Effects of Aspergillus niger-Derived Multi-Enzyme Complex on Performance, Milk Yield, Blood Metabolites, and Manure Output in Multiparous Lactating Sows

사료내 Aspergillus niger 유래 복합효소의 첨가가 포유모돈의 생산성, 유생산, 혈액성상 및 분배설량에 미치는 영향

  • Lee, Sung-Hoon (Livestock Experiment Station, Gyeongsangnamdo Livestock Promotion Research Institute) ;
  • Ha, Young-Joo (Livestock Experiment Station, Gyeongsangnamdo Livestock Promotion Research Institute) ;
  • Kwack, Suk-Chun (Livestock Experiment Station, Gyeongsangnamdo Livestock Promotion Research Institute)
  • 이성훈 (경상남도 축산진흥연구소 축산시험장) ;
  • 하영주 (경상남도 축산진흥연구소 축산시험장) ;
  • 곽석준 (경상남도 축산진흥연구소 축산시험장)
  • Received : 2010.04.14
  • Accepted : 2010.08.04
  • Published : 2010.08.31


This study was conducted to investigate the effects of Aspergillus niger-derived multi-enzyme complex supplementation to feedrestricted lactating sows on performances, milk yield, blood profiles, and manure excretion as compared with ad libitum-fed sows without supplementation of enzyme. Fifty multiparous lactating Berkshire sows were allotted to 5 treatments of 10 sows per treatment during a 28-d lactation period and litter per sow was standardized to 9 suckling piglets. Treatments were ad libitum-fed sows without enzyme and feed-restricted sows supplemented with four increasing levels (0, 0.02, 0.04 and 0.08%) of multi-enzyme complex derived from Aspergillus niger. Blood samples from all sows were collected to determine serum metabolite concentrations before the morning feeding on d 27 of lactation. Litter body weight and a piglet weight at weaning, and litter weight gain significantly (P<0.05) increased with increasing levels of multi-enzyme complex, but there was no significant difference between ad libitum-fed sows without enzyme and feed-restricted sows supplemented with multi-enzyme complex. Body condition score and backfat depth at weaning significantly (P<0.05) increased as multi-enzyme complex level increased. Lactational backfat depth tended (P>0.05) to less decrease with increasing levels of enzyme complex. Serum inorganic phosphorus and non-esterified fatty acid concentrations significantly (P<0.05) increased with increasing levels of enzyme complex. Daily milk yield was not significantly different across treatments, but milk fat yield significantly (P<0.05) increased as multi-enzyme complex level increased. Manure output was significantly (P<0.01) higher for ad libitum-fed sows than for feed-restricted sows, but there was no significant difference among feed-restricted sows supplemented with increasing levels of multi-enzyme complex. Fecal phosphorus amount significantly (P<0.05) decreased with increasing levels of multi-enzyme complex. Feed costs of sows per litter weight gain were reduced by 1.25% to 9.67% with increasing levels of multi-enzyme complex as compared with ad libitum-fed sows without enzyme. The results indicated that multi-enzyme supplementation to feed-restricted lactating sows not only increased litter performances, but also was comparable to ad libitum-fed sows, resulting in reduced feed costs. Moreover, the reduction of fecal phosphorus amount with increasing levels of enzyme complex would contribute to the reduction of environmental pollution.


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