Salt Lick for Deer: A Guide for Buying and Using Them A salt lick, also known as a mineral lick, is a location where animals can go lick much needed minerals and nutrients from salt deposits. Wildlife biologists may use salt licks as well, to assist them in tracking populations, and wildlife salt licks can also be medicated; deer, for example, might be fed birth control to keep them from proliferating in areas where there are few natural predators. However contraceptives are not yet species specific and might be taken up by any wild animal in the woods. Many people don't want their neighborhood deer to be slaughtered. American Chemical Society: Chemistry for Life. They are either natural occurring or artificially made. A less labor intensive and therefore inexpensive way of treating the deer might be to give a drug by mouth via a food product such as a salt lick. Artificial salt licks for wildlife come in … “But what’s worse is that after being exposed to rain and snow, the minerals leach into the surrounding ground, and then for years deer bite and chew at the dirt. DENVER, Aug. 31, 2011 — A new birth control vaccine for white-tailed deer — a growing nuisance in urban areas for gardens and landscaping — eliminates the dangerous reproductive behavior behind the annual autumn surge in automobile-deer collisions.

Examples of the Perpetual, Annual Deer Cull. Deer Culls used to manage suburban deer create a public safety issue and provide only a short term solution, requiring a perpetual killing program. Although the vaccine has only remained effective for one year during previous PZP projects, injected time-release pellets … Although degraded habitat is a major cause for the decline of the U.S. deer population, suburbs often provide excellent deer habitat. “Where salt licks or mineral blocks are put out, obviously deer congregate, and that is bad enough,” Wolfgang explained. This is the PZP — or porcine zona pellucida — a birth control vaccine and the latest front in one of the United States’ most vexing wildlife conflicts.