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Of scars, teeth mark, all sorts of small flaws that can downgrade the pores and skin. And my occupation is to make sure the farm is shipping the best skins. ADRIENNEchanel väskaFRANCIS: Darwin's crocodile farm is the nation's largest. With 50thousand crocs behind wire, they're turning to science to help make their animal's skins larger and much better. DR SALLY ISBERG Croc Farming Researcher: This is basically producing the perfect purse. What we are doing is using a wild animal and we are domesticating it to produce a commercial product. ADRIENNE FRANCIS: Until now, farms have struggled to predict which parents will create baby crocodiles with the highest high quality skins. Breeding has basically been pot luck. But this crocodile farm is using DNA technologies to map the reptiles' genes. The aim is to identify good investments earlier, saving the croc farm time and cash. DR SALLY ISBERG: If we could produce a better pores and skin obviously we may be in a position to get a greater economical return from our purchasers. ADRIENNE FRANCIS: Scale rows had been the initial pores and skin trait the researchers tried to determine on the genetic map. They began by manually counting their scale rows. It is a slow and harmful process. Blood was also taken from two and half thousand crocodiles. The samples were then screened to discover the typical gene amongst the crocs they'd recognized as getting high scale row counts. DR SALLY ISBERG: What we wanna do is really look at the genetics ofmichael kors väskorthat particular animal and start choosing them on their genes instead than just by actually counting them on the animal. So it is a genuine world first. ADRIENNE FRANCIS: The outcomes of the scale row tests have allowed scientists at this Sydney hospital lab to begin mapping the rest of the crocodile's genome. They hope it will open the doorway to figuring out the genes which regulate a whole variety of crocodile qualities such as pores and skin thickness, growth rates and resistance to disease. LEE MILES Researcher, Sydney: I liken a genetic mapchanel onlineto a road map, and then we can use this road map to locate and dissect or identify particular genes which may underlay qualities of economic significance. ADRIENNE FRANCIS: Until lately, Pauline Dalzell's expertise was being used to diagnose and treat leukaemia and Down Syndrome patients. But she's now applying her abilities in this very different sphere. PAULINE DALZELL Human Cytogeneticist, Sydney: I do not feel that the function is frivolous. I liken it to when you are attempting to breed better cattle for milk production. ADRIENNE FRANCIS: The goal is that producers will be in a position to determine the best crocs for breeding, so that more than time the high quality of the farm's entire gene pool enhances. LEEmichael kors väskaMILES: This could direct to the manufacturing of better Gucci baggage, Prada bags, Louis Vuitton baggage, I do