If you don't have one I suggest freezing the stock. (elanaspantry.com)
After you're all picnicked out, don't even think about tossing that container — they're great for freezing stock, mixing vinaigrettes, and, of course, making more Caprese salads. (bonappetit.com)
Rederivation of mice from frozen stock usually takes four to six months. (infrafrontier.eu)