Endoparasites of the European brown hare (Lepus europaeus Pallas, 1778 L.) (Lagomorpha: Leporidae) from Bulgaria.

In recent decades in Europe there has been a decline in the population of European brown hare (Lepus europaeus L.). Diseases, including parasitoses, are one of the factors considered to be the cause for the phenomenon.

Biodiversity of lung helminths in terrestrial mammals from Eastern Europe.

This review provides the results of many years of original studies of the authors published in different journals and compilations taking into account an analysis of literature data. The studies on biological diversity of lung helminths of terrestrial mammals were performed by the authors in Armenia, Bulgaria and Poland. Literature data on European Russia were also taken into account.

Species composition and morphology of protostrongylids (Nematoda: Protostrongylidae) in ruminants from Bulgaria.

Lungs of 52 ruminants from different regions of Bulgaria, 16 from goats (Capra aegagrus f. domestica L.), 15 from sheep (Ovis ammon f.

Some pathological features of lungs from domestic and wild ruminants with single and mixed protostrongylid infections.

Lungs of 40 ruminants from Bulgaria with natural small lungworm (Nematoda: Protostrongylidae) infections were investigated, including 16 goats, 15 sheep, 7 mouflons, and 2 chamois. Muellerius capillaris, M. tenuispiculatus, Cystocaulus ocreatus, Neostrongylus linearis, and Protostrongylus brevispiculum infections were predominantly associated with nodular lesions, and Protostrongylus rufescens, Protostrongylus hobmaieri and Protostrongylus rupicaprae were associated with extensive lesions located mainly along the length of the large bronchi.