The Pennsylvania Milk Marketing Board, an independent state agency tasked with setting milk prices and helping farmers find markets, should review whether it needs greater authority to stabilize prices.That was one of several proposals unveiled Wednesday by the Pennsylvania Department of Agriculture, which studied ways to help the state’s dairy industry survive a years-long economic crisis. The Dairy Development Plan — pulled together with input from meetings with several state agencies and dairy industry groups — laid out long-term goals as well, including investments in transportation, broadband and workforce development. New funding of $7 million for research and development into new dairy products, as well as better marketing and promotion. Economic development incentives of $15 million to bring dairy processors to Pennsylvania. Convincing 244 school districts and 64 individual schools to carry milk in cafeterias.