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Journal : Jurnal Ilmu Pertanian Indonesia

Struktur Komunitas Cacing Parasitik pada Ikan Kembung (Rastrelliger Spp.) di Perairan Teluk Banten dan Pelabuhan Ratu Forcep Rio Indaryanto; Yusli Wardiatno; Risa Tiuria
Jurnal Ilmu Pertanian Indonesia Vol. 19 No. 1 (2014): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

The short mackerel is the most commercially important small pelagic fish in Indonesia. Parasitism plays a central role in fish biology. Parasitism is a ubiquitous phenomenon in the marine environment and it is probable that all marine fishes are infected with parasites. Helminth parasitic of Rastrelliger spp. are Lechitocladium angustonum (Digenea: Hemiuridae), Lecitochirium sp. (Digenea: Hemiuridae), Prodistomum orientalis (Digenea: Lepocreadiidae) and Anisakis typica (Nematodes: Anisakidae), with 90.12% of prevalence. They are not significant different of helminth parasitic abundance from R. kanagurta and R. brachysoma, but significant in helminth species richness. This different of helminth species richness was because of L. angustonum dominances. The different location wasn’t have significant different of helminth parasitic abundance because Indonesian in the tropical zone. Anisakis species in Java sea have a same genetic with Anisakis typical and not zoonotic parasite kategories. The fish digestion was a microhabitat for helminth parasitik because they have much food stuff. The fish growth have significant different in helminth parasitic abundance and intencity. This situation was because the fish immunity development and the food habit of fish.
Habitat Lechitocladium Angustiovum pada Ikan Kembung Perempuan (Rastrelliger Brachysoma) di Perairan Teluk Banten dan Pelabuhan Ratu Forcep Rio Indaryanto; Yusli Wardiatno
Jurnal Ilmu Pertanian Indonesia Vol. 19 No. 3 (2014): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Lechitocladium angustiovum is fish helminth parasites in the digestive tract to the Rastrelliger genus. The habitat of helminth parasites divided into microhabitat and makrohabitat. Fish helminth parasites infections showed the interaction of extrinsic factors (hosts habitat) and intrinsic factors (biological host). The study was conducted in February-June 2013 in the waters of the Banten Bay (Banten Province) and Pelabuhan Ratu Bay (West Jawa Province). Microhabitat helminth parasites of L. angustiovum that infect R. brachysoma gastrointestinal tract is the stomach and intestines. The presence of fish helminth parasites in fish is mutually beneficial. Fish helminth parasites get food from the fish but its presence prevents other parasites that infect fish. The presence of these worms in the digestive tract is affected by the presence of copepode and small crustaceans that are influenced by the host biology (growth and gonad development) and environmental waters. The number of L. angustiovum from Banten Bay and Pelabuhan Ratu Bay was not significantly different because of the fish has genetically similar populations.