Chemical composition, secondary compounds, ruminal degradation and in vitro crude protein digestibility of gamma irradiated canola seed

This study was completed to evaluate effects of gamma irradiation (γ-irradiation) at doses of 15, 30 and 45 kGy on ruminal degradability, in vitro crude protein (CP) digestibility, chemical composition and secondary compounds of canola seed (CS). Three ruminally fistulated bulls were used to measure...

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Bibliographic Details
Published in:Animal feed science and technology 2009-05, Vol.151 (3), p.184-193
Main Authors: Ebrahimi, S.R., Nikkhah, A., Sadeghi, A.A., Raisali, G.
Format: Article
Language:English
Subjects:
Biological and medical sciences
canola
Canola seed
canola seeds
chemical compounds
crude protein
Degradation kinetics
dietary protein
digestibility
digestible protein
Feed and pet food industries
feed irradiation
feed processing
Food industries
Fundamental and applied biological sciences. Psychology
Gamma irradiation
gamma radiation
Glucosinolate
glucosinolates
in vitro digestion
irradiation
phytic acid
rumen fermentation
ruminal degradation
ruminant nutrition
SDS-PAGE
seeds
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Summary:This study was completed to evaluate effects of gamma irradiation (γ-irradiation) at doses of 15, 30 and 45 kGy on ruminal degradability, in vitro crude protein (CP) digestibility, chemical composition and secondary compounds of canola seed (CS). Three ruminally fistulated bulls were used to measure ruminal in situ dry matter (DM) and CP degradability. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) was used to monitor protein subfractions and the fate of true proteins of γ-irradiated CS in the rumen. γ-Irradiation had no effect on chemical composition of CS, but phytic acid was eliminated completely at a dose of 30 kGy. γ-Irradiation decreased the total glucosinolate contents of CS ( P
ISSN:0377-8401
1873-2216
DOI:10.1016/j.anifeedsci.2009.01.014