Some Studies on the Santtatlon of Abattoirs in Sharkia Peovilce

l.In this work. bacteridogical investigation wascarried in 13 abattoirs at Sharkia province.A total of 450 samples were collected frDm the drainaasystem inside and outside, floor and utensil surfaces ofabattoir.2~ Inside abattoir, the maximum total bacterial countwas’found 90xl016 per ml~ of sewage fluid at 37°0 witha minimum of 63xl09 per ml., and at 22°0 the maximum wasl30xl016 with a minimum of 200xl08 pe~’ml.3~ Outside abattOir, the maximum count was found BOxwith a minimum of 36xl07 per m.l(t at 37°0, while at 22•0 ’maximum is 140xlOl.5 with a minimum of 64xl07 per ml~ ’4. Floor and utensil surfaces; the maximum bacteriacount per 1 cm~ at 37°0 of floor and utensil surfaces we63xlOl~ and 70xlOlO~ ;itb a minimum of 35xl06 abd 46xlO~per am2 respectively •.5~ The total bacterial count per ml. of sewage flujwas decreased after storage in the open atmosphere for45daysfrom80xlOl1to 48xl06 at 37°0, and at 22°0 froIi38xl011 to 66xl08! ’