Form S-I Table of Contrail 9 percentage points of the increase in net sales and favorable product mix contributed 2 percentage points, partially offset by a 1 percentage point impact from net pricing. In preparation for the systems cutover from our previous ERP system to SAP, we stopped shipping to customers in December 2013 for a partial week. These sales were =ovend in the first quarter of 2014 when we resumed shipping to customers. As a result, we estimate that $13.1 million of sales were shifted from the fourth quarter of 2013 to the first quarter of 2014. Excluding this shift in shipments, our net sales growth for the three months ended March 31, 2015 would have been 6.8 percentage points higher, or 16.8%. Net sales of Dry Foods increased $17.0 million, or 9.1%. to $204.2 million for the three months ended March 31, 2015, compared to $187.2 million for the three months ended March 31, 2014. Volume growth accounted for 9 percentage points of the increase in net sales of Dry Foods and favorable product mix contributed 1 percentage point, partially offset by a 1 percentage point impact from net pricing. The introduction of new products under each of our major product lines drove our growth in net sales of Dry Foods. The decrease in net pricing was primarily driven by higher levels of promotional activity. Net sales of Wet Foods, Treats and Other Products increased $5.5 million, or 14.0%. to $44.6 million for the three months ended March 31. 2015. compared to $39.1 million for the three months ended March 31, 2014. Volume growth accounted for 8 percentage points of the increase in net sales of our Wet Foods, Treats and Other Products and favorable product mix contributed 7 percentage points, partially offset by a 1 percentage point impact from net pricing. The introduction of new wet foods across each of our major product lines was the primary' driver of the growth of our net sales of Wet Foods, Treats and Other Products. The decrease in net pricing