Biltong relatively mild concentration of coriander oil (1.6%). In the two strains that were not effectively killed, "Bacillus cereus" and "Enterococcus faecalis", the coriander oil reduced their growth significantly. The need for food preservation in the new colony was pressing. Building up herds of livestock took a long time, but with game in abundance in South Africa, traditional methods were called upon to preserve the meat of large African animals such as the eland in a warm climate. Iceboxes and refrigerators had not been invented yet. Biltong as it is today evolved from the dried meat carried by the wagon-travelling Voortrekkers,
Horse meat smoked and boiled, "karta" made from a section of the rectum which is smoked and boiled, and "sur-et" which is kept as dried meat. Salted horse meat sausages called "kazy" are produced as a regional delicacy by the Kazakhs. Generally, Mongols prefer beef and mutton (though during the extremely cold Mongolian winter, some people prefer horse meat due to its low cholesterol). It is kept unfrozen, and traditionally people think horse meat helps warm them up. Other Asian nations import processed horse meat from Mongolia. In the Philippines, horse meat ("lukba", "tapang kabayo", or "kabayo") is a delicacy commonly sold