The investigations on the incidence and intensity of parasitism in some endoparasytes in sheep  performed on 376 animals (260 sheep and 116 young adult sheep) Turcana breed, Gilău area, Cluj County, indicated an increased incidence in trihostrongilidys  of 72.7% in young  sheep and 65.0% in adult sheep. The incidence of monesya had different values ​​depending on age group, 45.5% at young sheep and 10.0% in  adult sheep. The data obtained regarding the prevalence of hepatobiliary trematodsys of sheep in the study, indicates similar values ​​for the two categories, 27.2% young sheep and 30.0% for adult sheep. Instead the extensivity of  lung strongilatosys showed notable differences between the two groups of animals, 18.1% at young sheep and 35.0% in adult sheep. The cop microscopic pollution degree with trihostrongily eggs in correlation with age group, indicated a dominance of low infestation (50% young sheep and 61.5% adult sheep). In exchange, the data obtained on parasitism intensity with cestode oncospheres expresses a dominance of medium infestation (60.0%) in young sheep and the low (10.0%) in adult sheep. The intensity level of Hepatobiliary trematodosys parasitism in the young sheep showed a dominance of small and medium infestations (37.5%) and in adult sheep are dominant only at low infestations (45.4%). The larvae strongilatosys  parasitism intensity in the lung detected similar values ​​in the two age groups (50.0% in young sheep and 17.2% in adult sheep).