Impact of nickel poisoning on the histology of the ovaries of Oreochromis mossambicus

Sioson, C.; Herrera, A.

dc.contributor.author	Sioson, C.
dc.contributor.author	Herrera, A.
dc.contributor.editor	Marte, Clarissa L.
dc.contributor.editor	Quinitio, Gerald F.
dc.contributor.editor	Emata, Arnil C.
dc.date.accessioned	2011-08-05T09:28:01Z
dc.date.available	2011-08-05T09:28:01Z
dc.date.issued	1996
dc.identifier.citation	Sioson, C., & Herrera, A. (1996).Impact of nickel poisoning on the histology of the ovaries of Oreochromis mossambicus. In C. L. Marte, G. F. Quinitio, & A. C. Emata (Eds.), Proceedings of the Seminar-Workshop on Breeding and Seed Production of Cultured Finfishes in the Philippines, Tigbauan, Iloilo, Philippines, 4-5 May 1993 (p. 109). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.	en
dc.identifier.isbn	9718511326
dc.identifier.uri	http://hdl.handle.net/10862/568
dc.description	Abstract only.	en
dc.description.abstract	Ovaries of Oreochromis mossambicus exposed to sublethal concentrations of nickel sulphate (0.5 mg/1 and 1.0 mg/1) were histologically analyzed. Changes following exposure to 0.5 mg/1 nickel sulphate include irregularities in the shape of egg follicles, subcellular oocyte damage, lifting off of the theca layer and proliferation of connective tissues. In the ovaries exposed to 1.0 mg/1 nickel sulphate, degenerative changes are worse. Invasion by connective tissues is extensive, oocytes have bizarre shapes, yolk granules are scattered in the interfollicular spaces, abnormal growths are evident and previttelogenic oocytes abound. Nickel is a toxicant in Oreochromis mossambicus ovaries.	en
dc.language.iso	en	en
dc.publisher	Aquaculture Department, Southeast Asian Fisheries Development Center	en
dc.subject	Oreochromis mossambicus	en
dc.subject	Mozambique mouth-breeder	en
dc.title	Impact of nickel poisoning on the histology of the ovaries of Oreochromis mossambicus	en
dc.type	Conference paper	en
dc.citation.spage	109
dc.citation.conferenceTitle	Proceedings of the Seminar-Workshop on Breeding and Seed Production of Cultured Finfishes in the Philippines, Tigbauan, Iloilo, Philippines, 4-5 May 1993	en
dc.subject.asfa	lethal effects	en
dc.subject.asfa	biotesting	en
dc.subject.asfa	fish eggs	en
dc.subject.asfa	animal reproductive organs	en
dc.subject.asfa	nickel	en
dc.subject.asfa	oocytes	en
dc.subject.asfa	histopathology	en
dc.subject.asfa	ovaries	en
dc.subject.asfa	freshwater fishes	en
dc.subject.asfa	toxicity tests	en

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Breeding and Seed Production of Cultured Finfishes in the Philippines [31]
Proceedings of the Seminar-Workshop on Breeding and Seed Production of Cultured Finfishes in the Philippines, 4-5 May 1993, Tigbauan, Iloilo, Philippines

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