Research output per year
Research output per year
Fingerprint
Dive into the research topics where Johan Schrama is active. These topic labels come from the works of this person. Together they form a unique fingerprint. If staff member(s) published prior to his/her WUR affiliation, it is possible that the publication overview, Fingerprint and network diagram are incomplete.
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Research output
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Apparent digestibility coefficients of local palm kernel cakes, rice bran, maize bran and sago flour in the GIFT strain of Nile tilapia (Oreochromis niloticus)
Yossa, R., Ahmad Fatan, N., Fairchild, J. & Schrama, J. W., 18 Jan 2021, In : Journal of Applied Aquaculture.Research output: Contribution to journal › Article › Academic › peer-review
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Differences in energy utilization efficiency of digested protein, fat and carbohydrates in snakehead (Channa striata)
Phan, L. T. T., Masagounder, K., Mas-Muñoz, J. & Schrama, J. W., 15 Feb 2021, In : Aquaculture. 532, 736066.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Effect of enzymes (phytase and xylanase), probiotics (B. amyloliquefaciens) and their combination on growth performance and nutrient utilisation in Nile tilapia
Maas, R. M., Verdegem, M. C. J., Debnath, S., Marchal, L. & Schrama, J. W., 25 Feb 2021, In : Aquaculture. 533, 736226.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Effect of feeding during off-flavour depuration on geosmin excretion by Nile tilapia (Oreochromis niloticus)
Schram, E., Kwadijk, C., Hofman, A., Blanco, A., Murk, A., Verreth, J. & Schrama, J., 30 Jan 2021, In : Aquaculture. 531, 735883.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Effects and interactions between phytase, xylanase and β-glucanase on growth performance and nutrient digestibility in Nile tilapia
Maas, R. M., Verdegem, M. C. J., Lee, C. N. & Schrama, J. W., Jan 2021, In : Animal Feed Science and Technology. 271, 114767.Research output: Contribution to journal › Article › Academic › peer-review
Open Access
Activities
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Protein deposition in Nile tilapia (Oreochromis niloticus): the interplay between daily protein and energy intake
Gauthier Konnert (Speaker), Walter Gerrits (Contributor), Sander Gussekloo (Contributor) & Johan Schrama (Contributor)
13 Feb 2020Activity: Talk or presentation › Oral presentation › Academic
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The effect of dietary protein to energy ratio and stocking densities on fish production, food web enhancement and economic benefit of gift Nile tilapia aquaculture in ponds
Kazi Kabir (Speaker), Marc Verdegem (Contributor), Johan Schrama (Contributor), Johan Verreth (Contributor) & Michael J. Phillips (Contributor)
8 Apr 2019 → 12 Apr 2019Activity: Talk or presentation › Oral presentation › Other
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Effect of stocking density on the survival rate and grow-out of blue swimming crab (Portunus pelagicus) in brackish water ponds
Restiana Ariyati (Speaker), Sri Rejeki (Contributor), Roel Bosma (Contributor) & Johan Schrama (Contributor)
8 Apr 2019 → 12 Apr 2019Activity: Talk or presentation › Oral presentation › Other
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The contribution of microorganisms in bioflocs in making unavailable phosphate, fixed in dietary phytate, available for Nile tilapia
M.C.J. Verdegem (Speaker), Samara Hutting (Contributor), Joost van Loo (Contributor), J.W. Schrama (Contributor) & J.A.J. Verreth (Contributor)
27 Aug 2018Activity: Talk or presentation › Oral presentation › Other
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Impact of dietary ingredient composition on fecal characteristics, nutrient availability and waste production in common carp reared in RAS.
L.T.N. Heinsbroek (Contributor), P. Antony Jesu Prabhu (Speaker), Eleni Fountoulaki (Contributor), E.H. Eding (Contributor), Sachi J. Kaushik (Contributor) & J.W. Schrama (Contributor)
3 Jun 2018 → 7 Jun 2018Activity: Talk or presentation › Oral presentation › Other
Press / Media
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Kweekvis moet op een visvrij dieet
26/11/16
1 item of Media coverage
Press/Media: Expert Comment › Other
Projects
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The nutritional value of carbohydrates for Indian carp
Dey, B., Kabir, K., Schrama, J. & Verdegem, M.
1/03/20 → …
Project: PhD
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Developing feeding strategy for (carp-tilapia) polyculture
Akter, M., Kabir, K., Schrama, J. & Verdegem, M.
1/03/20 → …
Project: PhD
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Exploring the use of net energy evaluation for salmonids
Groot, R., Schrama, J. & Wiegertjes, G.
1/09/18 → …
Project: PhD