<p class="abstrak2"><span lang="IN">This study aimed to determine the effect of fortification of duck eggshell</span><span lang="IN">nano-calcium and different types of packaging on the quality of chicken sausage. The </span><span>sausage was made</span><span lang="IN"> of duck eggshell</span><span lang="IN">nano-calcium, chicken fillet, sugar, garlic powder, salt, pepper, tapioca, ice, oil, soy protein isolate, sodium tripolyphosphate, monosodium glutamate, collagen casing, polyethylene, nylon, and retort pouch packaging. Treatment for fortification of </span><span>duck </span><span lang="IN">eggshell</span><span lang="IN">nano-calcium was P0 (0%) and P1 (0.3%) of the total dough. </span><span>V</span><span lang="IN">acuum packaging treatments </span><span>we</span><span lang="IN">re K1 (polyethylene), K2 (nylon), and K3 (retort pouch). All chicken sausages were vacuum-packed and stored at -18</span><span>°</span><span lang="IN">C for 0 and 14 days of observation. </span><span>P</span><span lang="IN">arameters tested were water content, pH value, peroxide </span><span>value, and total plate count</span><span lang="IN">. </span><span>D</span><span lang="IN">ata </span><span>collected </span><span lang="IN">were analyzed by analysis of variance in a completely randomized design with factorial patterns and if there was a significant difference (P<0.05) then further tested with Duncan's New Multiple Range Test. Sausage fortified with duck eggshell nano-calcium with vacuum retort pouch packaging was the best treatment with the lowest peroxide value</span><span> at day 14 shelf life. Sausage fortified with nano-calcium duck eggshell with vacuum retort pouch packaging at day 14 shelf life had moisture (51.59%), pH value (6.83), peroxide value (64.64 meq O<sub>2</sub>/kg), and total plate count (3.50 X 10<sup>3</sup> cfu/g).</span></p>