Effects of Yeast Culture Supplementation to Gestation and Lactation Diets on Growth of Nursing Piglets

  • Kim, Sung Woo (North Carolina State University) ;
  • Brandherm, Mike (Hitch Pork Producers Inc.) ;
  • Freeland, Mike (Hitch Pork Producers Inc.) ;
  • Newton, Betsy (Akey) ;
  • Cook, Doug (Akey) ;
  • Yoon, Ilkyu (Diamond V Mills, Cedar Rapids)
  • Received : 2007.08.02
  • Accepted : 2007.12.02
  • Published : 2008.07.01


A total of 335 sows at a commercial operation (Hitch Pork Producers Inc, Guymon, OK) was used to determine dietary effects of yeast culture supplementation ($XPC^{TM}$, Diamond V Mills) on litter performance. Sows were grouped by parity (parity 1 to 12). Pigs within a group were then allotted to treatments. Treatments consisted of: CON (no added yeast culture) and YC (12 and 15 g/d XPC during gestation and lactation, respectively). Sows were housed individually and fed their assigned gestation and lactation diets from d 35 of gestation to d 21 of lactation. Sows were fed 2.0 kg/d during gestation and ad libitum during lactation. Voluntary feed intake was measured daily during lactation. At farrowing, numbers of pigs born total and alive were measured. Weights of litters were measured at birth and weaning on d 21 of lactation. Litter weight gain of the YC treatment was 6.9% greater (p<0.01) than that of the CON. However, voluntary feed intake of sows and litter size did not differ between treatments. This study indicates that dietary yeast culture supplementation benefits sow productivity by improving litter weight gain. At present, it is not confirmed if improved litter weight gain was due to milk production, which remains to be investigated.


Yeast Culture;Sow;Litter Weight Gain


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