Endoparasitc worms of culture tilapia (Oreochromis niloticus Linn.) from Laguna lake / by Karizza C. Yambao.

By:

Yambao, Karizza C [author]

Contributor(s):

Bono, Michele T [adviser]

Material type: Text

TextLanguage: English Publication details: Indang, Cavite : Cavite State University- Main Campus, 2015.Description: xiv, 62 pages : 28 cm. illustrations ; Content type:

text

Media type:

unmediated

Carrier type:

volume

Subject(s):

DDC classification:

639.3 Y1 2013

Online resources:

Click here to view thesis abstract and table of contents

Production credits:

College of Arts and Science (CAS)

Abstract: YAMBAO, KARIZZA C. Endoparasitic Worms of Cultured Tilapia (Oreochromis niloticus Linn.) from Laguna Lake. Undergraduate Thesis, Bachelor of Science in Biology, Major in General Biology, College of Arts and Sciences, Cavite State University, Indang, Cavite. April 2013. Adviser: Ms. Michele T. Bono This research was conducted to determine the level of parasitism among cultured tilapia from Laguna Lake; identify the isolated parasites in cultured fishes; characterize the appearance of cultured fishes with parasites; assess the effect of parasitism on the morphological characteristics of cultured fishes; distinguish chemical characteristics of water such as pH, TDS and DO where fishes are cultured; correlate the level of parasitism with the chemical characteristics of the environment and determine the incidence of parasitism among infected cultured fishes. A total of 90 cultured tilapia samples from three municipalities along Laguna Lake, namely: Calamba, San Pedro and Muntinlupa, were examined microscopically for the presence of intestinal parasites. Fifty-eight (64.44%) of these were infested. The the incidence of parasitism was higher in Muntinlupa (27.78%) than in San Pedro (20.00%) and Calamba (16.67%). Sampling was done from September to November 2012. Parasites recovered belong to Phylum Acanthocephala under genus Acanthosentis. Parasitism significantly changed the morphological characteristics of tilapia like stunted fins, pale gills, pale skin, damaged intestine and damaged liver. The length of parasitized tilapia is significantly affected by the chemical characteristics of the water such as pH, TDS and DO. The level of damage is significantly aggravated by the changes in the chemical characteristics of water. The pH level affects stunted fins, pale gills, damaged intestine and damaged liver, while other symptoms are not affected by pH. All morphological symptoms are not dependent on TDS. However, as TDS values become extreme, stunted fins and damaged intestines become more evident. On the other hand, pale gills, and damaged liver are affected by the DO of water. Incidence of parasitism is significantly affected by the chemical characteristics of water.

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Holdings
Item type	Current library	Collection	Call number	Materials specified	URL	Status	Notes	Date due	Barcode
Theses / Manuscripts	Ladislao N. Diwa Memorial Library Theses Section	Non-fiction	639.3 Y1 2013 (Browse shelf(Opens below))		Link to resource	Room use only	T-5727		00009312

Thesis (BS Biology -- General Biology) Cavite State University

Includes bibliographical references.

College of Arts and Science (CAS)

YAMBAO, KARIZZA C. Endoparasitic Worms of Cultured Tilapia (Oreochromis niloticus Linn.) from Laguna Lake. Undergraduate Thesis, Bachelor of Science in Biology, Major in General Biology, College of Arts and Sciences, Cavite State University, Indang, Cavite. April 2013. Adviser: Ms. Michele T. Bono

This research was conducted to determine the level of parasitism among cultured tilapia from Laguna Lake; identify the isolated parasites in cultured fishes; characterize the appearance of cultured fishes with parasites; assess the effect of parasitism on the morphological characteristics of cultured fishes; distinguish chemical characteristics of water such as pH, TDS and DO where fishes are cultured; correlate the level of parasitism with the chemical characteristics of the environment and determine the incidence of parasitism among infected cultured fishes.

A total of 90 cultured tilapia samples from three municipalities along Laguna Lake, namely: Calamba, San Pedro and Muntinlupa, were examined microscopically for the presence of intestinal parasites. Fifty-eight (64.44%) of these were infested. The
the incidence of parasitism was higher in Muntinlupa (27.78%) than in San Pedro (20.00%) and Calamba (16.67%). Sampling was done from September to November 2012. Parasites recovered belong to Phylum Acanthocephala under genus Acanthosentis. Parasitism significantly changed the morphological characteristics of tilapia like stunted fins, pale gills, pale skin, damaged intestine and damaged liver. The length of parasitized tilapia is significantly affected by the chemical characteristics of the water such as pH, TDS and DO. The level of damage is significantly aggravated by the changes in the chemical characteristics of water. The pH level affects stunted fins, pale gills, damaged intestine and damaged liver, while other symptoms are not affected by pH. All morphological symptoms are not dependent on TDS. However, as TDS values become extreme, stunted fins and damaged intestines become more evident. On the other hand, pale gills, and damaged liver are affected by the DO of water. Incidence of parasitism is significantly affected by the chemical characteristics of water.

Submitted copy to the University Library. 07/27/2015 T-5727

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