VPA 211: General Veterinary Parasitology and Helminthology (3+1)

AGRIOSTOMUM VRYBURGI

• Agriostomum vryburgi occurs in the small intestine of the zebu and the ox in India and sumatra.
• Males are 9.2-11 mm long and females 13.5-15.5mm.
• The buccal capsule open anterodorsally and is relatively shallow. It is followed by a very large oesophageal funnel which contains two small subventral lancets.
• Spicules are equal 0.83-0.87 mm long and acompanied by a gubernaculum.
• The vulva is posterior and eggs measure 125-195 by 60-92micro meter.
• Life cycle is direct.
• Pathogenicity: anaemia and diarrhoea in heavy infection.