A field experiment was conducted at the Southern West of Syria during
١٩٩٦, to evaluate the best concentration of Zinc phosphide as a quick
rodenticde against social voles ( Microtus socialis ) in woods.
The four concentrations of Zinc phosphide w
ere ١،٢،٣ and ٤ %. The baits
prepared from grains which soaked for ٦ hours in water, and dried for ١٨
hours, ١٪ of vegetable oil was added as attractive. ٣-٤ grams of the bait was
put inside the opening of each active borrow.