It was a classic beat-and-raise quarter for Zoetis.Shares of Zoetis (ZTS 5.98%), the leading animal pharmaceutical maker, were climbing today after the company reported better-than-expected results in its second-quarter earnings report and raised its guidance for the full year.As a result, the stock was up 6.4% as of 10:34 a.m. ET. Zoetis gets back on trackAfter some weakness earlier this year, Zoetis posted solid results with revenue up 8% to $2.36 billion, ahead of estimates at $2.31 billion. Growth was l ...