Hearing deficiency is one of the most common hearing impairments that affect humans and other mammalian alike. Hearing loss is not painful or a life-threatening change but can endanger the patient by taking into account a large number of breeds predisposed to hereditary deafness. this short communication aims to synthesize the steps and the method for BAER test. For the affected breeds. https://storeanimalwiz.shop/product-category/grooming/