ABSTRACT
The importance of marine snails in the transfer of cercariae to fish as a provenance of zoonoses should be considered.Parasitic studies in marine snails have been uncommon in Saudi Arabia. In the present study, 550 Nerita genus of marinesnails were monthly and randomly collected from January to December 2016 from Obhor bay, Saudi Arabia. The snailswere subjected to light. They were crushed to evaluate the presence of larval trematodes. PCR technique was performedusing the internal transcribed spacer region of ribosomal DNA (ITS-rDNA) which has been a specific primer to detect theextent of larval trematode infection in some snails infected as positive control samples and all non-infected snails to assess ifthey were infected or not. PCR technique showed a high prevalence of infection (55.82%) than the classical methods(21.45%). These studies can help in collecting data on the ecological importance of the distribution of disease insympathetic fish, and the transmission of digenean trematodes disease through snails. Moreover, they can be useful inpreventing and control of fish and human diseases.
ABSTRACT
Background : Health related quality of life (HRQoL) is a critical indicator of one’s perception of health and well-being. Theobjective of the study was to assess and compare HRQoL among undergraduate students at different categories of bodymass index. Method: 140 undergraduate students at the mean age 19 ±0.70 years were randomly assigned into underweight<18.5 kg/m2 [n= 37: 26.4%], normal-weight 18.5-24.9 kg/m2 [n= 31: 22.1%], obese ≥30.00 kg/m2 [37: 26.4%] and obeseclass III ≥40.00 kg/m2 [n=35: 25%] groups. HRQoL was also measured using CDC HRQOL-14. Results: SRH-good resultswere as the following: underweight students 87%, normal weight 94%, obese 73% and obese-III 57%. The activity limitationdays were observed more among obese and obese-III category expressing lack of sleep, worrisome and depression.Underweight and obese category students exhibited less energetic days. Conclusion: HRQoL was low among obese andobese class III students. Normal weight category students exhibited better SRH-good. Obese class had more unhealthy dayswith regard to physical and mental issues and reported more days of activity limitation due to pain, depression and lack ofsleep. Obese students had greater impairments in emotional problems.