Bresaola and spices, such as juniper berries, cinnamon and nutmeg. They are then left to cure for a few days. A drying period of between one and three months follows, depending on the weight of the particular bresaola. The meat loses up to 40% of its original weight during aging. In Valtellina, a similar process is applied to smaller pieces of meat. This produces a more strongly flavoured product, "slinzega", which is similar to South African "biltong". Traditionally, horse meat was used for "slinzega", but now other meats, such as venison and pork, are used, as well. As an antipasto, bresaola
Biltong months when the risk of bacterial growth and mould would be at a minimum. Some recipes require the meat to be marinated in a vinegar solution (grape vinegar is traditional but balsamic and cider also work very well) for a few hours, then the vinegar is poured off before the meat is flavoured with salt and spices. The spice mix is sprinkled liberally over the meat and rubbed in. Saltpetre is optional and can be added as an extra preservative (necessary only for wet biltong that is not going to be frozen). The meat should then be left for a