Seasonal occurrence of metazoan parasites in Tigerfish, Hydrocynus vittatus Castelnau, 1861 (Characiformes: Alestidae) from Sanyati Basin, Lake Kariba, Zimbabwe

Autor: Nyasha Mabika, Maxwell Barson, Cobus van Dyk, Annemarie Avenant-Oldewage

Publikováno v: Onderstepoort Journal of Veterinary Research, Vol 86, Iss 1, Pp e1-e6 (2019)

Lake Kariba is a tropical lake with slight variations in seasonal temperature. Temperature is an important physical variable in the biology of both fish and their parasites. Currently, there is no information on the seasonal occurrence of fish parasi

Externí odkaz: https://doaj.org/article/cd1361948cbc4bbea46cd858635ebf32

Hepatic nodular alterations in wild fish from a hyper-eutrophic freshwater system with cyanobacterial blooms: a species and seasonal comparison

Autor: Hlengilizwe Nyoni, Cobus van Dyk, I.E.J. Barnhoorn

Publikováno v: Environmental Science and Pollution Research. 29:15729-15742

This paper reports on the seasonal and species comparison of hepatic nodular alterations in two indicator fish species from the hyper-eutrophic Roodeplaat Dam in South Africa. This freshwater system is characterized by seasonal cyanobacterial algal b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc2a6954b663431a7c1d89028262d5e8
https://doi.org/10.1007/s11356-021-16635-y

The first report of selected herbicides and fungicides in water and fish from a highly utilized and polluted freshwater urban impoundment

Autor: I.E.J. Barnhoorn, Cobus van Dyk

Publikováno v: Environmental Science and Pollution Research. 27:33393-33398

Many of South Africa's freshwater impoundments are compromised by pesticide pollution, and the Roodeplaat Dam, near Pretoria, is no exception. This paper is, to the best of our knowledge, the first report of the herbicides Dacthal, metribuzin, simazi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8d8aeb7f03d99fa4a13acd90f25122b
https://doi.org/10.1007/s11356-020-09930-7

Seasonal occurrence of metazoan parasites in Tigerfish, Hydrocynus vittatus Castelnau, 1861 (Characiformes: Alestidae) from Sanyati Basin, Lake Kariba, Zimbabwe

Autor: Maxwell Barson, Annemariè Avenant-Oldewage, Nyasha Mabika, Cobus van Dyk

Publikováno v: Onderstepoort Journal of Veterinary Research, Volume: 86, Issue: 1, Pages: 1-8, Published: 2019
Onderstepoort Journal of Veterinary Research, Vol 86, Iss 1, Pp e1-e6 (2019)
The Onderstepoort Journal of Veterinary Research

Lake Kariba is a tropical lake with slight variations in seasonal temperature. Temperature is an important physical variable in the biology of both fish and their parasites. Currently, there is no information on the seasonal occurrence of fish parasi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46b301d788fd31c1f63f31b096459961
https://doi.org/10.4102/ojvr.v86i1.1659

Histology and ultrastructure of hepatic nodular alterations in Clarias gariepinus (Burchell, 1822)

Autor: Refilwe Lukhwareni, Cobus van Dyk

Publikováno v: Journal of fish diseases. 41(12)

This study aimed to assess the macroscopic appearance, histology and ultrastructure of liver nodular alterations in sharptooth catfish Clarias gariepinus (Burchell, 1822) from a hyper-eutrophic freshwater impoundment. The livers of 25 fish were sampl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::097a2edc11d1a2cf366423986bbb6e09
https://pubmed.ncbi.nlm.nih.gov/30294819