Výsledky vyhledávání - "P. J. A. Wijtten"

Lactulose as a marker of intestinal barrier function in pigs after weaning1

Autor: T. A. T. G. van Kempen, H. B. Perdok, M.W.A. Verstegen, G. Gort, P. J. A. Wijtten, J. J. Verstijnen

Publikováno v: Journal of Animal Science. 89:1347-1357

Intestinal barrier function in pigs after weaning is almost exclusively determined in terminal experiments with Ussing chambers. Alternatively, the recovery in urine of orally administered lactulose can be used to assess intestinal permeability in li

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4ca10074c769d910c9814ecf4a8bb49
https://doi.org/10.2527/jas.2010-3571

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Effects of amino acids on egg number and egg mass of brown (heavy breed) and white (light breed) laying hens

Autor: J. K. W. M. Sparla, P. J. A. Wijtten, A. Lemme, R. P. R. T. Bonekamp

Publikováno v: Poultry Science. 89:522-529

Different types (light to heavy) of laying hens are used in practice. There are questions about the optimum level of balanced protein (BP) supply in feed for different types of hens. Therefore, a broad range of amino acids intake levels [550 to 800 m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15d57d5199ccc63a7fc8fe8ebb5257e6
https://doi.org/10.3382/ps.2009-00342

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Responses of male growing broilers to increasing levels of balanced protein offered as coarse mash or pellets of varying quality

Autor: J. van Wichen, A. Lemme, D. J. Langhout, P. J. A. Wijtten, A. Petri

Publikováno v: Poultry Science. 85:721-730

Two experiments with 14- to 35-d-old male broilers were performed to investigate the interactions between increasing levels of balanced protein (BP; 9.7, 10.7, 11.7, and 12.7 g of digestible Lys/kg of feed) and physical feed form. In Experiment 1 die

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47a87a21f062158e84bd7d6e904ab041
https://doi.org/10.1093/ps/85.4.721

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Lactulose as a marker of intestinal barrier function in pigs after weaning

Autor: P J A, Wijtten, J J, Verstijnen, T A T G, van Kempen, H B, Perdok, G, Gort, M W A, Verstegen

Publikováno v: Journal of animal science. 89(5)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::d24f8568fb0da51e6f41050b3a10ac48
https://pubmed.ncbi.nlm.nih.gov/21257783

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Effects of different dietary ideal protein levels on male and female broiler performance during different phases of life: single phase effects, carryover effects, and interactions between phases

Autor: P. J. A. Wijtten, D. J. Langhout, A A Lemme

Publikováno v: Poultry science. 83(12)

Several experiments in which the dietary ideal protein (IP) levels were increased indicate that with current IP recommendations the maximum performance of broilers will not be achieved. However, available data of this IP-increment approach is scarce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a44f4a4b45f75c5433de4856c15ac50e
https://pubmed.ncbi.nlm.nih.gov/15615014

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Effect of different dietary ideal protein concentrations on broiler performance

Autor: R Prak, A A Lemme, P J A Wijtten, D J Langhout

Publikováno v: British poultry science. 45(4)

1. The aim of the study was to examine the response of male broilers of different age categories to different dietary ideal protein (IP) concentrations and to compare the effects to IP recommendations based on single lysine (Lys) requirement studies

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e12ae0b1900a15f4963d6b67abfd4aed
https://pubmed.ncbi.nlm.nih.gov/15484725

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