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 as that used in cardboard or wooden biltong boxes (urban) or climate-controlled dry rooms (commercial), cannot be used without the addition of nitrates or nitrites (curing salts). Depending on the spices used, a variety of flavours may be produced. Biltong can also be made in colder climates by using an electric lamp to dry the meat, but care must be taken to ventilate, as mould can begin to form on the meat. A traditional slow dry will deliver a medium cure in about four days. An electric fan-assisted oven set to 40–70 °C (100–160 °F), with the door open a