Zoetis reported strong revenue growth and raised its guidance, though net income showed weakness.Key PointsAdjusted earnings per share topped analyst estimates.Net income fell 7% year over year to $624 million.Full-year guidance for revenue and adjusted net income was raised.Animal health specialist Zoetis (ZTS 6.70%) posted second-quarter earnings on Tuesday that topped analysts' consensus estimates on both top and bottom lines. While revenue was up 8% year over year net income fell by 7% to $624 million d ...