Parasites and hepatic histopathological lesions in lisa (Mugil incilis) from Totumo mash, North of Colombia
Journal Title: Revista MVZ Cordoba - Year 2013, Vol 18, Issue 1
Abstract
Objective. To assess the levels of parasitism by nematodes and trematodes, as well as the hepatic histopathological alterations present in Mugil incilis (Lisa) from Totumo marsh, North of Colombia. Materials and methods. Between July 2004 and June 2005, 500 fish were collected at Totumo Marsh (75°16’W and 10°44´N), North of Colombia. Morphometric and parasitic parameters were determined for each specimen, and the hepatic histopathological status of the liver was assessed by analyzing liver slides stained with hematoxylin and eosin. Results. Nematode larvae isolated from Mugil incilis corresponded to Contracaecum spp. Parasite prevalence was 60.49%. Parasitic mean abundance and mean intensity were 4.8±1.05 and 7.02±1.49, nematodes per fish, respectively. The correlation between nematode mean abundance and fish length was significant and positive (r=0.525, p<0.0001), but negative for condition factor (r=-0.109, p=0.014). Hepatic histopathological analysis revealed the presence of encapsulated trematode larvae as the main finding. However, the presence of inflammation, granulomas, steatosis and necrosis, were also registered as secondary alterations. Conclusions. Lisas collected at Totumo Marsh are parasitized with nematodes and trematodes. These fish have different histopathological lesions in the liver tissue, being the most important the presence of trematode encapsulated cyst that generate inflammatory reactions, and negatively correlate with morphometric markers of fish health.
Authors and Affiliations
Jesús Olivero V, Ph. D| University of Cartagena. Faculty of Pharmaceutical Sciences. Environmental and Computational Chemistry Group. Campus of Zaragocilla. Cartagena Colombia.Corresponding author: joliverov@unicartagena.edu.co, Bárbara Arroyo S, M. Sc| University of Cartagena. Faculty of Pharmaceutical Sciences. Environmental and Computational Chemistry Group. Campus of Zaragocilla. Cartagena Colombia., Ganivet Manjarrez P, M. Sc| University of Cartagena. Faculty of Pharmaceutical Sciences. Environmental and Computational Chemistry Group. Campus of Zaragocilla. Cartagena Colombia.
Intake, digestibility and intake behaviour in cattle fed different levels of palm kernel cake
The potential use of palm kernel cake was evaluated as a replacement for soybean and corn meal in cattle feed, by investigating their intake, digestibility levels and the intake behaviour of cattle fed diets containing d...
Determination and prevalence of Mycobacterium spp., in Nile tilapia (Oreochromis niloticus) cultured in México
Objective. Determine the presence and prevalence of Mycobacterium spp., at tilapia (Oreochromis niloticus) farms in the municipality of Champotón, Campeche, Mexico. Materials and methods. The collection of organisms wa...
Association of gene BoLA DRB3.2 with production traits in a dairy herd of Antioquia, Colombia
Objective. To determine the associations of BoLA DRB3.2 alleles present in Holstein and BON x Holstein cattle to production and milk quality traits in a dairy herd of Antioquia, Colombia. Materials and methods. Ninety-on...
EVALUACIÓN DEL FRÍJOL CAUPÍ (Vigna unguiculata) COMO INGREDIENTE PROTEICO EN DIETAS PARA POLLOS DE ASADERO
Two levels of Cowpea (10 and 20%) with two different presentation (raw and cooked) were used to evaluate weight gain, feed intake and feed conversion rate in commercial broilers, compared to a control diet. There were no...
Diversity of arbuscular mycorrhizae in grass colosuana (Bothriochloa pertusa (L) A. Camus of livestock farms of the municipality of Corozal- Sucre
Characterize communities of fungi that produce arbuscular mycorrhizal (AMF) in the rhizosphere of the Colosuana grass (Bothriochloa pertusa (L). A. Camus) in cattle farms located in the municipality of Corozal, Sucre.