PMLN actually banned wheat cross movement in late 90s causing not only huge losses for poor farmers of punjab but alos causing food shortages in 21th century in KPK
now we see repeat of such polices, poor farmers from my villlage lost millions as cross boarder movement of animals were stopped to drop the prices local market..yes it will temp benefit the middle class for qurbani but same farmers will simply not breed any more animals as they lost money..
playing with demand and supply, you loose in the long run