Jenis dan Tingka Serangan Cacing Parasitik Berdasarkan Perbedaan Tingkatan Umur pada Insang dan Saluran Pencernaan (Usus) Ikan Bawal Air Tawar (Colossoma macropomum) pada Kolam Budidaya di Tanjung Morawa

Abstract

The research on the type and degree of parasitic worm attacks based on different age levels in the gills and digestive tract (gut) of freshwater pomfret (Colossoma macropomum) in pond aquaculture in Tanjung Morawa was conducted in March April 2015 in order to determine the type and level parasitic worm attacks on the gills and digestive tract (gut) in C. macropomum. The method used is a survey method and the method of mouth gills. Samples were taken at random in each pool based on the difference of age is the age of 1-2 months as many seeds of 30 individuals, aged 3-4 months as many as 10 heads and 8 tails as much as 5-6 months. Organs examined were gills and intestines. The data obtained were analyzed by descriptive quantitative. From the results, the three types of parasites that Dactylogyrus sp., Diplectanum, sp. the gills and Camallanus sp. in the gastrointestinal tract. The Dactylogyrus sp. prevalence for each age is (100%) for 1-2 months aged, Diplectanum sp. (30%) and Camallanus sp. (20%), for 3-4 months age Diplectanum sp. (50%) and Camallanus sp. (30%), for 5-6 months age Diplectanum sp. (75%) and Camallanus sp. (50%) while the intensity for 1-2 months age Dactylogrus sp. (70.06), Diplectanum sp. (38.56) and Camallanus sp. (1.50), for age of 3-4 months is Dactylogrus sp. (174.40), Diplectanum sp. (59.00) and Camallanus sp. (1.60), age of 5-6 months is Dactylogrus sp. (184.37), Diplectanum sp. (61.16) and Camallanus sp. (2.00). The more increasing of the age and the size is the more prevalence and intensity of freshwater pomfret (C. macropomum).