Dr. Murai Éva szerk.: Parasitologia Hungarica 25. (Budapest, 1992)

Fig.l. Mean shedding of Trichostrongylus eggs by bison and llamas in the first period of experiment PPG 10090 80 7060 50 40 30 20 10 OÂAÂ Lama glama • • • Bison bison (dam and her son) • • • Bison bison Bison bonasus ———— Bos taurus p. h. 1 1 16 Oct. 25 Oct. 1 8 Nov. 11 Dec. Fig.2. Shedding of Trichostrongylus eggs by bison and llamas and shedding ofH. contortus eggs by Hungarian Grey cattle in the second period of experiment