Zobrazeno 1 - 10
of 26
pro vyhledávání: '"J.A. de Boer"'
Het project KringloopWijzer heeft tot doel een instrument te ontwikkelen en te toetsen, waarmee voor melkveebedrijven of bedrijven met een melkveetak de kringloop en verliezen van stikstof, fosfaat en koolstof in beeld worden gebracht. Het instrument
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ce39aeeca30c05eb5a96fda3c29dc09
https://research.wur.nl/en/publications/rekenregels-van-de-kringloopwijzer-2020-achtergronden-van-bex-bea
https://research.wur.nl/en/publications/rekenregels-van-de-kringloopwijzer-2020-achtergronden-van-bex-bea
Autor:
W. van Dijk, Jouke Oenema, L.A. Lagerwerf, Ppo, M.H.A. de Haan, J. Verloop, J.A. de Boer, M.C. de Vries, LR Veehouderij en omgeving
ANCA (Annual Nutrient Cycle Assessment) is a calculation model (software) to describe the complete nutrient flow of nitrogen, phosphorus and carbon for a dairy farm, including a LCA analysis. The complete calculation method, including belonging formu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57fc1f390790d543a7e60543deb1b733
https://doi.org/10.18174/533905
https://doi.org/10.18174/533905
Autor:
J.A. de Boer
Publikováno v:
Tijdschrift voor Constitutioneel Recht. 9:163-168
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3abbdc2f2f159d9803de261534d46b72
https://doi.org/10.5553/tvcr/187966642018009002004
https://doi.org/10.5553/tvcr/187966642018009002004
Akademický článek
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Autor:
J.C. van Middelkoop, A. van den Pol-van Dasselaar, G. Holshof, J.G.A. Hemmer, R.L.G. Zom, M.H.A. de Haan, René Schils, J.A. de Boer, A.G. Evers
Publikováno v:
Journal of Dairy Science, 90(11), 5334-5346
Journal of Dairy Science 90 (2007) 11
Journal of Dairy Science 90 (2007) 11
A whole-farm dairy model was developed and evaluated. The DairyWise model is an empirical model that simulated technical, environmental, and financial processes on a dairy farm. The central component is the FeedSupply model that balanced the herd req
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a039d5482317315199b9567f3e5b50b
https://research.wur.nl/en/publications/dairy-wise-a-whole-farm-dairy-model
https://research.wur.nl/en/publications/dairy-wise-a-whole-farm-dairy-model
Autor:
E Kanis, J.A de Boer
Publikováno v:
Livestock Production Science 29 (1991)
Livestock Production Science, 29, 197-211
Livestock Production Science, 29, 197-211
Curves for daily gain (DG), feed intake (FI) and feed efficiency (FE) of pigs treated with recombinant porcine somatotropin (rpST) were compared with curves of placebo-treated pigs from 60 to 140 kg live weight. The 48 animals included three genotype
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61af70b01bc0c49ed8bc04a47bfc2f08
https://research.wur.nl/en/publications/effects-of-recombinant-porcine-somatotropin-on-growth-feed-intake
https://research.wur.nl/en/publications/effects-of-recombinant-porcine-somatotropin-on-growth-feed-intake
Publikováno v:
Journal of Dairy Science 72 (1989)
Journal of Dairy Science, 72, 2143-2152
Journal of Dairy Science, 72, 2143-2152
A multiphasic function was fitted to first through third-parity curves for milk and fat yields of Israeli Holsteins, grouped by yield and by days open classes. A triphasic function, the sum of three logistic functions, was fitted to milk yield curves
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc16779b2241bcfa37e7651fba493afe
https://doi.org/10.3168/jds.s0022-0302(89)79339-5
https://doi.org/10.3168/jds.s0022-0302(89)79339-5