A teat antiseptic having bactericidal activity against bacteria causing bovine mastitis. A post-milking teat dip and teat seal were prepared using polysaccharide gel with bactericidal, immuno-stimulating and wound healing activity isolated from durian fruit rind as active ingredient.Scanning electron micrographs of Streptococcus agalactiae after incubation
at 37°C for 8 hours; (A), Non-viable S. agalactiae in NSS with 2.5%PG; (B) S.
agalactiae in NSS without PG.