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Parasitism by Monogenoidea in Piaractus mesopotamicus (Characiformes, Characidae) cultivated in Paraná River (Brazil) [PDF]

open access: yesBrazilian Journal of Biology, 2017
This study investigated the occurrence, prevalence, mean abundance and mean intensity of monogenoidean parasites in Piaractus mesopotamicus farmed in cages in the reservoir of the Itaipu Hydroelectric Power Station, Paraná River, Brazil.
M. S. L. Leão   +4 more
doaj   +2 more sources

New host records and description of the egg of Anacanthorus penilabiatus (Monogenea, Dactylogyridae)

open access: yesMemorias do Instituto Oswaldo Cruz, 2001
Anacanthorus penilabiatus is referred parasitizing the type-host Piaractus mesopotamicus (Serrasalmidae) and two new hosts, Colossoma macropomum and C.
MC Pamplona-Basilio, A Kohn, VA Feitosa
doaj   +1 more source

New species of Proteocephalus (Cestoda - Proteocephalidae) parasitic in fishes from the Paraná River, Paraná, Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 1995
Two species of the genus Proteocephalus (Cestoda: Proteocephalidae) were collected in fishes from the Paraná River. Proteocephalus vazzolerae n. sp. from Piaractus mesopotamicus and Proteocephalus chubbi, n. sp.
Gilberto C. Pavanelli   +1 more
doaj   +1 more source

Ocular Morphology and Clinical Ophthalmic Parameters of Nile Tilapia Oreochromis niloticus

open access: yesVeterinary Ophthalmology, Volume 29, Issue 2, March 2026.
ABSTRACT Objective To describe the ocular morphological characteristics and establish clinical and ophthalmic reference standards for Nile tilapia. Animals Studied Fresh carcasses were used for diaphanization, optical and electron microscopy, and computed tomography analyses.
Dandara Franco Ferreira da Silva   +12 more
wiley   +1 more source

Cross-amplification of heterologous microsatellite markers in Piracanjuba

open access: yesCiência Rural, 2017
: Brycon orbignyanus, popularly known in Brazil as piracanjuba, is a fish with great economic value but whose natural population drastically decreased in number during the last years.
Pedro Luiz de Castro   +8 more
doaj   +1 more source

EFEITO DO PROCESSAMENTO DE DIETAS COM DIFERENTES NÍVEIS DE CARBOIDRATOS E LIPIDEOS SOBRE A COMPOSIÇÃO CORPORAL E PERFIL DE ÁCIDOS GRAXOS DO FILÉ DO PACU (Piaractus mesopotamicus)

open access: yesCiência Animal Brasileira, 2013
The objective of this study was to evaluate the effect of extruded or pelletized diets on the condition factor, body composition and fatty acid composition of Piaractus mesopotamicus.
Claucia Aparecida Honorato   +3 more
doaj  

Estimulantes alimentares para larvas de pacu Feeding stimulants for pacu lavae

open access: yesRevista Brasileira de Zootecnia, 2011
Este estudo foi realizado com o objetivo de investigar o efeito estimulante de cinco aminoácidos (alanina, arginina, glicina, histidina e lisina) da betaína e de suas misturas sobre a taxa de ingestão de dieta microencapsulada durante o desenvolvimento ...
Marcelo Borges Tesser   +1 more
doaj   +1 more source

Practical Diets Formulated With Different Plant‐Based Energy Ingredients Modulate Nutrient Utilization and Gut Morphology in Tambaqui (Colossoma macropomum)

open access: yesAquaculture Nutrition, Volume 2026, Issue 1, 2026.
Despite the increasing use of plant‐based energy ingredients in aquaculture, few studies have evaluated the digestibility of practical diets formulated with these ingredients in an integrated manner with the metabolic responses, intestinal health, and productive performance of fish. This limits the understanding of their nutritional effects. This study
Jeisson Emerson Casemiro Ferrari   +6 more
wiley   +1 more source

Metabolic Responses to Cyclic Fasting in Juvenile Turbot (Scophthalmus maximus)

open access: yesAquaculture Nutrition, Volume 2026, Issue 1, 2026.
Feed accounts for the majority of aquaculture production costs, making strategies that reduce feed input without compromising growth economically attractive. This 72‐day study evaluated the effects of cyclic fasting regimens on growth, body composition, and liver transcriptome in juvenile turbot (initial body weight 5.54 g).
Haiyan Xiong   +9 more
wiley   +1 more source

Influence of aquatic plants on the predation of Piaractus mesopotamicus larvae by Pantala flavescens - doi: 10.4025/actascibiolsci.v32i2.5167

open access: yesActa Scientiarum: Biological Sciences, 2010
The experiment aimed to study the influence of the aquatic plants E. najas, P. stratiotes and S. auriculata on the predation of P. mesopotamicus larvae by P. flavescens. One hundred and twenty larvae of P. mesopotamicus and 24 larvae of P.
Carlos Henrique Figueiredo Lacerda   +3 more
doaj   +1 more source

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