By SARA QAMAR Capital News Service LANSING \u2013 Feral pigs wreaking havoc on fields and farms have made enough enemies for the Department of Natural Resources (DNR) to propose a ban on ownership of wild boars. Legislation to head off the prohibition would allow hunting Eurasian boars and other wild hog species to continue at private game ranches, subject to state regulations. If the bills don\u2019t pass, DNR will declare the boars an invasive species in July, making it illegal for game ranch operators to have the swine in their facilities. DNR set the deadline to give lawmakers time to stringently regulate the sporting swine industry. Game facilities that have both deer and boars currently have fencing requirements, but ones with only boars are unregulated, said DNR communications representative Mary Dettloff. DNR estimates that 65 game ranches allow boar hunting, including some with deer. Feral swine, or wild pigs, pose a risk of disease to humans and wildlife, as well as destruction of agricultural resources and plants. They can pass diseases to domestic pigs through nose-to-nose contact, experts said. Dave Nyberg, Michigan United Conversation Club (MUCC) legislative affairs manager said, \u201cPigs can\u2019t be contained even by very strong fences. Fences have to be buried deep underground because they root under them.\u201d Wild boars can pass on pseudorabies to domestic pigs, said Michigan Pork Producers Association Executive Vice President Sam Hines. That disease would greatly reduce the domestic pig population and prevent exports to states like Indiana, where 25,000 to 30,000 pigs are sent to market weekly, Hines said. In 2008, it cost the state $415,000 to eradicate a few hundred wild boars infected by pseudorabies. \u201cWe\u2019re vehemently opposed to trying to regulate them. Unfortunately, these animals are not native and they\u2019ve been brought here for sport-shooting in clubs.\u201d The facilities have not been able to contain them, Hines said. According to DNR, there were 43 feral pig sightings in 30 counties in 2010. Some were reported in populous counties such as Washtenaw, Oakland and Livingston, while Mecosta had the most last year. But Hines said, \u201cThe data they\u2019ve maintained is nowhere close to the actual number.\u201d The legislation would include fencing requirements for game ranches and tagging of Eurasian boar, said Rep. Sharon Tyler, R-Niles, a sponsor. The legislative package is a step in the right direction but doesn\u2019t reflect all the recommendations of a feral swine work group, which looked at bio-security and penalties for violations, among other measures. The group included members from game facilities, breeders, the pork industry and MUCC. DNR\u2019s Dettloff said once a pig escapes, it\u2019s considered feral. Eventually, the animal grows fur and tusks, which are normally removed from domesticated pigs because they are considered dangerous. Some feral pigs escape from farms, but most come from hunting facilities, she said. \u201cDNR is not in a position to be spending that amount of money on one species, which is why we want to eradicate the ones that are feral and regulate the ones behind fences,\u201d Dettloff said. Some game ranch operators oppose the proposed DNR ban and parts of the legislation, such as fees and fencing requirements, Dettloff said. The industry should pay for regulatory programs or the state will need to find money from another area, possibly hunting and fishing, to enforce the regulations, she said. The legislation is in the House Agriculture Committee.