TITLE

GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY AND PROTEIN UTILIZATION IN GROWING PIGS FED NAKED OAT WITH β-GLUCANASE SUPPLEMENTATION AS A SUBSTITUTE FOR WHEAT

AUTHOR(S)
Flis, Marianna; Maślanek, Anna; Antoszkiewicz, Zofia
PUB. DATE
September 2005
SOURCE
Veterinarija ir Zootechnika;2005, Vol. 31 Issue 53, p49
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A 30-day growth experiment was performed on 44 growing pigs (initial BW 19.3 kg) to determine the effects of diets with a different level of naked oat, and β-glucanase supplementation of a diet with a high oat content, on growth performance. The pigs were fed individually the following diets: a control barley-wheat diet (group BW), a diet containing 23.5% naked oat (BOW), a diet containing 47% naked oat (OB), and a diet containing 47% oat supplemented with 1000 CU/kg β-glucanase (OBG). Nitrogen balance and nutrients digestibility of diets containing 97% wheat or naked oat, with or without 1000 CU/kg β-glucanase, were determined on 20 barrows (initial BW 40.9 kg). Diet BOW containing 23.5% naked oat as a substitute for wheat had no effect on daily gains and feed efficiency, whereas diet OB with 47% oat improved daily gains from 668 to 713 g (P<0.05) and feed efficiency from 2.31 to 2.17 kg/kg (P<0.05), compared with the control barley-wheat diet. Nutrients digestibility was significantly higher (P<0.01) in the case of oat than wheat, except crude protein digestibility, where this difference was non-significant. Naked oat contained more digestible energy than wheat, i.e. 16.14 vs. 14.36 MJ/kg (P<0.01). It has also a higher biological value, compared with wheat (62.4% vs. 54.8%). In the growth experiment β-glucanase supplementation of a diet containing 47% naked oat had no effect on daily gains and feed efficiency, and in the balance experiment it allowed to increase oat gross energy digestibility (P<0.05).
ACCESSION #
18619087

 

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