Manipulation of photoperiod may affects the bahavior as well as physiology of fish in general, while the addition of turmeric powder in fish feed may increase the health status of the fish. By manipulating the photoperiod and feeding the fish with turmeric enriched fish feed pellets, the growth of the fish might be boost up. To understand the effects of photoperiod manipulation and turmeric en…
Dumai City is one of 12 regencies/cities in Riau Province with 1,727.38 km2 of area. One of the environmental problems is the potential for pollution in coastal waters caused by various spatial use activities such as the oil industry area consisting PT. CPI (Chevron Pacific Indonesia), PT. Pertamina, the palm oil processing industry (CPO) of PT. BKR (Bukit Kapur Reksa) and land conversion, huma…
There are antibacterial compounds in the mango seed. Thus the extract of that seed may be used as antibacterial to prevent the growth of bacteria that attack fish such as Edwardsiella tarda. To understand the type of bioactive compounds present in the mango seed extract and the effectiveness of mango seed extract in hampering the growth of E. tarda, a study has been conducted in August to Nov…
The research was conducted from July to December 2018 which aims to estimate the amount of carbon stock storage in wetland ecosystems that cover mangrove to peatland in Sungaitohor Village. Survey method was applied and sampling was done by non-destructive method that is without harvesting, so as not to change the ecological function of the forest. Data of carbon pool biomass was analysed and c…
Agglutination occurs due to antibody and antigen reaction may be used as a basis to develop a test kit to detect the presence of bacteria that cause fish disease rapidly. To understand whether the antibody- antigen reaction of E. ictaluri can be used to detect the Enteric Septicemia of Catfish (ESC) disease, a research has been conducted from September to December 2018. Antibody was collected f…
Indonesia has a huge potential for disaster related to changes in the Coastal region and small islands. As a step in efforts to mitigate and adapt to disasters in the coastal areas and small islands, the government has set a target of marine conservation areas of 20 million hectares by 2020. Rangsang Island is one of the small islands in the Meranti Islands Regency, Riau Province, which deals …
Tenualosa macrura is migratory fish species that used to migrate to the Siak River downstream for spawning. The population of that fish, however, declining and it may be caused by environmental degradation and fish exploitation. To understand the carrying capacity of Bengkalis strait, river mouth of the Siak River and Padang strait that represent as migratory area of the fish and those area ha…
The fishing community is one of the communities that needs attention from the government, from 2012 the Bengkalis District Government has created a Village Empowerment Program (PPD) in the form of a Savings and Loan Village Economic Unit (UED-SP), this program can help improve the economy of village-based communities entrepreneurship. The purpose of this study is to evaluate the UED-SP empowerm…
This study was conducted from February to Mei 2019 and that locate was Laboratorium Parasit dan Penyakit Ikan. This study aims to determinate the effect of giving turmeric flour on histological structure of Pangasius hypophthalmus. The method in this research was the experimental method using the Completely Randomized Design (CRD) with one factor and five treatment levels and three time replica…
The presence of antibiotic-producing bacteria from microhabitat in mangrove ecosystems can be useful to produce new antibiotics for industrial and environmental conservation. Mangrove ecosystems in Dumai and Siak have the potential to possess antibiotic-producing bacteria that have not been much studied. The objective of this research was to obtain antibiotic-producing bacteria from extreme mi…
Internationally, sea turtles are one type of animal whose presence in nature is endangered. Tambelan District, is a coastal area that is visited by many sea turtles with the aim mostly to lay eggs. The large number of turtle eggs needs is not only for additional consumption of Tambelan people, but to meet the needs of people outside Tambelan, so that turtle eggs continue to be taken for trade. …
Growth and reproduction of fish is affected by internal and external factors including photoperiod. Photoperiod as well as feed affects the gonad development. To know the appropriate duration of photoperiod and food types, a study has been conducted in May – October 2018. The fish was reared in 140 x 60 x 40 cm fiber tank, and they were placed under black plastic tent completed with 35 watt l…
Juaro fish (Pangasius polyuranodon) is a freshwater benthopelagic fish that is potamodromus. Juaro fish can be found in freshwater and can be found on the river banks. Freshwater which is a place to live juaro fish, one of which is the Kampar River and Siak River. Both of these rivers are large rivers in Riau Province but both waters have different water conditions. The waters of the Kampar Riv…
The research was carried out at the Faculty of Mathematics and Natural Science, University of Riau, in the Chemical Laboratory of the Faculty of Mathematics, Natural Science, and Health, Muhammadiyah University, Riau, and Fish Parasite and Disease Laboratory of the Faculty of Fishery and Marine, University of Riau, from July until October, 2018. The objective of the research was to find out bio…
Mantis shrimp is one of main fishery commodities in Kuala Tungkal, West Tanjung Jabung Regency, Jambi. Generally, there are 125,000 up to 225,000 catches per year and the price for each is Rp.143,600-Rp.180,700. This catch has shown a significant progress since Mantis shrimp becomes one of export commodities from Indonesia to various countries such as to Hong Kong and Taiwan. However, there are…
Basic fish trap is commonly used by fishermen to catch Demersal fish and Reef fish. This research aims to find out the composition of main catch, bycatch, and discard caught by using fish traps. The results are worthwhile to find alternative for reducing the numbers of bycatch and discard. A survey method was applied with direct observation in order to identify the trapped species. The research…
Gourami (O.gouramy) representing Fish consume freshwater with potential high economic value to be developed. Fish gourami coming from Right River Camphor have excellence, like good growth, hold up to disease but there is no data information about and also fenotif of genetik. This research aim to analysing character of fenotip, variation of genetik, growth rate and influence offis quality of Car…
In the midst of the incessant implementation of good governance as a foundation for the value of governance in the public sector, a paradigm of Good University Governance (GUG) has emerged which is a demand for every university. GUG is considered as an important element for Higher Education to be able to anticipate, design, implement, monitor, and assess the effectiveness and efficiency of poli…
With the weakening of the rupiah, the condition of economic growth has worsened. And this has an impact on some companies that want to grow, survive and make investments by funding through debt. The company makes efforts so that the company can continue without problems and obstacles so that it does not go bankrupt. One way companies do is to minimize debt costs. This study aims to analyze th…
High profitability reflects the company's ability to generate profits through its operational activities. Conversely, low profitability reflects the company's operational activities that are not good so that the company's ability to generate profits is low. 2015 was a difficult time for national mining companies, where there were several companies that experienced a decline in profitability. T…