Determination of fatty acids composition in Persian Gulf shrimp, Metapenaeus affinis

The aim of this work was to analyze the fatty acid profile in Persian Gulf shrimp, Metapenaeus affinis that is one of the edible and well-known shrimps and has suitable amount of fatty acids specific polyunsaturated fatty acids (PUFA). It has been reported that, a high dietary consumption of marine n-3 fatty acids may prevent the development of atherosclerosis and thrombosis. The fatty acids profile were analysed in the male and female shrimps. The maximum amount of saturated fatty acids (SFA) was 35.88 percent of total fatty acids in Bandar Abbas (St. A) samples. Highest monounsaturated fatty acids (MUFA) were 19.59% in station C and uppermost of PUFA was in Bushehr samples equal to 47.2 %. The figures of SFA showed significant difference between stations (p<0.05). MUFA hadn’t significantly different (p>0.05) and finally PUFA differed statistically only between station A and B. ω3 and ω9 in station A also had statistically differ with other stations and demonstrate that ω3 lower but ω9 higher than other stations. Difference in percentage of fatty acids among stations may consequence of consuming different nutrients by each group of shrimp

Effects of dietary arginine supplementation on cytokine‐ and antioxidant‐related gene expressions in common carp (Cyprinus carpio) fingerling during ammonia toxicity

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Study of trend and relationship between meteorological and hydrogeological droughts of Sufi Chai and Mordagh Chai watershed

Drought is a natural disaster, which its intensity and frequency of occurrence and the affected area and the amount of damage, is more important than other natural disasters. In this study, successive periods of meteorological and hydrological drought were investigated using SPI and SDI index in Sufi Chai and Mordagh Chai basins in the Southeast of Urmia Lake, and the time delay between the two occurrences was identified. Therefore, 10 rain gauges and 7 hydrometric station data was used. Range and area droughts in ArcGIS media were plotted according to the mean-square error minimum using methods of the kriging and IDW and also droughts trend was investigated by classic Mann-Kendall and modified Mann–Kendall droughts methods. The results showed that the occurrence of the two periods of severe and long-term meteorological drought has led to the simultaneous occurrence of hydrological drought in the basins. There is a significant correlation at 99% level between meteorological and hydrological droughts which is stronger for simultaneous occurrence and one month lag time. According to drought zoning maps, the Northwest region has more potential in the terms of frequency and severity of meteorological drought occurrence which is important in the water resources management

Bioaccumulation of Zn and Cu in <i>Chasar bathybius</i>(Gobiidae) tissue and its nematode parasite<i> Dichelyne minutus</i>, southeast of the Caspian Sea, Iran

196-200Bioaccumulations of Zn and Cuin liver and intestinal tissue of the fish Chasar bathybius (Gobiidae) and its nematode parasite Dichelyne minutus (Rudolphi, 1819) were studied and compared. Concentrations of Zn and Cu were measured using Inductively Coupled Plasma (ICP-OES). Concentrations of Zn and Cu in Dichelyne minutus were markedly higher than in the liver and intestinal tissues of the specimens. Zn concentration in the fish liver increased with an increased density of the parasite. Bioconcentration Factor for intestinal tissue (BF=C parasite /C host intestine) reached to 42-194 for Cu and 25-65 for Zn. BF in the liver tissue ranged from 19 to 88 for Cu and 48 to 96 for Zn. Nematode parasites may have a beneficial influence on the health of the host fish and enable the survival of their hosts from heavy metal absorption

Bryozoa of the southern Caspian Sea, Iranian coast

Bryozoans were found attached to various natural and artificial substrates at 18 sites along the Iranian coast of the southern Caspian Sea. Two species of cheilostome bryozoans—Conopeum grimmi and Lapidosella ostroumovi—and species of ctenostomes—Amathia gracilis and Victorella pavida—are reported. Lapidosella ostroumovi is a record for the Caspian Sea

Effect of nasal beclomethasone spray in the treatment of otitis media with effusion

Background: Antimicrobials treatment of Otitis media (OM) reduces some complications, but some of chronic complications, and specially otitis media with effusion (OME), seem to increase. Theoretically the usage of nasal corticosteroid sprays may prevent this problem by reducing the local inflammation around the eustachian tube. So, this study aimed to evaluate the role of nasal corticosteroid spray as an adjuvant for the treatment of OME. Methods: In a randomized, prospective clinical trial, 2 groups of 46 subjects who had OME were recruited. A questionnaire containing patients′ characters, history, complaints, otologic examinations, and the report of tympanometries was filled for all before and after treatment. We administered a period of amoxicillin and a decongestant for both group and nasal beclomethasone spray only for case group. Results: Thirty five of cases (76.1%) and 22 (47.8%) of controls had an improvement in their symptoms or the quality of hearing (p = 0.005). Partial remission was the most common finding in 52.2% of the patients in the case group but for control group there was no change (p = 0.024). The higher improvement in the tympanic retraction in the case group was significant (p < 0.05). A significant better tympanometric result has showed in the treatment of left ear in the patients of the case group (p = 0.038) but not for right ear (p = 0.136). Conclusions: We concluded that the administration of nasal beclomethasone spray as an adjuvant for the treatment of OME not only improved the results treatment but also increased the resolution of symptoms and the patients′ quality of hearing