Over the past several years,the most widely used in vitro tests for mutagenicity have been those performed on bacteria.These include the Ames test,SOS,and SOS/umu chromotest[1,2].The Ames test is the most commonly use...
The horn fly, Haematobia irritans, is a serious pest of cattle in North America. The control of horn flies has primarily relied on insecticides. However, the heavy use of insecticides has led to the development of ins...