A New Zealand company has contracted with a nebraska firm to conduct dna analysis on dairy cattle to determine which type of beta-casein gene they possess. Beta-casein A1 is found at varying levels in nearly all milk currently on the market. However, since some researchers have connected this protein with certain health risks, interest is high in finding cows that produce A2 milk, which is nearly free of the A1 form of beta-casein.
Once identified as carrying the favorable beta-casein genotype, milk from A2 cows could be diverted to supply a new, emerging consumer milk market.
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