Bacteriological Evaluation of Some Fresh and Frozen fish | ||
| Benha Veterinary Medical Journal | ||
| Article 4, Volume 31, Issue 1, September 2016, Pages 24-29 PDF (265.71 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/bvmj.2016.31213 | ||
| Authors | ||
| Hemmat M. Ibrahim1; Reham A. Amin1; Nahela Shawkey2; Hend E. Mohammed2 | ||
| 1Food control Dept., Fac. Vet. Med. | ||
| 2Animal Research Institute Shebin El- Koom | ||
| Abstract | ||
| Ninety random samples of fresh and frozen each of Tilapia niloticus, Mugil cephalus and Shrimp (15 of each) were collected from different fish markets at Qaliuobia Governorate. All collected samples were bacteriologically examined for determination of Aerobic Plate Count (APC), psychrotrophic count, Isolation and Identification of pseudomonas and Aeromonas species. The bacteriological examination revealed the mean values of APC in the examined fish samples was 1.52×106 ± 0.47×106 and 3.08×105 ± 1.31×105 in fresh and frozen Tilapia niloticus, 7.14×105 ± 1.84×105 and 2.59×105 ± 0.62×105 in fresh and frozen Mugil cephalus and 7.81×104 ± 2.07×104 and 1.36×104 ± 0.42×104/g, in fresh and frozen shrimp . The mean values of psychrotrophic count in fresh and frozen Tilapia niloticus were 2.67×105 ± 0.45×105 and 5.36×105 ± 1.24×105 cfu/g, respectively. 4.91×104 ± 0.93×105 and 1.72×105 ± 0.46×105/ gm respectively in fresh and frozen Mugil cephalus. 7.81×104 ± 2.07×104 and 6.51×104 ± 1.80×104/g, in fresh and frozen shrimp. The incidence of Pseudomonas species was 33.3% and 53.3%in the examined samples of fresh and frozen Tilapia niloticus, 46.7% and 60.0 %in fresh and frozen Mugil cephalu, respectively, 33.3 %and 40.0 %in fresh and frozen shrimp, respectively. The incidence of Aeromonas species were 46.7 %and 33.3 %in the examined samples of fresh and frozen Tilapia niloticus, 53.3 % and 40.0% in fresh and frozen Mugil cephalus, respectively, 33.3 % and 40.0 %in fresh and frozen shrimp, respectively | ||
| Keywords | ||
| Fresh fish; frozen fish; Tilapia niloticus; Mugil cephalus | ||
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