Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 314631
Title A procedure for ileostomisation of adult roosters to determine apparent ileal digestibility of protein and amino acids of diets: Comparison of six diets in roosters and growing pigs
Author(s) Leeuwen, P. van; Babinszky, L.; Verstegen, M.W.A.; Tossenberger, J.
Source Livestock Production Science 67 (2000)1-2. - ISSN 0301-6226 - p. 101 - 111.
Department(s) ID Lelystad, Institute for Animal Science and Health
Publication type Refereed Article in a scientific journal
Publication year 2000
Abstract A procedure for the ileostomisation of adult roosters has been described with the use of flexible silicon cannulas. Apparent ileal digestibility coefficients for dry matter (aDC DM), crude protein (aDC CP) and amino acids (aDC AA) in six diets, formulated with maize, wheat gluten, faba beans, lupins, soybean meal and casein as the main protein sources were determined in the ileostomised roosters fitted with silicon cannulas. In addition, aDC data determined using roosters (present study) were correlated with previously published aDC data of the same diets determined with pigs [van Leeuwen et al. (1996a). Apparent dry matter and crude protein digestibility of rations fed to pigs and determined with the use of chromic oxide (Cr203) and linsoluble ash as digestive markers. Br. J. Nutr. 76, 551-562; van Leeuwen et al. (1996b). Validation of a mathematical model to explain variation in apparent ileal amino acid digestibility of diets fed to pigs. J. Anim. Feed Sci. 5, 303-315]. The ileal aDC CP in roosters ranged from 0.81 to 0.92. Significant (P<0.05) differences in aDC CP and aDC AA were observed between diets. Between aDC in roosters and pigs linear relations were found. The linear models explained 85% of the variation in ileal aDC CP between the six diets determined in roosters and pigs. For ileal aDC AA, the explained part of the variation between roosters and pigs, ranged from 62 to 96%, depending on the particular amino acids, with the exception of aDC of Arg. The standard errors (S.E.) of the models for the prediction of the aDC AA in roosters from aDC AA of the pigs was <0.04 units.
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