Cain , Amanda J., Heath King, Robert Wills, Whitney Agee, Sara Howard, and Richard Hopper. “Evaluation of the Effects of Topical Permethrin Insecticide on Bull Semen Quality”. Clinical Theriogenology 6, no. 1 (March 1, 2014): 25-31. Accessed March 31, 2026. https://clinicaltheriogenology.net/index.php/CT/article/view/11212.