Effect of Probiotics in Diet on Growth Performance, Nutrient Digestibility, Fecal Microbial Count, Noxious Gases Emission from the Feces, and Blood Profile in Early-Finishing Pigs

Ji Hong Jung, Seong Min Hong, Hyo Jin Kim, Qing Wei Meng and In Ho Kim*Department of Animal Resource & Science, Dankook UniversityABSTRACTThis study was conducted to evaluate the effects of probiotics supplementation on growth performance, nutrient digestibility, fecal concentrations of Lactobacillus and Escherichia coli, emission of noxious gases from the feces, and circulating concentrations of the blood cells in early-finishing pigs. A total of sixty pigs[(Landrace×Yorkshire)×Duroc] (initial body weight 56.48±1.66kg) were used for the 28 days feeding trial. Dietary treatments included 1) CON(basal diet), 2) P1(CON+0.1% Agariemycetes) and 3) P2(CON+0.2% Agariemycetes). There were three dietary treatments with five replicate pens per treatment and four pigs per pen. There was no significant difference in ADG(average dairy gain) among the treatments(P>0.05). The gain/feed ratio was higher in P2 than CON(P<0.05). The P2 showed the highest digestibility of dry matter and energy(P<0.05). No significant difference was observed in the fecal Lactobacillus counts but fecal Escherichia coli population of P2 was lower than that of CON (P<0.05). The ammonia, H

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