Chapter 6 Louse Infestation of Ruminants

Throughout the world, louse infestation of ruminants is an important problem that impairs the growth and performance parameters of beef, dairy and buffalo stocks. Full details of geographical and taxonomical features of blood sucking and biting louse on ruminants are discussed. The objective of the topic is to demonstrate the occurrence, biological, epidemiological and clinical importance of bovine pediculosis. At the same time, presenting factors determining the severity of infestation with blood-sucking and biting lice include the animals’ age and sex and also the season. Important determination of the prevalence and rate of louse infestation among ruminants offer a survey of advances in systemic chemotherapeutic control.