Antimicrobial activity of aloe vera extract on cases of keratoconjunctivitisin sheep (in vivo and invitro study)‎ and compared with penicillin-streptomycin

الملخص EN

The study was conducted at the of animal fields in AL-Qassim city, sheep in this fields was suffering from severe eye infection during the period April to October ,2015 .sheep was clinically examined and showed signs copious eye drops, increase body temperatures, swollen of eye with redness, eye pus in some cases, the sheep was checked clinically and eye swabs of 20 keratoconjuctivitis affected sheep carried out on the basis of their culturing,morphology, staining,biochemical tests and antimicrobial susceptibility testing was done by (disc diffusion method and well diffusion method) from present study .percent of infection was S.aureus(50%), M.ovis (33%)and Proteus spp.(17%) was isolated .

Result of antimicrobial properties of Aloe Verawas evaluated in various in-vitro experiments against these species of bacteria S.aureus,M.ovis and Proteus spp.

and showed good inhibition activity.In vivo study recovery from the conjunctivitis was record after 6 -10 days for animal treated with Pencillin-Streptomycine while group of extract that showed complete healing during period 6-10 day according totype and severity of infection, also there is no recurrent infection after treated with aloe Vera ointment and eye lotion , as well as Gide to done many of research on aloeVera for used in eye problem which consider very important in Veterinary Medicine .