george bonaci mixes it with other substances. exactly what they are remains his secret recipe. the liquid is later dried in a kiln and then turned into horn powder. that's what the biotech start-up wants to sell. china and vietnam could be the main markets for it, because rhino horn is still in high demand there. george: we are going to be looking at shark fins which are very popular in china, pangolin scales, which are also made of keratin, tiger bone, which is also used in traditional chinese medicine, ivory, which obviously has a lot of history in the west for use in durable good products. anything where an animal is used in tradition, we want to be able to remove that animal from the goods chain. reporter: so, there are several ideas on how to curb rhinoceros poaching. for many animals in kruger national park, they've come too late. almost every day, frik rossouw and his team have to go out to secure crime scenes like this one. in this case, it's especially distressing. the rhino, a female, was pregnant. narrator: hunting and being hunted -- for wild animals life is always