Animal vaccine maker Hester Biosciences' net profit fell 2.8 per cent to Rs 8.39 crore in June quarter on a 12.4 per cent rise in the net sales. Speaking to BTVI, the firm's CEO & MD Rajiv Gandhi, said the change of tax treatment has led to reduction in profits. He said the poultry healthcare division was hit by steep rise of maize prices, and the growth was below expectation. He expects government intervention to improve the poultry business. Here's more.