Results 81 to 90 of about 4,272 (196)

Hematologia e sinais clínicos de Piaractus mesopotamicus infectados experimentalmente com Aeromonas hydrophila - DOI: 10.4025/actascibiolsci.v31i1.308

open access: yesActa Scientiarum: Biological Sciences, 2009
Este ensaio teve como objetivo avaliar as respostas hematológicas e a ocorrência de sinais clínico-patológicos de Piaractus mesopotamicus infectados experimentalmente por Aeromonas hydrophila. Foram utilizados 324 pacus, P. mesopotamicus, com peso de 102,
Fabiana Garcia, Flávio Ruas Moraes
doaj   +1 more source

Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance

open access: yesFood Science &Nutrition, Volume 13, Issue 11, November 2025.
Even though histamine plays an important role in human health, it has been associated with food intoxication and intolerance episodes. The most relevant, current state of knowledge regarding histamine's biochemical and health aspects is provided. Histamine levels are provided for 17 food groups, including 335 food types and 11,437 samples, allowing ...
Maria Beatriz A. Gloria   +6 more
wiley   +1 more source

Contribution of Amino Acids in Cereal Grain Products to Precision Feed Formulation for Tambaqui (Colossoma macropomum) Using a Digestibility Approach

open access: yesJournal of Animal Physiology and Animal Nutrition, Volume 109, Issue 6, Page 1264-1272, November 2025.
ABSTRACT Although cereal grain products have low protein content, they can contribute up to 25% of total protein in low‐trophic level/omnivorous fish diets. Thus, understanding the amino acid contribution of these ingredients becomes crucial for meeting the dietary requirements of omnivorous fish.
Danilo C. Proença   +4 more
wiley   +1 more source

The administration of exogenous prostaglandin may improve ovulation in pacu (Piaractus mesopotamicus)

open access: yesTheriogenology, 2012
Based on the reports of unsuccessful ovulation in pacu (Piaractus mesopotamicus) by fish farmers and researchers undertaking artificial reproduction programs, we evaluated the use of prostaglandin F (PGF) to improve pacu ovulation. This study was conducted during two spawning seasons (2009/2010 and 2010/2011) with two samplings in the first season and ...
Criscuolo-Urbinati, E.   +3 more
openaire   +3 more sources

Structure and vascularization of the ventricular myocardium of Piaractus mesopotamicus and Clarias gariepinus (Teleostei)

open access: yes, 1999
The structural characteristics of the ventricular myocardium and the arterial distribution of the ventricular wall were studied in two freshwater teleost fish species (Piaractus mesopotamicus and Clarias gariepinus).
Vicentini, C. A.   +3 more
core   +1 more source

EFEITO DA DENSIDADE DE LOTAÇÃO E DA RENOVAÇÃO DA ÁGUA NO DESENVOLVIMENTO DO PACU (Piaractus mesopotamicus)

open access: yes, 2007
The performance of juvenile pacu, Piaractus mesopotamicus, held at three different stocking densities, 14, 28 and 42 fishes/ m³, and two levels of tanks water renovation, 1¹/2 and 3 h, with two replications, was tested in a 3 by 2 factorial design.
Pádua, Delma Machado Cantisani   +5 more
core   +1 more source

Spermiogenesis and spermatozoa ultrastructure in the Serrasalminae (Ostariophysi: Characiformes) with further evidence on the relationships of the piranhas and pacus

open access: yesNeotropical Ichthyology
Spermatozoa and spermiogenesis ultrastructure were studied in the serrasalmine species Piaractus mesopotamicus, Mylossoma duriventre, Serrasalmus maculatus, and Metynnis mola and two distinct patterns may be recognized: the first common to Mylossoma ...
Priscila Gusmão-Pompiani   +3 more
doaj   +1 more source

Production cost of tambaqui (Colossoma macropomum) and tambatinga and tambacu hybrids in net cages [PDF]

open access: yesActa Amazonica
The objective of this study was to determine the production cost of tambaqui (Colossoma macropomum) and the hybrids tambatinga (female tambaqui x male pirapitinga, Piaractus brachypomus) and tambacu (female tambaqui x male pacu, Piaractus mesopotamicus ...
Ana Carla Carvalho SILVA   +10 more
doaj   +1 more source

Biochemical parameters for Piaractus mesopotamicus, Colossoma macropomum (Characidae) and hybrid tambacu (P. mesopotamicus X C. macropomum). [PDF]

open access: yes, 2017
Estudaram-se os valores de glicose plasmática, proteína total sérica e íons séricos (cálcio, potássio, magnésio, sódio e cloreto) em jovens de Colossomoma macropomum Cuvier 1818, Piaractus mesopotamicus Holmberg 1887 e híbrido tambacu (P. mesopotamicus x
MORAES, F. R., DIAS, M. T.
core  

Ecology of the parasitic endohelminth community of Piaractus mesopotamicus (Holmberg, 1887) (Characiformes) from Aquidauana and Miranda Rivers, Pantanal, state of Mato Grosso do Sul, Brazil Ecologia da comunidade parasitária endo-helmíntica de Piaractus mesopotamicus (Characiformes) no rio Aquidauana, Pantanal, Mato Grosso do Sul, Brasil

open access: yesBrazilian Journal of Biology, 2009
In this study the structure and diversity of the endohelminth community, as well as its interactions with 73 specimens of Piaractus mesopotamicus are described.
CM. Campos   +3 more
doaj   +1 more source

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