الفهرس 
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Abstract
The present study was designed to test the efficient effect of a new biomaterials ’as buffalos crude whey extract (CWE) on wound healing process and compare its effect relative to chitosan (extracted from crustacean) which is known for its useful effect on wound healing and the well-known chemical treatment Povidine iodine). The experiment was carried out to estimate the possibility of using CWE as a wound dressing material. Four experiments were done on rats and dogs with total number of 9 rats and 21 dogs. Two steps were done in laboratory for whey extraction and preparation stage and measuring the antibacterial activity of the used biomaterials in laboratories of Faculty of Veterinary medicine, Menofia University (Sadat branch). A: The preparation stage a- Buffalos skim milk soft cheese (Karish cheese) whey were collected and dried to obtain whey powder for the present study. b- Chitosan solution was prepared according to the company manufacture instruction. B: Anti-microbial power In this experiment, the anti-microbial power of the CWE (1.5%) and chitosan 0.1%) solutions were tested in vitro against Candida albicans, Staphylococcus aerrus and E-coli to estimate its anti- microbial power, and the obtained results proved that neither the chitosan nor the CWE have anti- microbial power in vitro.