. , , farrant. has been genetically _ farrant. the yeast has been genetically modified. - farrant. the yeast has been genetically modified. turtle i farrant. the yeast has been - genetically modified. turtle tree has taken the genes from cow dna which is responsible for making lactoferrin and transplanted them into the dna of yeast cells. find the right strain of yeast and brew it in the right details, you have yeast precision.— it in the right details, you have yeast precision. cows milk has very little lactoferrin _ yeast precision. cows milk has very little lactoferrin in _ yeast precision. cows milk has very little lactoferrin in it _ yeast precision. cows milk has very little lactoferrin in it in _ yeast precision. cows milk has very little lactoferrin in it in terms - yeast precision. cows milk has very little lactoferrin in it in terms of. little lactoferrin in it in terms of concentration. you need something like 10,000 litres of cows milk to getjust one kilogram of lactoferrin. lactoferrin