1990 …2020

Research output per year

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Research Output

2002

Energievoorziening en -benutting. Varkensvoeding: nieuwe ontwikkelingen en praktijk

Schrama, J. W., 2002, Unknown. Wageningen, p. 14

Research output: Chapter in Book/Report/Conference proceedingChapter

Energy metabolism in young pigs as affected by establishment of new groups prior to transport

Heetkamp, M. J. W., Schrama, J. W., Schouten, W. G. P. & Swinkels, J. W. G. M., 2002, In : Journal of Animal Physiology and Animal Nutrition. 86, p. 144-152

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)

Fermented wheat in liquid diets : effects on gastrointestinal characteristics in weanling piglets

Scholten, R. H. J., van der Peet-Schwering, C. M. C., den Hartog, L. A., Balk, M., Schrama, J. W. & Verstegen, M. W. A., 2002, In : Journal of Animal Science. 80, p. 1179-1186

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
37 Citations (Scopus)

Group size and space availability affect behaviour and stress parameters in African catfish (Clarias gariepinus)

Almazan-Rueda, P., Schrama, J. W. & Verreth, J. A. J., 2002, Proceedings of the 36th International Congress of the International Society of Applied Ethology. Wageningen: Ponsen en Looijen, p. 1-119

Research output: Chapter in Book/Report/Conference proceedingAbstract

Increased fat deposition after repeated immunisation in growing chickens

Parmentier, H. K., Bronkhorst, S., Nieuwland, M. G. B., de Vries Reilingh, G., van der Linden, J. M., Heetkamp, M. J. W., Kemp, B., Schrama, J. W., Verstegen, M. W. A. & van den Brand, H., 2002, In : Poultry Science. 81, 9, p. 1308-1316

Research output: Contribution to journalArticleAcademicpeer-review

Interactions of dietary polyunsaturated fatty acids and vitamin E with regard to vitamin E status, fat composition and antibody responsiveness in layer hens

Sijben, J. W. C., Schrama, J. W., Nieuwland, M. G. B., Hovenier, R., Beynen, A. C., Verstegen, M. W. A. & Parmentier, H. K., 2002, In : British Poultry Science. 43, p. 297-305

Research output: Contribution to journalArticleAcademicpeer-review

22 Citations (Scopus)

Welfare in fish farming

Verreth, J. A. J., Komen, J. & Schrama, J. W., 2002, Proceedings of the 36th International congress of the International Society of Applied ethology : Wageningen. Wageningen: Ponsen en Looijen, p. 35-36

Research output: Chapter in Book/Report/Conference proceedingAbstract

2003

Dietary betaine supplementation affects energy metabolism of pigs

Schrama, J. W., Heetkamp, M. J. W., Simmins, P. H. & Gerrits, W. J. J., 2003, In : Journal of Animal Science. 81, 5, p. 1202-1209

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
44 Citations (Scopus)

Dietary carnitine supplements increased lipid metabolism and decreased protein oxidation in African catfish (Clarias gariepinus) juveniles fed high fat levels

Ozório, O. A., Verreth, J. A. J., Aragao, C. R., Vermeulen, C. J., Schrama, J. W., Verstegen, M. W. A. & Huisman, E. A., 2003, In : Journal of aquaculture in the tropics. 18, 3, p. 225-238

Research output: Contribution to journalArticleAcademicpeer-review

Early in vivo cytokine genes expression in chickens after challenge with Salmonella typhimurium lipopolysaccharide and modulation by dietary n-3 polyunsaturated fatty acids

Sijben, J. W. C., Klasing, K. C., Schrama, J. W., Parmentier, H. K., van der Poel, J. J., Savelkoul, H. F. J. & Kaiser, P., 2003, In : Developmental and Comparative Immunology. 27, p. 611-619

Research output: Contribution to journalArticleAcademicpeer-review

48 Citations (Scopus)

Effect of coping strategy and housing system on energy metabolism of breeding gilts

Heetkamp, M. J. W., Geverink, N. A., van den Brand, H. & Schrama, J. W., 2003, Progress in research on energy and protein metabolism. Wageningen, 4 p. (EAAP publicatie; no. 109).

Research output: Chapter in Book/Report/Conference proceedingChapter

Effects of dietary fermentable carbohydrates on behavior and heat production in group-housed sows

Rijnen, M. M. J. A., Verstegen, M. W. A., Heetkamp, M. J. W., Haaksma, J. & Schrama, J. W., 2003, In : Journal of Animal Science. 81, 1, p. 182-190

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
28 Citations (Scopus)

Effects of housing and individual coping characteristics in immune responses of pigs

Bolhuis, J. E., Parmentier, H. K., Schouten, W. G. P., Schrama, J. W. & Wiegant, V. M., 2003, In : Physiology and Behavior. 79, p. 289-296

Research output: Contribution to journalArticleAcademicpeer-review

71 Citations (Scopus)

Effects of two different dietary fermentable carbohydrates on activity and heat production in group-housed growing pigs

Rijnen, M. M. J. A., Verstegen, M. W. A., Heetkamp, M. J. W. & Schrama, J. W., 2003, In : Journal of Animal Science. 81, 5, p. 1210-1219

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
15 Citations (Scopus)

Energievoorziening en -benutting

Schrama, J. W., 2003, Varkensvoeding: nieuwe ontwikkelingen en praktijk. Wageningen, p. 14

Research output: Chapter in Book/Report/Conference proceedingChapter

Housing conditions and carbohydrate source affect within-day variation of energy metabolism in growing pigs

Rijnen, M. M. J. A., van den Borne, J. J. G. C., Schrama, J. W. & Gerrits, W. J. J., 2003, Progress in research on energy and protein metabolism. Souffrant, W. B. & Metges, C. C. (eds.). Wageningen, p. 367-370 840 p. (EAAP Scientific Series; no. 109).

Research output: Chapter in Book/Report/Conference proceedingChapter

Individually assessed creep feed consumption by suckling piglets: influence on post-weaning feed intake characteristics and indicators of gut morphology

Bruininx, E. M. A. M., Schellingerhout, A. B., Binnendijk, G. P., van der Peet-Schwering, C. M. C., Schrama, J. W., den Hartog, L. A., Everts, H. & Beynen, A. C., 2003, Proceedings of the 9th International Symposium on Digestive Physiology in Pigs, University of Alberta, Banff Alberta, Canada. Vol. 2. p. 143-145

Research output: Chapter in Book/Report/Conference proceedingConference paper

Influences of dietary fibre on physical activity and behaviour, and on its energy value for growing pigs

Gerrits, W. J. J., Rijnen, M. M. J. A., Bolhuis, J. E. & Schrama, J. W., 2003, Perspectives in Pig Science. Nottingham: Nottingham University Press, p. 475-490 536 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Interindividual variation in feed utilization and growth rate of Clarias gariepinus

de Matos Martins, C. I., Schrama, J. W. & Verreth, J. A. J., 2003, World aquaculture 2003, book of abstracts. Vol. 1. p. 464

Research output: Chapter in Book/Report/Conference proceedingAbstract

Netherlands study links fish feeding behavior with growth performance

de Matos Martins, C. I., Schrama, J. W. & Verreth, J. A. J., 2003, In : Global Aquaculture Advocate. 6, 6, p. 60-61

Research output: Contribution to journalArticleProfessional

Relationship between aggressive behaviour at weaning and social rank of pigs with different coping characteristics

Bolhuis, J. E., Schouten, W. G. P., Schrama, J. W. & Wiegant, V. M., 2003, Proceedings of the 37th International Congress of the ISAE, Abano Terme, Italy. Italy, p. 93-93

Research output: Chapter in Book/Report/Conference proceedingAbstract

2004

Apparent digestibility coefficient of duckweed (Lemna minor), fresh and dry for Nile tilapia (Oreochromis niloticus L.)

El-Shafai, S. A. A. M., El-Gohary, F., Verreth, J. A. J., Schrama, J. W. & Gijzen, H. J., 2004, In : Aquaculture Research. 35, 6, p. 574-586

Research output: Contribution to journalArticleAcademicpeer-review

20 Citations (Scopus)

Backtest type and housing condition of pigs influence energy metabolism

Geverink, N. A., Heetkamp, M. J. W., Schouten, W. G. P., Wiegant, V. M. & Schrama, J. W., 2004, In : Journal of Animal Science. 82, 4, p. 1227-1233

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
32 Citations (Scopus)

Behavioural responses under different feeding methods and light regimes of the African catfish (Clarias gariepinus) juveniles

Almazán Rueda, P., Schrama, J. W. & Verreth, J. A. J., 2004, In : Aquaculture. 231, 1-4, p. 347-359

Research output: Contribution to journalArticleAcademicpeer-review

85 Citations (Scopus)

C, N, P balances of five feed ingredients evaluated as fishmeal alternatives in tilapia diets

Schneider, O., Amirkolaie, A. K., Vera-Cartas, J., Eding, E. H., Schrama, J. W. & Verreth, J. A. J., 2004, Conference on 'Biotechnologies for quality', Barcelona, Spanje. Vol. 34. p. 725-726

Research output: Chapter in Book/Report/Conference proceedingConference paper

Comparison of digestibility and faeces recovery using two methods of faeces collection

Amirkolaie, A. K., Schrama, J. W. & Verreth, J. A. J., 2004, Conference on 'Biotechnologies for quality', Barcelona, Spanje, 2004. p. 120-121

Research output: Chapter in Book/Report/Conference proceedingConference paper

Comparison of feed preference of Litopenaeus vannamei fed SCP or commercial diets

Schneider, O., Cong, L. T., Sereti, V., Eding, E. H., Schrama, J. W. & Verreth, J. A. J., 2004, Conference on 'Biotechnologies for quality', Barcelona, Spanje, EAS Conference, 20-23 October 2004. Vol. 34. p. 727-728

Research output: Chapter in Book/Report/Conference proceedingConference paper

Digesta viscosity, growth performance and nutrient digestibility in African catfish fed grain sources with different viscosities

Leenhouwers, J. I., Schrama, J. W., ter Veld, M. & Verreth, J. A. J., 2004, 11th International Symposium on Nutrition and Feeding in Fish (ISNFF)2004,Phuket,Thailand. p. 73

Research output: Chapter in Book/Report/Conference proceedingAbstract

Digesta viscosity and nutrient digestibility in European sea bass in a fresh water and marine environment

Leenhouwers, J. I., Santos, G. A., Schrama, J. W. & Verreth, J. A. J., 2004, Conference on 'Biotechnologies for quality', Barcelona, Spain, 20-23 October 2004. p. 475-476

Research output: Chapter in Book/Report/Conference proceedingConference paper

Digestibility, faeces recovery, and related carbon, nitrogen and phosphorus balances of five feed ingredients evaluated as fishmeal alternatives in Nile tilapia, Oreochromis niloticus L.

Schneider, O., Amirkolaie, A. K., Vera-Cartas, J., Eding, E. H., Schrama, J. W. & Verreth, J. A. J., 2004, In : Aquaculture Research. 35, 14, p. 1370-1379

Research output: Contribution to journalArticleAcademicpeer-review

47 Citations (Scopus)

Effect of Astralagus radix on proliferation and nitric oxide production of head kidney macrophages in Cyprinus carpio: an in vitro study

Guo-Jun, Y., Wiegertjes, G. F., Yue-Ming, L., Schrama, J. W., Verreth, J. A. J., Pao, X. & Hong-qi, Z., 2004, In : Journal of Fisheries of China. 28, 6, p. 628-632

Research output: Contribution to journalComment/Letter to the editorAcademic

Open Access

Effect of type of dietary fibre on faeces characteristics, digestibility and performance in tilapia

Amirkolaie, A. K., Schrama, J. W., Leenhouwers, J. I. & Verreth, J. A. J., 2004, 11th International Symposium on Nutrition and Feeding in Fish (ISNFF)2004,Phuket,Thailand. p. 218 (P105)

Research output: Chapter in Book/Report/Conference proceedingAbstract

Effects of carbohydrate addition on production in extensive shrimp culture systems

Hari, B., Kurup, B. M., Varghese, J. T., Schrama, J. W. & Verdegem, M. C. J., 2004, In : Aquaculture. 241, 1-4, p. 179-194

Research output: Contribution to journalArticleAcademicpeer-review

114 Citations (Scopus)

Effects of different dietary levels of guar gum on digesta viscosity and performance of African catfish

Leenhouwers, J. I., Schrama, J. W., Adjei-Boateng, D. & Verreth, J. A. J., 2004, 11th International Symposium on Nutrition and Feeding in Fish (ISNFF)2004,Phuket,Thailand. p. 208

Research output: Chapter in Book/Report/Conference proceedingAbstract

Effects of soybean meal on intestinal morphology of Atlantic salmon (Salmo salar L.)

Urán Carmona, P. A., Rombout, J. H. W. M., Koppe, W., Obach, A., Jensen, L., Schrama, J. W. & Verreth, J. A. J., 2004, Abstracts Aquaculture Europe, Barcelona. Barcelona, Vol. 34. p. 803-804 2 p.

Research output: Chapter in Book/Report/Conference proceedingAbstract

Individual coping characteristics, rearing conditions and behavioural flexibility in pigs

Bolhuis, J. E., Schouten, W. G. P., de Leeuw, J. A., Schrama, J. W. & Wiegant, V. M., 2004, In : Behavioural Brain Research. 152, p. 351-360

Research output: Contribution to journalArticleAcademicpeer-review

125 Citations (Scopus)

Individually assessed creep food consumption by suckled piglets: influence on post-weaning food intake characteristics and indicators of gut structure and hind-gut fermentation

Bruininx, E. M. A. M., Schellingerhout, A. B., Binnendijk, G. P., van der Peet-Schwering, C. M. C., Schrama, J. W., den Hartog, L. A., Everts, H. & Beynen, A. C., 2004, In : Animal Science. 78, 1, p. 67-75

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
33 Citations (Scopus)

Kunnen vissen vegetariër worden

Leenhouwers, J. I., Schrama, J. W. & Verreth, J. A. J., 2004, Utrecht: Technologiestichting STW.

Research output: Book/ReportReportProfessional

Screening of lactobacilli from fish intestines to select a probiotic for warm freshwater fish

Bucio Galindo, A., Hartemink, R., Schrama, J. W. & Rombouts, F. M., 2004, In : Bioscience and Microflora. 23, 1, p. 21-30

Research output: Contribution to journalArticleAcademicpeer-review

Open Access

The consistency of growth performance, feed efficiency and feeding behaviour in African catfish housed individually and in-group

de Matos Martins, C. I., Schrama, J. W. & Verreth, J. A. J., 2004, 11th International Symposium on Nutrition and Feeding in Fish (ISNFF) 2004, Phuket, Thailand, 2-7 May 2004. Phuket, Thailand, p. 88

Research output: Chapter in Book/Report/Conference proceedingAbstract

The importance of social interactions on growth performance and feed efficiency of African catfish

de Matos Martins, C. I., Schrama, J. W., Trenovszki, M. & Verreth, J. A. J., 2004, 11th International Symposium on Nutrition and Feeding in Fish (ISNFF) 2004, Phuket, Thailand, 2-7 May 2004. p. 226

Research output: Chapter in Book/Report/Conference proceedingAbstract

The relationship between growth performance and stress response in African catfish housed individually and in group

de Matos Martins, C. I., Schrama, J. W. & Verreth, J. A. J., 2004, Conference on 'Biotechnologies for quality', Barcelona, Spanje, 20-23 October 2004. Adams, S. & Olafsen, J. A. (eds.). Vol. 34. p. 536

Research output: Chapter in Book/Report/Conference proceedingAbstract

2005

Added carbohydrates aid production in extensive shrimp culture

Verdegem, M. C. J. & Schrama, J. W., 2005, In : Global Aquaculture Advocate. 8, 1, p. 88-89

Research output: Contribution to journalArticleProfessional

Behavioural development of pigs with different coping characteristics in barren and substrate-enriched housing conditions

Bolhuis, J. E., Schouten, W. G. P., Schrama, J. W. & Wiegant, V. M., 2005, In : Applied Animal Behaviour Science. 93, 3-4, p. 213-228 16 p.

Research output: Contribution to journalArticleAcademicpeer-review

108 Citations (Scopus)

Comparison of faecal collection method with high and low quality diets regarding digestibility and faeces characteristics measurements in Nile tilapia

Amirkolaie, A. K., El-Shafai, S. A. A. M., Eding, E. H., Schrama, J. W. & Verreth, J. A. J., 2005, In : Aquaculture Research. 36, 6, p. 578-585

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)

Comparison of methodologies for measuring the degree of soybean-induced enteritis in atlantic salmon (Salmo salar L.)

Urán Carmona, P. A., van Houcke, J., Rombout, J. H. W. M., Koppe, W., Fontanillas, R., Schrama, J. W. & Verreth, J. A. J., 2005.

Research output: Contribution to conferenceAbstract

Digesta viscosity, nutrient digestibility and fermentation activity in Nile tilapia fed cereal based diets that differ in soluble non-starch polysaccharide content

Leenhouwers, J. I., Ortega, C., Verreth, J. A. J. & Schrama, J. W., 2005, Extended Abstracts and Short Communications.European Aquaculture Society.Special Publication, Trontheim, 2005. p. 299

Research output: Chapter in Book/Report/Conference proceedingAbstract

Faecal physical properties influence water quality in a recirculation system

Amirkolaie, A. K., Schrama, J. W., Duijster, N. & Verreth, J. A. J., 2005.

Research output: Contribution to conferenceAbstract

Open Access

Individual coping characteristics, aggressiveness and fighting strategies in pigs

Bolhuis, J. E., Schouten, W. G. P., Schrama, J. W. & Wiegant, V. M., 2005, In : Animal Behaviour. 69, 5, p. 1085-1091 7 p.

Research output: Contribution to journalArticleAcademicpeer-review

88 Citations (Scopus)