1. Abnormal morphology of bovine spermatozoa;Barth,1989
2. Breeding soundness in bulls — A summary of 10,940 examinations;Carroll;J Am Vet Med Assoc,1963
3. A new bull breeding soundness evaluation form;Chenoweth,1992
4. Eperythrozoon ovis — A cause of anaemia, reduced production and decreased exercise tolerance in sheep;Daddow;Aus Vet J,1979
5. Erythrocytes;Duncan,1986