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 402881
Title Performance and energy metabolism in restrictively fed weanling pigs are not affected by feedinig either fermented cereals or their end-products
Author(s) Bruininx, E.M.A.M.; Binnendijk, G.P.; Zandstra, T.; Heetkamp, M.J.W.; Peet-Schwering, C.M.C. van der; Gerrits, W.J.J.
Source Journal of Animal Physiology and Animal Nutrition 94 (2010)6. - ISSN 0931-2439 - p. e355 - e365.
Department(s) Animal Nutrition
LR - Backoffice
Adaptation Physiology
Livestock Research
Publication type Refereed Article in a scientific journal
Publication year 2010
Keyword(s) epithelial-cell proliferation - growing pigs - physical-activity - organic-acids - polysaccharides - digestibility - diets - fiber
Abstract To study the effects of feeding fermented cereals or just fermentation end-products on performance and energy metabolism, 18 restrictedly fed groups of eight pigs each were assigned to one of three dietary treatments: (i) a liquid control diet (C) containing 40% of a mixture of barley and wheat; or (ii) a liquid diet (F) containing 40% fermented barley and wheat; or (iii) a liquid diet as C with the addition of some important fermentation end-products (FP; organic acids and ethanol) in concentrations similar to those in the fermented F-diet. Energy and nitrogen balances, heat production, and performance traits were measured during two consecutive periods (days 1–5 and days 6–14). There was a considerable increase in average dry matter intake that tended (p = 0.06) to be higher in the FP-group than in the other groups. Apparent fecal digestibility of dry matter, ash, nitrogen and energy during period 2 were not affected (p > 0.1). Averaged over both periods, none of the energy metabolism parameters were affected by the diets (p > 0.1). However, there were diet × period interactions for metabolizable energy-intake (p = 0.07), energy retention (p <0.05), the respiratory quotient (RQ; p <0.01) and activity-related heat production (HACT, p = 0.05). Additionally, there were some differences between the diets in the average hourly patterns in RQ and HACT. In conclusion, restricted feeding of either 40% fermented cereals nor their fermentation end-products affected performance and energy metabolism traits in weanling pigs. Nevertheless, lower postprandial activity-related heat production by pigs given the fermented cereals suggest a stimulating effect of fermented cereals on short term satiety that was not seen in pigs given fermentation end-products only
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