Výsledky vyhledávání - "Johan Schrama"

Akademický článek

Green and red macroalgae extracts show antibacterial effects and induce innate immune responses in Nile tilapia and rainbow trout in vitro

Autor: Jules Petit, Erik van den Brink, Pi Nyvall Collén, Olga L.M. Haenen, Johan Schrama, Geert F. Wiegertjes

Publikováno v: Comparative Immunology Reports, Vol 6, Iss , Pp 200128- (2024)

Green macroalgae (Ulva sp.) and red macroalgae (Solieria sp.) were processed to produce eight different crude extracts enriched for marine sulphated polysaccharides (MSP). While all extracts showed direct anti-bacterial effects to some degree, two re

Externí odkaz: https://doaj.org/article/70582eda5a764cf492adc025da061b1c

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Akademický článek

Harvesting the benefits of nutritional research to address global challenges in the 21st century

Autor: Brett Glencross, Débora Machado Fracalossi, Katheline Hua, Marisol Izquierdo, Kangsen Mai, Margareth Øverland, David Robb, Rodrigo Roubach, Johan Schrama, Brian Small, Albert Tacon, Luisa M. P. Valente, Maria‐Teresa Viana, Shouqi Xie, Amararatne Yakupityage

Publikováno v: Journal of the World Aquaculture Society, Vol 54, Iss 2, Pp 343-363 (2023)

Abstract Over the past 20 years, substantial progress has been made in improving feeds and feeding technologies for most aquaculture species. Notable improvements in feed conversion efficiency (through a better understanding of requirements and impro

Externí odkaz: https://doaj.org/article/0f58211b18bb4b49bc8992c5b53170af

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Akademický článek

Metabolic growth, plankton selectivity, haemato-biochemical and intestinal morphometry of Nile tilapia (Oreochromis niloticus) fed a lysine-deficient diet in earthen ponds

Autor: Hala Saber Khalil, Taofik Momoh, Diaa Al-Kenawy, Rodrigue Yossa, Alaa M. BadrEldin, Arjen Roem, Johan Schrama, Marc Verdegem

Publikováno v: Aquaculture Reports, Vol 24, Iss , Pp 101122- (2022)

Sustainable aquaculture requires the efficient use of natural pond resources as well as supplements to meet the dietary requirements of fish species. However, aquaculture diets are often produced without considering the lysine content of the natural

Externí odkaz: https://doaj.org/article/1a727dcfe40346c2a6cfc924bf0f01c3

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Akademický článek

Time- and Dose-Dependent Effects of Dietary Deoxynivalenol (DON) in Rainbow Trout (Oncorhynchus mykiss) at Organism and Tissue Level

Autor: Paraskevi Koletsi, Geert F. Wiegertjes, Elisabeth A. M. Graat, Philip Lyons, Johan Schrama

Publikováno v: Toxins, Vol 14, Iss 11, p 810 (2022)

This study with juvenile rainbow trout evaluated the effects of dietary exposure to deoxynivalenol (DON) at industrially relevant doses (up to 1.6 mg/kg) on growth performance, the liver, and the gastrointestinal tract. Fifteen groups of 30 fish each

Externí odkaz: https://doaj.org/article/06371633f4e8476da8bd3ec455a4dfa8

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Backtest type and housing condition of pigs influence energy metabolism

Autor: Geverink, N. A., Heetkamp, M. J. W., Schouten, W. G. P., Wiegant, V. M., Johan Schrama

Publikováno v: Journal of Animal Science, 82(4), 1227-1233
Scopus-Elsevier
Journal of Animal Science 82 (2004) 4

The behavioral response of piglets in a backtest early in life seems indicative of their coping strategy at a later age. Coping characteristics may depend on the interaction between backtest classification and housing conditions. We studied whether g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c25e717ce297b05e0eec7d0ca5f2004e
https://research.wur.nl/en/publications/backtest-type-and-housing-condition-of-pigs-influence-energy-meta

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

Autor: Rijnen, M. M. J. A., Verstegen, M. W. A., Heetkamp, M. J. W., Johan Schrama

Publikováno v: Journal of Animal Science 81 (2003) 5
Scopus-Elsevier
Journal of Animal Science, 81(5), 1210-1219

The effects of two sources of dietary fiber (DF) on behavior and heat production (HP) in group-housed growing pigs were studied. Twenty clusters of 14 barrows (50 kg) were fed one of 10 diets. Diets differed mainly in type,and content of fermentable

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::705e8fac454b5fa46261ab608cff0fc5
https://research.wur.nl/en/publications/effects-of-two-different-dietary-fermentable-carbohydrates-on-act

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

Autor: Rijnen, M. M. J. A., Verstegen, M. W. A., Heetkamp, M. J. W., Haaksma, J., Johan Schrama

Publikováno v: Journal of Animal Science 81 (2003) 1
Scopus-Elsevier
Journal of Animal Science, 81(1), 182-190

The effects of dietary nonstarch polysaccharides (NSP) on behavior and heat production in group-housed sows were studied. Twelve groups of six nonpregnant sows were fed one of four experimental diets that were similar in composition except for starch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a26a9638a43d71573ca8082fe2a0bbb2
https://research.wur.nl/en/publications/effects-of-dietary-fermentable-carbohydrates-on-behavior-and-heat

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Dietary betaine supplementation affects energy metabolism of pigs

Autor: Johan Schrama, Heetkamp, M. J. W., Simmins, P. H., Gerrits, W. J. J.

Publikováno v: Journal of Animal Science, 81(5), 1202-1209
Scopus-Elsevier
Journal of Animal Science 81 (2003) 5

The effect of dietary betaine supplementation on energy partitioning in growing pigs under energy-restricted dietary conditions was assessed. The effect of betaine on the adaptation in energy. metabolism of pigs over time after a change in diet and h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d158ae05cb77663903d7646380dd6392
https://research.wur.nl/en/publications/dietary-betaine-supplementation-affects-energy-metabolism-of-pigs

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Changes in oxygen content and acid-base balance in arterial and portal blood in response to the dietary electrolyte balance in pigs during a 9-h period after a meal

Autor: Dersjant-Li, Y., Verstegen, M. W. A., Jansman, A., Schulze, H., Johan Schrama, Verreth, J. A.

Publikováno v: Journal of Animal Science, 80, 1233-1239
Scopus-Elsevier
Journal of Animal Science 80 (2002) 5
Journal of Animal Science, 80(5), 1233-1239

The effect of two dietary electrolyte balance (dEB, Na K - Cl-) levels on arterial and portal blood oxygen content, blood pH, and acid-base status in pigs was studied during a 9-h period after a meal, using a crossover experimental design. The dEB le

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ede9915d4d007f148c292b7464118953
http://resolver.tudelft.nl/uuid:a9336610-5356-45bc-bbf2-ec32fe405c39

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