melkmachines - machinaal melken - melkveehouderij - milking - robots - mobile units - milking machines - machine milking - dairy farming
    Koeien melken in de wei met een mobiele melkrobot is technisch mogelijk. Maar de capaciteit is nog lang niet zo hoog als op stal. Mobiele melkrobot systemen realiseren een melkopbrengst van 1200 à 1300 liter melk per dag. ASG-onderzoeker Michel de Haan legt zich hier niet bij neer
    Blastocyst morphology, actin cytoskeleton quality and chromosome content are correlated with embryo quality in the pig
    Zijlstra, C. ; Kidson, A. ; Schoevers, E.J. ; Daemen, A.J.J.M. ; Tharasanit, T. ; Kuijk, E.W. ; Hazeleger, W. ; Ducro-Steverink, D.W.B. ; Colenbrander, B. ; Roelen, B.A.J. - \ 2008
    Theriogenology 70 (2008)60. - ISSN 0093-691X - p. 923 - 935.
    matured in-vitro - bovine embryos - oocyte maturation - sex-ratio - fertilization - vivo - aneuploidy - survival - system - cells
    Embryo survival rates obtained after transfer of in vitro produced porcine blastocysts are very poor. This is probably related to poor quality of the embryos. The aim of the present study was to determine markers for good quality blastocysts. Therefore, we tried to link blastocyst morphology to several morphological and cell biological properties, and evaluated the survival of in vitro produced, morphologically classified, blastocysts following non-surgical transfer. In vitro and in vivo produced blastocysts were allocated to two groups (classes A and B) on the basis of morphological characteristics. The quality of their actin cytoskeleton, their total cell number, their ability to re-expand after cytochalasin-B treatment and the occurrence of numerical chromosome aberrations were studied and compared. In vivo produced blastocysts were used as a control. Our results indicate that the ability of blastocysts to re-expand after cytochalasin-B-induced actin depolymerization was positively correlated with the morphology of the blastocyst, and associated with the quality of the actin cytoskeleton. Chromosome analysis revealed that mosaicism is inherent to the in vitro production of porcine embryos, but also that in vivo produced blastocysts contained some non-diploid cells. In non-surgical embryo transfer experiments more recipients receiving class A blastocysts were pregnant on Day 20 than those receiving class B blastocysts. One recipient gave birth to six piglets from class A in vitro produced blastocysts, providing a verification of the enhanced viability of blastocysts that were scored as `good¿ on the basis of their morphology.
    Cryopreservation of ovarian tissue - an efficient and thus ethically sound approach for archiving genetically modified mouse lines
    Huang, K.Y. ; Themmen, A.P.N. ; Kramer, P. ; Woelders, H. ; Horst, G.T.J. van der; Colenbrander, B. ; Fentener van Vlissingen, J.M. - \ 2008
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