Diagnostic and epidemiological study of Haematopinids’ tuberculosis lice parasitizing on cows in some areas of Salah al-Din Governorate Iraq

Abstract

The study aimed to examine 137 heads of cows in some areas of Salah al-Din Governorate, which belong to three different areas (Al-Bu 'Ajil, Al-Alam, and Tikrit), for period from beginning of November 2018 to March 2019, to record types of lice parasitizing them, and results showed infection Cows with one type of lice, Haematopinus tuberculous, with an infestation rate of 29.927%, and parasite was diagnosed according to phenotypic and standard characteristics. The highest rate of injury was recorded in herds of Al-Bu Ajil area, at 36.206%, and lowest rate in cows in Tikrit, where rate was 22.222%, and highest rate of injury was recorded during month of December, reaching 41.463%, while lowest rate was during October, the rate was 14.285%. The infestation ceased during month of March, and adults of lice were isolated in different proportions from different places of body of cows under study, and percentage in udder area was 60.97%, followed by 26.82% for tail area, and lowest rate of infection in skin area around eye and ear was 12.19%.