Prevalent surgical affections of teeth in equine in assiut province

Surgical anatomical studies on heads of adult animals including horse, mule and donkey after their maceration andpreparation of the skull were carried out. TheBe studies include the length of the entire teeth, their extraalveolar part, roots, the length of the lingual the length of tL.ebuccal of its extraalveolar part and the extension of thegum on the lingual and buccal surface and the exposed partof the teeth. Moreover the studies were extended to comprisethe circumference, wight and volume of the teeth in additionto some mor-pno Log i.ca L features of the teeth to t ne i.r jaw.increased dead-in-shell embryo. Moreover, it was of utmostimportan t to eva 1 ua t e some chemi ca 1 d i s infec tan ts to be usedas a control measure to improve poultry industry.Sampling was conducted 1n 6 different incubators 1n twosuccessive cycles for each incubator. The average settingcapacity of eggs in each incubator was 17000 eggs. A total ofthree hundred and sixty random egg samples, thirty SlXincubator a i r samples and another thirty six wall sampleswere collected under complete aseptic conditions and weretransferred after their labelling to the laboratory.The obtained results revealed the followings:1- Out of 36 a1r samples, 35 samples were positive (97.2%)