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 18216
Title Evaluation of techniques to collect ileal digesta in pigs
Author(s) Koehler, T.
Source Agricultural University. Promotor(en): M.W.A. Verstegen, co-promotor(en): H.R. Mosenthin; L.A. den Hartog. - S.l. : Koehler - 135
Department(s) Animal Nutrition
Publication type Dissertation, internally prepared
Publication year 1992
Keyword(s) varkens - spijsvertering - laboratoria - experimenten - dissertaties - pigs - digestion - laboratories - experiments - theses
Categories Pigs

The results of some comparative experiments using different digesta collection techniques are presented. Physiological parameters such as growth performance, nitrogen and mineral balances and various blood variables were studied in pigs fitted with post-valve T-caecum (PVTC) cannulas and end-to-side ileo-rectal anastomosis (IRA). Digestibility measurements using different techniques (PVTC, IRA, simple T-cannula and re-entrant cannula) and different diets independently were carried out. Considerable effects of IRA on the physiological status of the animals were found. Digesta composition in IRApigs was in some aspects significant different from that in PVTC-pigs. This indicates an increased fermentative activity in IRA-pigs as well as some adaptative changes in mineral absorption as a result of the absence of hind-gut absorption. Differences in digestibility measurements between different cannulation techniques were small provided that the results were calculated on the basis of marker recoveries. The effect of a sugar/starch supplementation to the diet to compensate for the absence of the hind-gut functions in IRA-pigs was studied in PVTC-pigs. There was no effect on the apparent ileal digestibility of amino acids feeding a wheat based diet. The consequences of the different effects assosiated with the different techniques for digestibility measurements are discussed.

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