Muchlisin Z.A.,University of Syiah Kuala |
Munazir A.M.,University of Syiah Kuala |
Fuady Z.,University of Syiah Kuala |
Winaruddin W.,University of Syiah Kuala |
And 4 more authors.
Human and Veterinary Medicine | Year: 2014
Aim: The present study aims to evaluate the prevalence of ectoparasites on mahseer fish (Tor tambra) from aquaculture ponds and wild population in Nagan Raya District, Aceh Province, Indonesia. Material and methods: Sixty fish from several ponds and 60 fish from Isiep River (wild population) were sampled randomly. The samples were scrutinized on macroscopic and microscopic aspects using smear methods. Results and Conclusions: It is found that 30 fish from aquaculture ponds were infected by parasites resulted 50% of prevalence but none infected-fish was from wild. The species of parasites were Lernea sp., Argulus sp. (Crustacea) and Trichodina sp. (Protozoa) where the Lernea sp. was predominant. The caudal and dorsal fins were the favorite infected target of the parasites.
Hasaruddin H.,University of Teuku Umar |
Ibrahim S.,University of Malaysia, Terengganu |
Hussin W.M.R.W.,University of Malaysia, Terengganu |
Ahmad W.M.A.W.,University of Malaysia, Terengganu |
Muchlisin Z.A.,University of Syiah Kuala
AACL Bioflux | Year: 2015
The objective of this study was to assess the ability of artificial aggregating substrates for fish and squid eggs attachment. This study was performed in an area adjacent to Bidong Island on the East Coast of Peninsular Malaysia. The aggregating devices were set up at three different water depths (6 m, 12 m and 18 m) in nine locations. The presence of fish eggs and squid eggs in attractors were collected every two weeks. Scuba diving was used to collect data in different water depths. This study revealed that no fish eggs were recorded on the attractors, but there was a presence of squid eggs in seven locations. In addition, the results also showed that environmental factors such as temperature, salinity, pH and dissolved oxygen (DO) not significantly affect the presence of squid eggs. However, the location and depth of the attractors from the water surface have a significant effect on squid egg attachment in atractor. © 2015, BIOFLUX SRL. All rights reserved
Ridha M.,University of Syiah Kuala |
Fonna S.,University of Syiah Kuala |
Huzni S.,University of Syiah Kuala |
Supardi J.,University of Teuku Umar |
Ariffin A.K.,National University of Malaysia
International Journal of Automotive and Mechanical Engineering | Year: 2013
Aceh province located at the northwestern tip of Sumatra Island in Indonesia has a coastal environment and a coastline of around 1660 km. Banda Aceh, Aceh Besar, and Aceh Barat are among the districts of Aceh Province located on those coastlines. The earthquake and tsunami that struck Aceh in December 2004 caused much of these districts to be submerged by seawater. Thus, the environment of these areas might become more corrosive. This study investigates atmospheric corrosion of structural steels exposed to the environment by the 2004 tsunami. Some typical structural steels, which have five different shapes, were selected for the test. Atmospheric corrosion tests were employed by referring to ASTM G50 standards. Eight locations were selected as the test sites: Peukan Bada, Ulee Lheu, Lingke, Lampulo, Suak Ribee, Suak Pandan, Suak Seuke, and Suak Geudebang. Following a six-month exposure, experimental results show that the atmospheric corrosion rate for Peukan Bada, Ulee Lheu, Lingke, Lampulo, Suak Ribee, Suak Pandan, Suak Seuke, and Suak Geudebang was 0.043-5.451 mpy, 0.035-3.804 mpy, 0.058-5.332 mpy, 0.045-9.727 mpy, 0.265-3.957 mpy, 0.073-2.970 mpy, 0.090-4.101 mpy, and 0.380-6.379 mpy, respectively. The results show that the relative corrosion resistances for all structural steels exposed in these areas can be categorized as good to outstanding. Hence, it is safe to utilize the selected structural steels regarding their atmospheric corrosion resistance. © Universiti Malaysia Pahang.
Muchlisin Z.A.,University of Syiah Kuala |
Nadiah W.N.,Universiti Sains Malaysia |
Nadiya N.,Universiti Sains Malaysia |
Fadli N.,University of Syiah Kuala |
And 3 more authors.
Czech Journal of Animal Science | Year: 2015
Toxicity is a major limitation to successful spermatozoa cryopreservation of fish. Due to this problem, it is critical to find potential cryoprotectants which are more environmental-friendly, non-toxic, easily prepared, and available at affordable prices. Hence, the objective of the present study was to investigate several natural cryoprotectants for optimal cryopreservation of the African catfish, Clarias gariepinus, Burchell 1822 (Pisces: Clariidae) spermatozoa. Three natural cryoprotectants were tested - egg yolk, glucose, and honey, while DMSO was used as a control at different concentrations (5, 10, and 15%). Sperms were diluted with coconut water at a dilution level of 1 : 20 sperm to extender (v/v). Diluted sperms were kept at 4°C for 5 min, then at 0, -4, and -79°C for 5 min respectively, and stored in liquid nitrogen (-196°C) for 45 days. The cryopreserved sperms were thawed in a water bath (37°C) for 5 min and evaluated for fertilization and hatching rates. The data were subjected to analysis of variance (ANOVA), followed by comparison of means using Duncan's Multiple Range Test. The fertilization and hatching rates of African catfish in all cryoprotectants improved with concentration increasing from 5 to 10% but then decreased when concentration was increased to 15%. The ANOVA test showed that the differences in cryoprotectants used significantly affected fertilization and hatching rates of African catfish. Overall, the fertilization and hatching rates were higher in DMSO for all concentrations compared to other cryoprotectants. However, 10% egg yolk resulted in higher fertilization and hatching rates compared to other natural cryoprotectants. It was concluded that 10% egg yolk was the most suitable concentration for African catfish spermatozoa cryopreservation compared to other natural cryoprotectants tested.
University of Teuku Umar | Entity website
Tahun 1983 para ulama dan pemuka masyarakat Aceh Barat bekerjasama dengan pemerintah Kabupaten Aceh Barat merintis berdirinya suatu yayasan pendidikan dengan tujuan utama adalah mendirikan Perguruan tinggi swasta. Sehingga, pada tahun 1984 berdirilah sebuah yayasan dengan nama Yayasan Pendidikan Teungku Dirundeng Meulaboh ...