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The Environment-Friendly High Quality Pork Production by feeding the Fermentation Products of Natural Clay Mineral  

Cho, Jin Kook (Gyunggido Regional Research Center (GRRC), Hankyong National University)
Yang, Seung Hak (Animal Environment Division, Naitonal Institute of Animal Science, R.D.A.)
Hwang, Seong Gu (Faculty of Agriculture & Life Science, Hankyong National University)
Publication Information
Journal of Animal Environmental Science / v.18, no.sup, 2012 , pp. 55-64 More about this Journal
Abstract
We investigated the effect of the clay mineral fortified with complex trace elements by specific fermentation microbes on growth performance and a quality of pork in this study. For the declared experimental animal, 80 heads of crossbred with Large White and Yorkshire were randomly splitted into a control group and a test group. Each group were assigned with 4 replicates and 10 heads of each replicate. When 0.3% of the fermentation product of the clay mineral (FCM) was added into feed stuff and fed for 9 weeks of experimental feeding period, the results of the feed intake, weight gains, pH of carcass, lightness of meat color, and brightness of the muscle semimembranosus were similar to those of the control group. However, dressing percentage, reddishness of carcass, and water holding capacity were improved, respectively, as much as 2.7%, 12%, and 10%, and reduced by 6% in cooking loss. In order to investigate the immune modulatory effect of fermented clay mineral, pheripheral blood mononuclear cells (PBMC) were isolated and Immune modulatory parameters were measured. The proliferation activity of PBMC from pigs fed the fermented clay mineral were significantly increased compared to control group pigs, and also those results were more clearly observed as activated with lipopolysaccharide and concanavaline A. The secretion of TNF-${\alpha}$ of the FCM group pigs showed an increasing tendency. Therefore it was suggested that the feeding of FCM which was high in cation metathesis and the value of infrared ray, activated the immune responses, and thus the production of the environment-friendly high quality pork without the use of antibiotics would be possible.
Keywords
Fermented clay mineral; Environment-friendly pork; Immune modulation; Pork quality;
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