1 Battalion (Mil) An infantry command of two or more companies, which is the tactical unit of the infantry, or the smallest command which is self-supporting upon the battlefield, and also the unit in which the strength of the infantry of an army is expressed. 2  v. t Battalion To form into battalions.
The mice were never going to leave, in fact they were reproducing! So, I gave in and called a mouse exterminator. I realized I just could not get rid of the mice on my own. What Does a Mouse Exterminator Do? Mouse Control Specialists (some dontâ like to be called exterminators) are experts on the habits, senses and social behaviors of mice. They have been trained in the control and management techniques of the most effective mouse-proofing methods, traps, glue boards, sanitation, and rodenticides.
A knockout mouse or knock-out mouse is a genetically modified mouse (Mus musculus) which researchers have inactivated, or knocked out, an existing gene by replacing it or disrupting it with an artificial piece of DNA.hile knockout mouse technology represents a valuable research tool, some important limitations exist. About 15 percent of gene knockouts are developmentally lethal, which means that the genetically altered embryos cannot grow into adult mice.