Survey of the Microscopic Prevalence of the Abomasal Ulcer Types in slaughtered Sheep of Slaughter house of Sanandaj County

Abomasal ulcers are one of the most prevalent disorders of ruminants whichdepending on the type of ulcer, related clinical signs appear. The aim of this study, inaddition to the microscopic survey of abomasal ulcer prevalence in sheep consumingpasture forages, is to evaluate the effect of age, sex and warm climate on its prevalence.At the first step, 1562 abattoirs (including 468 rams and 1094 ewes) were examinedmacroscopically. The age of all rams and ewes was estimated orderly: less than 12months and more than 24 months as follow, which only 21 of them had the evidences ofaffliction. Furthermore for confirming the diagnosis, the taken samples were transferredto Pathology library. Results show that after microscopic inspections, which was apparentfrom those 21 cases, just 19 cases (14 ewes and 4 rams), 1.21 percent of total abattoirs,had abomasal ulcer types. All of 19 cases had all subtypes of type 1 abomasal ulcerswhich in addition, one of them had type 2 abomasal ulcers too. statistical analysis of thissurvey shown that, there was no relationship between the prevalence of sheep abomasalulcers with age, sex, warm weather and consuming pasture forages (p>0.05).