Medycyna Wet. 55 (11), 709-780, 1999

REVIEWS

Prions and their significance in animals and in humans Deptuła W., Pawlikowska M. [digitized ] 711

Brucellosis in dogs Iwaniak W., Pilaszek J., Szulowski K. [digitized ] 718

Bordetellosis of turkeys (Turkey Coryza) Rumińska E., Koncicki A. [digitized ] 723

The adverse reproductive effects of ergotoxins in horses Kania B. F. [digitized ] 728

Selected mechanisms controlling the seasonal course of reproductive processes in sheep and goats Udała J., Błaszczyk B. [digitized ] 733

Renin-angiotensin-aldosterone in the perinatal and neonatal period Ożgo M., Skrzypczak W. [digitized ] 737

ORIGINAL PAPERS

Immunogenicity of AG cell recombined clone against BLV Rułka J., Buzała E. [digitized ] 742

Seroprevalence of Bovine Immunodeficiency Virus (BIV) in cattle from Poland Kuźmak J., Bicka L. [digitized ] 746

The case of infection of hare with European brown hare syndrome virus Chrobocińska M., Kozaczyński W., Mizak Z., Mizak B. [digitized ] 750

Length of intercalving period and effectiveness of milk production in high milk yielding herds Hibner A., Zachwieja A., Juszczak J.,
Ziemiński R. [digitized ] 753

Lead and cadmium content in milk produced in the vicinity of Bogdanka coal mine Litwińczuk A., Drozd-Janczak A., Pieróg M., Dorosz D. [digitized ] 757

Prevalence of Toxocara spp. and other intestinal parasites in dogs and cats Luty T., Mizgajska H. [digitized ] 759

The influence of nitric oxide on the motor activity of the rumen, abomasum and duodenum in sheep Cebrat E., Węgrzyn T., Leroch Z.,
Zięba D. [digitized ] 762

Selection and qualification of cows recipient for embryo transfer Jaśkowski J. M., Zbylut J. [digitized ] 766

Influence of some anti-varroa drugs on bee brood Bah M. [digitized ] 769