1. Allan GM McNeilly F Kennedy S Daft B Clarke EG Ellis JA Haines DM Meehan BM Adair BM 1998. Isolation of porcine circovirus-like viruses from pigs with a wasting disease in the USA and Europe. Journal of Veterinary Diagnostic Investigation 10(1):3-10; 18 ref.
2. Almond GW Stevens JB Routh PA Feng SM Hevener W Deen J Davies P 1990. Water deprivation in post-pubertal gilts: Changes in urine and semen constituents. Proceedings of the 14th International Pig Veterinary Society 1996. Bologna Italy 14:734.
3. Batte EG Harkema R Osborne JC 1960. Observations on the life cycle and pathogenicity of the swine kidney worm (Stephanurus dentatus). Journal of the American Veterinary Medical Association 136:622-625.
4. Carr J Walton J 1990. Investigations of the pathogenic properties of Eubacterium (Corynebacterium) suis. Proceedings of the 11th International Pig Veterinary Society 1990. Lausanne Switzerland.
5. Carr J Walton J 1992. Characteristics of plasma and urine from normal adult swine and changes found in sows with either asymptomatic bacteriuria or cystitis and pyelonephritis. Proceedings of the 12th International Pig Veterinary Society 1992. The Hague Netherlands 12:263.