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KMID : 1023520100330040375
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Korean Journal of Veterinary Service
2010 Volume.33 No. 4 p.375 ~ p.385
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Effects of dietary Alisma canaliculatum(Alismatis rhizoma), Viscum album (Mistletoe) and Cornus officinalis (Corni fructus) probiotics as feed additives on growth performance and immunity in growing pigs
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Kim Ki-Soo
Kim Gwi-Man
Ji Hoon
Park Sung-Wook
Yang Jeong-Seung
Yang Chul-Ju
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Abstract
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An investigation was conducted to evaluate the effects of supplementing Alisma canaliculatum, Viscum album and Cornus officinalis probiotics on the growth performance and immune response in growing pigs. This experiment was conducted using 120 pigs (crossing of Landrace×Yorkshire and castrated) which were assigned to 5 treatments in 3 replications with 8 pigs per replications. The dietary treatments were NC group (without antibiotics), PC group (basal+Oxytetracycline 50ppm), AC group (basal+A. canaliculatum 0.5%), VA group (basal+V. album 0.5%) and COP group (basal+C. officinalis probiotics 0.5%). The initial body weights of pigs were 35 kg on average and the experiment lasted for 9 weeks. The experimental animals were kept in the pens following a completely randomized design. They were provided the diets adequate for grower stage as recommended by NRC (ME:3,265 kcal/kg and CP:16%). COP fed pigs showed lower weight gain up to 6 weeks of age compared to NC group and other groups without significant differences (P¤0.05). The carcass weights of pigs fed VA and COP were significantly higher compared to NC group (P?0.05), Back fat thicknesses groups fed three different additives were higher than NC group and lower then PC group (P?0.05). Crude fat contents in loin meat were significantly lower in groups fed three different additives while moisture contents of those three groups were higher than other groups (P?0.05). The thiobarbituric acid reaction substance (TBARS) value measured at fresh and 2nd weeks was lower in additives fed groups but no statistical differences were observed among the treatments (P¤0.05). Significantly highest PUFA (16.42g/100g) and ω-3 fatty acids (ALA, EPA and DHA) content of meat were observed in COP fed pigs compared to NC group (P¤0.05), which might mean that three additives function to enhance serum IgG in pigs. In consequence, it can be suggested that AC, VA and COP may have a potential to replace antibiotics as growth promoter and immune enhancer in the diets for growing pigs.
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KEYWORD
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Pig, Alisma canaliculatum, Viscum album, Cornus officinalis, Probiotics, Immunity
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