Synthesis and Characterization of Selenium-sorbed Ca2+-exchanged Zeolite A for High-performance Feed

This study was carried out to develop high-performance feed using selenium-sorbed Ca 2+ -exchanged zeolite A. The contents of Se increased with increasing reaction temperature and the content of Ca 2+ ions in Ca 2+ -exchanged zeolite A. A synthesized high-performance feed (0.306 ppm) was applied to poultry farming for 4 and 7 weeks, respectively. Se contents in chicken meats and eggs were 18.8, 27.2, and 94.1 ppb and 73.7, 14.9, and 64.5 ppb for control (retail chicken meats), 4, and 7 weeks, respectively; Ca contents were 3.8, 9.9, and 11.9 ppm and 48.6, 48.3, and 53.6 ppm, respectively. In conclusion, Se and Ca contents in chicken meats increased as feeding periods increased, but significant differences were not observed in the eggs.