Evaluation of parasitic contamination of eliminated sheep livers in Urmia slaughter house

Survey of parasitic contaminated sheep livers in Urmia slaughterhouse Parasitic diseases have a critical importance in small ruminants. Liver parasites, because of their role in economic losses in sheep husbandry are in attention. The escape mechanisms of parasites, from immune system detection, cause difficulties in production of effective vaccines. Parasitic diseases are chronic disorders, so economic aspects of these diseases of more discussible. To determine the parasitic contamination of the liver of sheep slaughtered in Urmia city within a year (fall to winter, spring to summer of 2009 and 2010) livers of 18.000 slaughtered cases where evaluated. Recorded parasitic contaminations during fall to summer were: 896 (19.91%), 962 (21.37%), 1055 (23.43%) and 817 (18.15%) respectively