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Original Articles

Estimates of individual factors of the tryptophan requirement based on protein and tryptophan accretion responses to increasing tryptophan supply in broiler chickens 8 – 21 days of age

Pages 181-190 | Received 20 Dec 2004, Accepted 18 Mar 2005, Published online: 25 Jan 2007

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Read on this site (5)

M. Papp, V. Sommerfeld, M. Schollenberger, U. Avenhaus & M. Rodehutscord. (2022) Phytate degradation and phosphorus utilisation by broiler chickens fed diets containing wheat with increased phytase activity. British Poultry Science 63:3, pages 375-385.
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W. Siegert & M. Rodehutscord. (2019) The relevance of glycine and serine in poultry nutrition: a review. British Poultry Science 60:5, pages 579-588.
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Tobias Zuber, Thomas Miedaner, Pia Rosenfelder & Markus Rodehutscord. (2016) Amino acid digestibility of different rye genotypes in caecectomised laying hens. Archives of Animal Nutrition 70:6, pages 470-487.
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M. Rezvani, H. Kluth, M. Bulang & M. Rodehutscord. (2012) Variation in amino acid digestibility of rapeseed meal studied in caecectomised laying hens and relationship with chemical constituents. British Poultry Science 53:5, pages 665-674.
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M. Rezvani, H. Kluth, C. Elwert & M. Rodehutscord. (2008) Effect of ileum segment and protein sources on net disappearance of crude protein and amino acids in laying hens. British Poultry Science 49:1, pages 28-36.
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Articles from other publishers (20)

Ahmad Ibrahim, Ákos Kenéz, Markus Rodehutscord & Wolfgang Siegert. (2023) The influence of substituting dietary peptide-bound with free amino acids on nitrogen metabolism and acid–base balance of broiler chickens depends on asparagine and glutamine supply. British Journal of Nutrition, pages 1-13.
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Yang Fu, Bo Liu, Hui Lei, Zhenping Lin, JunPeng Chen, Yongwen Zhu, Hui Ye, Lin Yang & Wence Wang. (2023) Effects of Dietary Tryptophan on Growth Performance, Plasma Parameters, and Internal Organs of 1–28-Day-Old Sichuan White Geese. The Journal of Poultry Science 60:2, pages n/a.
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Ahmed Mohamed Fouad, HebatAllah Kasem El‐Senousey, Dong Ruan, Shuang Wang, Weiguang Xia & Chuntian Zheng. (2021) Tryptophan in poultry nutrition: Impacts and mechanisms of action. Journal of Animal Physiology and Animal Nutrition 105:6, pages 1146-1153.
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Bernardo Rocha Franco Nogueira, Nilva Kazue Sakomura, Matheus de Paula Reis, Bruno Balbino Leme, Marie-Pierre Létourneau-Montminy & Gabriel da Silva Viana. (2021) Modelling Broiler Requirements for Lysine and Arginine. Animals 11:10, pages 2914.
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R.M. Acácio, N.K. Sakomura, G.S. Viana, E.B. Malheiros, J.B.K. Fernandes & R.M. Suzuki. (2020) Optimum standardized ileal digestible tryptophan intake for broiler chickens. Livestock Science 240, pages 104105.
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Jochen Krieg, Wolfgang Siegert, Daniel Berghaus, Johannes Bock, Dieter Feuerstein & Markus Rodehutscord. (2020) Phytase supplementation effects on amino acid digestibility depend on the protein source in the diet but are not related to InsP6 degradation in broiler chickens. Poultry Science 99:6, pages 3251-3265.
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Philipp Hofmann, Wolfgang Siegert, Ákos Kenéz, Victor D Naranjo & Markus Rodehutscord. (2019) Very Low Crude Protein and Varying Glycine Concentrations in the Diet Affect Growth Performance, Characteristics of Nitrogen Excretion, and the Blood Metabolome of Broiler Chickens. The Journal of Nutrition 149:7, pages 1122-1132.
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Wolfgang Siegert, Christian Ganzer, Holger Kluth & Markus Rodehutscord. (2019) Effect of amino acid deficiency on precaecal amino acid digestibility in broiler chickens. Journal of Animal Physiology and Animal Nutrition 103:3, pages 723-737.
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D.O. Akinde. (2017) Comparative estimation of inevitable endogenous ileal flow of amino acids in Pekin ducks under varying dietary or physiological conditions and their significance to nutritional requirements for amino acids. Poultry Science 96:10, pages 3616-3625.
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C. Ganzer, W. Siegert, H. Kluth, J. Bennewitz & M. Rodehutscord. (2017) Prececal amino acid digestibility of soybean cake in fast- and slow-growing broiler chickens. Poultry Science 96:8, pages 2804-2810.
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T. Zuber & M. Rodehutscord. (2017) Variability in amino acid digestibility and metabolizable energy of corn studied in cecectomized laying hens. Poultry Science 96:6, pages 1696-1706.
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T. Zuber, H.P. Maurer, J. Möhring, N. Nautscher, W. Siegert, P. Rosenfelder & M. Rodehutscord. (2016) Variability in amino acid digestibility of triticale grain from diverse genotypes as studied in cecectomized laying hens. Poultry Science 95:12, pages 2861-2870.
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Bo Wang, Zhizhi Min & Jianmin Yuan. (2016) Apparent ileal digestible tryptophan requirements of 22- to 42-day-old broiler chicks. Journal of Applied Poultry Research 25:1, pages 54-61.
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Xiaohua Pan, Zongyou Wei, Hongrong Wang, Lihuai Yu & Xianghuan Liang. (2013) Effects of dietary tryptophan on protein metabolism and related gene expression in Yangzhou goslings under different feeding regimens. Poultry Science 92:12, pages 3196-3204.
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H.A. Kluess, J. Stafford, K.W. Evanson, A.J. Stone, J. Worley & R.F. Wideman. (2012) Intrapulmonary arteries respond to serotonin and adenosine triphosphate in broiler chickens susceptible to idiopathic pulmonary arterial hypertension. Poultry Science 91:6, pages 1432-1440.
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Z.Y. Wei, L. Wang, Y. Ji, L.H. Yu, X.H. Pan, M.Z. Wang & H.R. Wang. (2011) Effects of Dietary Tryptophan Supplementation and Feed Restriction on Growth Performance and Carcass Characteristics of Goslings. Journal of Animal and Veterinary Advances 10:16, pages 2079-2083.
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Aberra Melesse, Michael Bulang & Holger Kluth. (2009) Evaluating the nutritive values and in vitro degradability characteristics of leaves, seeds and seedpods from Moringa stenopetala . Journal of the Science of Food and Agriculture 89:2, pages 281-287.
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M. Rezvani, H. Kluth & M. Rodehutscord. (2008) Comparison of Amino Acid Digestibility Determined Prececally or Based on Total Excretion of Cecectomized Laying Hens. Poultry Science 87:11, pages 2311-2319.
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Anja Bettzieche, Corinna Brandsch, Kristin Weiße, Frank Hirche, Klaus Eder & Gabriele I. Stangl. (2008) Lupin protein influences the expression of hepatic genes involved in fatty acid synthesis and triacylglycerol hydrolysis of adult rats. British Journal of Nutrition 99:5, pages 952-962.
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A.A. Fatufe & M. Rodehutscord. (2005) Growth, body composition, and marginal efficiency of methionine utilization are affected by nonessential amino acid nitrogen supplementation in male broiler chicken. Poultry Science 84:10, pages 1584-1592.
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