New Zealand vs N. American Colostrum
Time of Harvest
New Zealand harvests from 2 milkings over a 24 hour period, a trend also becoming prevalent in the US to produce more colostrum cheaper, excepting of course Synertek, who is committed to 1st milking, 1st six hour colostrum. With cows colostrum production ceases at the time of calving. There is only one udderful of colostrum. The second milking is mostly milk, plus a dab of colostrum that did not get extracted with the first milking. Second milking colostrum is scientifically known as transistional milk. The mother cow begins to reabsorb the components of colostrum immediately after calving. Hour by hour both the concentrations and the proportions of the components change and synergism is lost. As shown in tables on our website from The Fundamentals of Dairy Chemistry, a college textbook, the change becomes increasingly dramatic beginning about the sixth hour.
Denaturing the Colostrum
New Zealand removes the fat, presumably because of the backwoods harvesting conditions and the inability to process quickly enough to keep it from becoming rancid. The fat contains some of the active components. New Zealand adds lipid and claims by removing the fat and replacing it with lipid it has improved the colostrum, which begs the question, are New Zealand colostrum producers smarter than God, Nature, and 150 million years of evolution?
Exposure to Pathogens
New Zealand cows have less exposure to people. The cows need to be exposed to people and the germs they carry in order for colostrum to fully develop its immune enhancing properties. Colostrum has to be educated. There are a lot of conflicting claims about colostrum and all brands will claim to be the best, however if you read the science on Synertek's website, you will be better able to separate fact from fiction in the colostrum industry.
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