1-2 of 2 Books
Bovine ostertagiasis
Bovine ostertagiasis
By J. Armour,Armour Ogbourne Cabi,C. P. Ogbourne
The Epidemiology and control of gastrointestinal parasites of cattle in Australia
The Epidemiology and control of gastrointestinal parasites of cattle in Australia
By N. Anderson,Waller, P. J.