This study was planned to evaluate the extracts of Aloe vera (AV) at three different pH as a growth promoter, immunostimulant and coccidiostat agent in broiler production. This experiment was undertaken for a period of 35 days in the Institute of Animal Sciences, Faculty of Animal Husbandry, University of Agriculture Faisalabad, Pakistan. A total of 150 dayold broiler birds (Cobb) were randomly assigned to 5 treatments with 3 replicates of 10 chicks each. Birds were offered commercial broiler starter and finisher diets supplemented with 100 mg/kg enramycin (ANT), 50 ml/liter AV of pH 3 (AV1), 50 ml/liter AV of pH 7 (AV2), 50 ml/liter AV of pH 12 (AV3) and only fresh clean water (CON).

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 .

The influence oi‘Ai'oe vera oil extract,on wound healing was studied topically, the study involved preparation bf oil extract of Aloe vera ,also preparation of oil ointment was done .The study‘ involved b8 female rabbits, they were divided A into three groups (3"tf"St gm" a'"'"a' treated f°' (3 days) , 7th:second group treated for (7days) _ and 14"‘ day post wounding: third group treated for (14 days ).2full thickness incisional open wounds were done on the shoulder region of each group animals The wound(treated and control)were treated cpntinuously with 0.5mg oil ointment. All wounds evaluated macroscopically to the degree of (hyperemia and exudation )and microscopically to the neutrophil and macrophages infiltration ,re-epithelization fibroblast proliferation with collagen deposition and new blood capillary formation. Both macroscopic and microscopic results show the efficacy Show of Aloe vera oil extract in healing process as compared with control wounds.