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Effects of magnesium supplementation during preslaughter period in finisher`s diet on pork quality
DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | 김유용 | - |
dc.contributor.author | 임종선 | - |
dc.date.accessioned | 2010-06-07T06:44:45Z | - |
dc.date.available | 2010-06-07T06:44:45Z | - |
dc.date.copyright | 2004. | - |
dc.date.issued | 2004 | - |
dc.identifier.uri | http://dcollection.snu.ac.kr:80/jsp/common/DcLoOrgPer.jsp?sItemId=000000055459 | eng |
dc.identifier.uri | https://hdl.handle.net/10371/67586 | - |
dc.description | Thesis (master`s)--서울대학교 대학원 :농생명공학부,2004. | en |
dc.description.abstract | This experiment was conducted to evaluate the beneficial effects of various sources of magnesium
on pork quality in finishing pigs. Treatments contained 1) Control (basal diet), 2) Magnesium sulphate supplementation (basal diet + MgSO4 0.12%), 3) Magnesium chloride supplementation (basal diet + MgCl2 0.12%), 4) Magnesium oxide supplementation (basal diet + MgO 0.12%) and 5) Magnesium gluconate supplementation (basal diet + Mg-glu 0.12%), respectively. The experimental diet and water fed ad libitum 5 days pre-slaughter period. There was no significant difference in growth performance. A treatment fed MgSO4 showed higher muscle glycogen concentration than other treatments (p<0.01). No significant difference in muscle pH was observed, however, hunter L value (40 min of post-mortem) of control group was lower than that of MgO or Mg-glu treatments significantly (p<0.05). And Hunter L* value (24 hr, post-mortem) in control group and MgSO4 treatments were lower than that of MgO and Mg-glu treatment significantly (p<0.05). Hunter a* value of Mg-glu addition at 18 hr post-mortem were higher than control, MgSO4 and MgCl2 treatments (p<0.05). Hunter b* value at 18 hr of postmortem in control and MgSO4 treatment was lower than MgO and Mg-glu treatments (p<0.05). And b* value at 24 hr post-mortem of control group and MgSO4 treatment were lower than MgO, MgCl2 and Mg-glu treatments significantly (p<0.05). Although there were no differences among treatments on blood cortisol, it seemed that MgSO4 incorporation was effective on reducing stress response during rearing stage. No significant differences were found among treatments on TBARS value. However, the value was the lowest in Mg-glu treatment (7 day, post-mortem). The value of TBARS in pork were generally increased by storage time but it was maintained low level when pigs were fed Mg regardless of sources. | en |
dc.format.extent | vii, 125 leaves | en |
dc.language.iso | en | en |
dc.publisher | 서울대학교 대학원 | en |
dc.subject | 비육돈 | en |
dc.subject | Finishing pigs | en |
dc.subject | 황화마그네슘 | en |
dc.subject | Mgso4 | en |
dc.subject | 염화마그네슘 | en |
dc.subject | Mgcl2 | en |
dc.subject | 산화마그네슘 | en |
dc.subject | Mgo | en |
dc.subject | 마그네슘 글루코네이트 | en |
dc.subject | Mg-gluconate | en |
dc.subject | 근육 글리코겐 | en |
dc.subject | Muscle glycogen | en |
dc.subject | 헌터측정치 | en |
dc.subject | Hunter value | en |
dc.subject | 근육 pH | en |
dc.subject | Muscle ph | en |
dc.subject | 지방산패도 | en |
dc.subject | Tbars value | en |
dc.subject | 혈액 코르티졸 | en |
dc.subject | Blood cortisol | en |
dc.title | Effects of magnesium supplementation during preslaughter period in finisher`s diet on pork quality | en |
dc.type | Thesis | - |
dc.contributor.department | 농생명공학부 | - |
dc.description.degree | Master | en |
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