Feb 27 (Reuters) - New Zealand's a2 Milk Co Ltd ATM.NZ reported a 21% rise in half-year profit on Thursday as a ramp up in marketing efforts boosted sales in the United States and China.
The dairy producer posted a net profit of NZ$184.9 million ($116.73 million) for the six months ended Dec. 31 compared with NZ$152.7 million a year earlier. ($1 = 1.5840 New Zealand dollars)