Utilization of dietary urea nitrogen is stimulated by D-mannitol feeding in rabbits

Alus Michael Xiaoli, Xiao Min, Jin Xiao, Kiyonori Kawasaki, Naoko Ohta, Ei Sakaguchi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The effect of D-mannitol as an indigestible sugar on apparent digestibility of nutrients, nitrogen (N) utilization and growth performance, have been investigated in growing rabbits fed a urea-containing diet. In experiment 1, 40-day-old male rabbits were fed a commercial diet with urea 10g/kg with added glucose or D-mannitol 60g/kg each. Thereafter, in experiment 2 the rabbits aged 55days were fed a commercial diet with or without urea 10g/kg. Feed restriction at 55g/kg0.75/day was carried out in both experiments. Addition of D-mannitol to the urea-containing diet decreased urinary N excretion, which consequently increased N retention and ratios of retained N to consumed N or apparently absorbed N. Addition of urea alone to the diet increased daily N intake and urinary N excretion but did not affect N retention. Weight gain and feed efficiency were improved by D-mannitol feeding, whereas feeding with urea alone did not affect these parameters. Utilization of dietary urea was enhanced in growing rabbits fed the urea-containing diet with D-mannitol, resulting in improvement of N retention and growth performance.

Original languageEnglish (US)
Pages (from-to)605-609
Number of pages5
JournalAnimal Science Journal
Volume83
Issue number8
DOIs
StatePublished - Aug 2012
Externally publishedYes

Fingerprint

Mannitol
urea nitrogen
mannitol
Urea
Nitrogen
urea
rabbits
Rabbits
Diet
diet
growth performance
excretion
restricted feeding
Growth
Weight Gain
feed conversion
digestibility
weight gain
sugars
Glucose

Keywords

  • D-mannitol
  • Dietary urea
  • Indigestible sugar
  • Nitrogen utilization
  • Rabbits

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Utilization of dietary urea nitrogen is stimulated by D-mannitol feeding in rabbits. / Xiaoli, Alus Michael; Min, Xiao; Xiao, Jin; Kawasaki, Kiyonori; Ohta, Naoko; Sakaguchi, Ei.

In: Animal Science Journal, Vol. 83, No. 8, 08.2012, p. 605-609.

Research output: Contribution to journalArticle

Xiaoli, Alus Michael ; Min, Xiao ; Xiao, Jin ; Kawasaki, Kiyonori ; Ohta, Naoko ; Sakaguchi, Ei. / Utilization of dietary urea nitrogen is stimulated by D-mannitol feeding in rabbits. In: Animal Science Journal. 2012 ; Vol. 83, No. 8. pp. 605-609.
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