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Articles by Behira Belkacem
Total Records ( 2 ) for Behira Belkacem
  Behira Belkacem and Kihal Mebrouk
  The lactobacilli of the digestive tract poultry are considered as a reservoir of genes for resistance to antibiotics. Lactobacilli colonizing the crop and intestines of broilers play an important role in maintaining the balance of the health of the animal. The current trend that aims to spread the use of lactobacilli as a probiotic in poultry is confronted by abuse as curative despite regulations and guidelines that prohibit the routine use of antibiotics for the treatment of microbial infections poultry. The study is conducted on the lactobacilli flora of broiler chickens in Western Algeria. Ten isolates from the crop and intestines broiler. Antimicrobial sensitivity test to ten different types of antibiotic were evaluated using the disc diffusion method. Inhibition zone diameter was measured of resistance or susceptibility.
  Behira Belkacem
  Psychrotrophic Gram-negative bacteria such as Pseudomonas species, pose a significant spoilage problem in refrigerated raw milk and dairy products due to secretion of hydrolytic enzymes, especially lipases and proteases. This study evaluated the effect of ascorbic acid against proteolysis activity produced by Pseudomonas fluoresencens in refrigerate raw milk. Strains of Pseudomonas fluorescens isolated from raw milk. Samples of pasteurized milk were inoculated with these strains and stored 10 days at 7°C. All the isolates showed proteolysis activity. Different concentrations of ascorbic acid were tested and the protein content was determined. The growth of each isolate tested was decreased and the content of protein was also decreased in accordance with the bacterial count.
 
 
 
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