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Title: The impact of starch, protein and fat digestive dynamics on growth performance in broiler chickens from 7-28 days
Contributor(s): Liu, S (author); Chrystal, P (author); Moss, A  (author)orcid ; Selle, P (author)
Publication Date: 2019
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Abstract: Amino acids and glucose should be available in appropriately balanced quantities at the sites of protein synthesis for efficient protein deposition and growth performance; previous studies have suggested that feed conversion efficiency may be enhanced by rapidly digestible protein or to a lesser extent, slowly digestible starch. A 3-factor- 3-level Box-Behnken response surface study was conducted to determine the influence of rapidly digestible starch (wheat, 0, 300, 600 g/kg), rapidly digestible protein (whey protein, 0, 50, 100 g/kg) and tallow (0, 25, 50 g/kg) inclusions on growth performance from 7-28 days post-hatch in male Ross 308 broiler chickens offered sorghumsoybean meal based diets. All diets were formulated to be iso-energetic and contain the same digestible lysine and essential amino acids. Each of the 13 diets was offered to 30 birds in 5 replicated cages (6 birds per cage). High tallow and wheat inclusions led to increased relative fat pad weight. There were quadratic relationships between weight gain and wheat, whey protein and tallow inclusions which suggested a balance between the extent and rate of starch, protein and fat digestion is important.
Publication Type: Conference Publication
Conference Details: ESPN 2019: 22nd European Symposium on Poultry Nutrition, Gdansk, Poland, 10th - 13th June, 2019
Source of Publication: 109th Annual Meeting of the 22nd European Symposium on Poultry Nutrition, p. 163-163
Publisher: World's Poultry Science Association (WPSA)
Place of Publication: Beekbergen, Netherlands
Fields of Research (FoR) 2008: 070204 Animal Nutrition
Fields of Research (FoR) 2020: 300303 Animal nutrition
Socio-Economic Objective (SEO) 2008: 830503 Live Animals
Socio-Economic Objective (SEO) 2020: 100699 Primary products from animals not elsewhere classified
Peer Reviewed: Yes
HERDC Category Description: E3 Extract of Scholarly Conference Publication
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Appears in Collections:Conference Publication
School of Environmental and Rural Science

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