Johan Schrama

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Research Output

221 Article
132 Abstract
43 Conference paper
41 Report
25 More

Carbohydrate utilisation by tilapia: a meta-analytical approach

Maas, R. M., Verdegem, M. C. J., Wiegertjes, G. F. & Schrama, J. W., 17 Jan 2020, In : Reviews in Aquaculture.

Research output: Contribution to journal › Article › Academic › peer-review

Open Access

Digestible energy versus net energy approaches in feed evaluation for rainbow trout

Groot, R., Lyons, P. & Schrama, J. W., 14 Feb 2020, Wias Annual Conference 2020: Frontiers in Animal Sciences. WIAS, p. 40-40

Research output: Chapter in Book/Report/Conference proceeding › Abstract

Open Access

Effect of dietary carbohydrate to lipid ratio on performance of Nile tilapia and enhancement of natural food in pond aquaculture

Kabir, K. A., Verdegem, M. C. J., Verreth, J. A. J., Phillips, M. J. & Schrama, J. W., May 2020, In : Aquaculture Research. 51, 5, p. 1942-1954

Research output: Contribution to journal › Article › Academic › peer-review

Open Access

Effect of dietary non-protein energy source (starch vs. fat) on total bile acid pool size and composition of rainbow trout (Oncorhynchus mykiss)

Staessen, T. W. O., Verdegem, M. C. J., Eding, E. H., Nederlof, M. A. J. & Schrama, J. W., 14 Feb 2020, Wias Annual Conference 2020: Frontiers in Animal Sciences. WIAS, p. 82-82

Research output: Chapter in Book/Report/Conference proceeding › Abstract

Open Access

Quantifying methionine requirement of African catfish (clarias gariepinus) using a plant-based diet

Elesho, F., Verreth, J. A. J., Sutter, D. A. H., Kröckel, S. & Schrama, J. W., 14 Feb 2020, Wias Annual Conference 2020: Frontiers in Animal Sciences. WIAS, p. 65-65

Research output: Chapter in Book/Report/Conference proceeding › Abstract

Open Access

Activities

6 Public lecture/debate/seminar
4 Participation in or organising a conference
4 Oral presentation
1 Consultancy
1 More
- 1 Invited talk

Effect of stocking density on the survival rate and grow-out of blue swimming crab (Portunus pelagicus) in brackish water ponds

Restiana Wisnu Ariyati (Speaker), Sri Rejeki (Contributor), Roel Bosma (Contributor), Johan Schrama (Contributor)

8 Apr 2019 → 12 Apr 2019

Activity: Talk or presentation › Oral presentation

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 2019

Activity: Talk or presentation › Oral presentation

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 2018

Activity: Talk or presentation › Oral presentation