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Toxicity determination of crabs in Barangay Cagsao, Calabanga, Camarines Sur. 6

By: Gabay, Imee C. 4 0 16, [, ] | [, ] |

Contributor(s): 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; January 2005.46Edition: Description: x,63pContent type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- -- -- 20 -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

Contents:

Action note: In: Summary: ABSTRACT: The study focused on Toxicity Determination of crabs in Barangay Cagsao, Calabanga, Camirines Sur. The species collected were Doclea canalifera, Ocypode ceratophthalma, Actaeodes tomentosus, Metopopgrapsus messor, Leptodius exaratus, Ozius rugulosus, Thalamita crenata. Using A.O.A.C mouse bioassay toxicity level of eight species of crabs were determined. The whole crab was homogenized, weighted and added with a proportionate volume of 0.1 N HCI. After the process, the sample was boiled for few minutes and filtered by using cheesecloth. The acidic extract was inoculated intraperitoneally to mice and the time of injection and death was recorded, also behavior of the mice were observed. The result were both Actaeodes tomentosus and Pilumnus vespertilio exhibit high level of toxicity whereas, Ocypode ceratophthalma was said to be non-toxic. The rest considered low toxic level including Leptodius exaratus, O. rugulosus, T. cremata, Doclea canalifera, and M. messor. Signs and symptoms were also observed in mice including rapid breathing, wobbling gait, paralysis of hind limbs then death. It was found that the toxicity levels of various species of crabs are significantly different and that the mean mean levels are not all the same. Other editions:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Filipiniana Section	Filipiniana-Thesis	TQL362.T68.Ga3.2005 (Browse shelf)	Available		FT7631

Total holds: 0

Thesis:(B.S. Biology)- Pamantasan ng Lungsod ng Maynila, 2005. 56

ABSTRACT: The study focused on Toxicity Determination of crabs in Barangay Cagsao, Calabanga, Camirines Sur. The species collected were Doclea canalifera, Ocypode ceratophthalma, Actaeodes tomentosus, Metopopgrapsus messor, Leptodius exaratus, Ozius rugulosus, Thalamita crenata. Using A.O.A.C mouse bioassay toxicity level of eight species of crabs were determined. The whole crab was homogenized, weighted and added with a proportionate volume of 0.1 N HCI. After the process, the sample was boiled for few minutes and filtered by using cheesecloth. The acidic extract was inoculated intraperitoneally to mice and the time of injection and death was recorded, also behavior of the mice were observed. The result were both Actaeodes tomentosus and Pilumnus vespertilio exhibit high level of toxicity whereas, Ocypode ceratophthalma was said to be non-toxic. The rest considered low toxic level including Leptodius exaratus, O. rugulosus, T. cremata, Doclea canalifera, and M. messor. Signs and symptoms were also observed in mice including rapid breathing, wobbling gait, paralysis of hind limbs then death. It was found that the toxicity levels of various species of crabs are significantly different and that the mean mean levels are not all the same.

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