This research was conducted from February 05^ to March 1801, 2007 at Balai Pembibitan Ternak Unggul Sapi Dwiguna dan Ayam Sembawa, Sumatera Selatan. with itA completely Randomized design was used in this research. treatments P0 (0% lactid acid bacteria), P1 (0,4% lactid acid bacteria), P2 (0,5% lactid acid bacteria), P3 (0,6% lactid acid bacteria). Each treatments was replicated five times. The…
Background. Vitamin D plays a vital role in calcium and phosphate metabolism, as well as immune and neuromuscular function. Deficiency remains a global health concern, including among healthcare professionals. Anesthesiology residents are particularly vulnerable due to prolonged indoor work and limited sunlight exposure. Vitamin D supplementation is one strategy to prevent deficiency. Therefore…