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Agnes van den Pol-van Dasselaar
Wageningen University and Research Centre
3Publications
1H-index
2Citations
Publications 3
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#1C.W. Klootwijk (WUR: Wageningen University and Research Centre)H-Index: 3
#2G. Holshof (WUR: Wageningen University and Research Centre)
Last.Corina E. van Middelaar (WUR: Wageningen University and Research Centre)H-Index: 6
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ABSTRACT The rising plate meter (RPM) is used to measure grass height, which subsequently is used in a calibration equation to estimate herbage mass (HM), an important parameter for optimization of feed management in grazing systems. The RPM is placed on the sward and measures the resistance of the sward toward the plate, which depends not only on grass length, but also on sward structure. The accuracy of the calibration equation for the RPM to estimate HM across grazing systems, however, has no...
2 CitationsSource
#1C.W. Klootwijk (WUR: Wageningen University and Research Centre)H-Index: 3
#2G. Holshof (WUR: Wageningen University and Research Centre)
Last.Corina E. van Middelaar (WUR: Wageningen University and Research Centre)H-Index: 6
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ABSTRACT Dairy farms with intensive grazing systems combine grazing with supplemental feeding, which can be challenging because an incorrect balance between fresh grass allowance and feed supplementation results in inefficient use of the pasture, lower feed efficiency, and potential decreases in animal production. When estimating fresh grass allowance, we currently do not correct for the formation of rejected patches (RP) surrounding excreta, which can lead to overestimation of the potential fre...
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#1R.L.M. SchilsH-Index: 3
#2R.L.M. SchilsH-Index: 20
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In many intensive dairy regions in northwest Europe, a decline in grazing is observed. In the Netherlands, the proportion of dairy cows with access to pasture is declining, as well as the time spent grazing per cow. The decline in grazing is seen as an unwanted trend by many stakeholders and is, thus, under debate amongst dairy farmers, the dairy chain, and society. Therefore, a public–private partnership was initiated to encourage grazing by providing farmers with usable means of improving thei...
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