Browsing by Author "Surzanne Mohd Agos"

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    Site-specificity study of monogenean gill parasite in pond culture fish of ikan patin buah (Pangasius nasutus) at Pusat Pengembangan akuakultur Perlok Jerantut, Pahang
    (Terengganu: Universiti Malaysia Terengganu, 2009) Surzanne Mohd Agos
    From August to September 2008, 30 fishes of Pangasius nasutus (lkan Patin Buah) were collected from the pond culture farm, number BS at Pusat Pengembangan Akuakultur (PPA), Perlok Jerantut Pahang. The fish was used to identify the monogenean gill parasite infecting the gill of Pangasius nasutus (Ikan Patin Buah) in freshwater pond culture in Perlok according to their specific characteristic because monogenea often cause many problems in aquaculture practice all over the world. Monogenean can become a serious threat when fish are crowded together, as in hatcheries and farming operations like pond. This study was performed to determine the site specificity, prevalence,and mean intensity of monogenean in different size classes of Pangasius nasutus in freshwater pond cultures. The condition of the fish and water quality of the pond water were taken. Histological process was carried out to study the structure of the gill and to examine the structural changes on the gill because of the heavily infected by monogenea. Scanning Electron Microscope (SEM) was done to observe more clearly the specimen and the site attachment of the parasite on the gill. This project was conducted in Biodiversity Laboratory, Anatomy Physiology Laboratory and Histology Laboratory at Universiti Malaysia Terengganu
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    A study of monogenean gill parasite on cage-cultured red tilapia (Oreochromis sp.) in relation to water physico-chemical parameters in como river Kenyir Lake
    (Terengganu: Universiti Malaysia Terengganu, 2013-12) Surzanne Mohd Agos
    The aquaculture sector has been an important vector for the introduction, transfer and spread of aquatic diseases and parasites. A high impact cage culture project for farming economically important freshwater fishes was launched at Como River, by the Department of Fisheries, Malaysia where heavy mortality and slow growth of fishes was reported. A study on red tilapia (Oreochromis sp.), cultured at Kenyir Lake was conducted using water quality profiles, spatial distribution, monthly prevalence and mean intensity of monogenean infection in relation to water physicochemical parameters of the lake. Monogeneans are of great interest to the ecologist because of their simple life cycle and are considered as one of the important and sensitive parasites to any changes in water quality. A total of 121 of Oreochromis sp. from different size classes were collected from Como River, Kenyir Lake. They were randomly sampled from different cages for a period of 13 months from April 2011 to April 2012.