Results 91 to 100 of about 27,110 (186)

Molecular-cytogenetic analysis reveals sequence differences between the sex chromosomes of Oreochromis niloticus: evidence for an early stage of sex-chromosome differentiation

open access: yes, 2002
Sex determination in the Nile tilapia, Oreochromis niloticus, is primarily genetic, with XX females and XY males. A candidate sex-determining region in the terminal region of the largest chromosome pair has been identified by analysis of meiotic ...
Carrasco, L.A.P.   +11 more
core   +1 more source

Bacterial Quality and Molecular Detection of Food Poisoning Virulence Genes Isolated from Nasser Lake Fish, Aswan, Egypt

open access: yesInternational Journal of Food Science
The microbial analysis of fish is critical for ensuring overall health. Uncooked fish can serve as a conduit for transmitting several types of microbes; the current investigation sought to assess the bacterial levels in various kinds of fish from Nasser ...
Nady Khairy Elbarbary   +10 more
doaj   +1 more source

Modelos preditivos como ferramentas para estimar a quantidade de protozoários parasitos em peixes [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Aquicultura, Florianópolis, 2011Protozoários parasitos são causadores de mortalidade em peixes cultivados, porém existe um número ...
Gonçalves, Eduardo Luiz Tavares
core  

Triploidy induction in Nile tilapia, Oreochromis niloticus L. using pressure, heat and cold shocks

open access: yes, 1991
The results of a study aimed at the identification of treatment optima for triploidy induction in recently fertilised Oreochromis niloticus L. eggs by altering the intensity, duration and timing of application of pressure, heat and cold shocks are ...
Hussain, M Gulam   +3 more
core   +1 more source

Application of Proteoglycan from Oreochromis niloticus Cartilage in Silk fibroin/gelatin Scaffold for In vitro Wound Treatment

open access: yesJournal of Health Science and Medical Research (JHSMR), 2015
Objective: To prepare silk fibroin/gelatin scaffold containing epidermal growth factor-like proteoglycan extracted from Oreochromis niloticus cartilage and characterize physical, chemical and biological properties of prepared scaffolds.
Panya Weerawatkapong, Pornanong Aramwit
doaj  

Toxicidade aguda de herbicidas a tilápia (Oreochromis niloticus) Acute toxicity to herbicides to Oreochromis niloticus

open access: yesPlanta Daninha, 2009
Esta pesquisa teve como objetivo avaliar a sensibilidade de alevinos de Oreochromis niloticus a diversos herbicidas. Para isso, foram realizados dois ensaios, sendo, no primeiro, avaliadas concentrações de atrazina (0; 2,5; 5; 10; e 20 mg L-1), visando a determinação da concentração letal a 50% dos indivíduos (CL50), e, no segundo, a sensibilidade às ...
R.G. Botelho   +4 more
openaire   +1 more source

Broodstock management and seed production of tilapia and carp

open access: yes, 1988
Bighead (Aristichthys nobilis) and silver (Hypophthalmichthys molitrix) carps were reared in ponds, pens and floating cages in Laguna Lake until maturity. Spontaneous gonadal maturation and rematuration of carp broodstock occurred within 2-2.5 years with
Fermin, Armando C.
core  

SEAFDEC contribution to the ecological awareness of Philippine Lakes

open access: yes, 2001
Since 1976 the Aquaculture Department of the Southeast Asian Fisheries Development Center (SEAFDEC/AQD), through its Binangonan Freshwater Station has been continuously involved in research on various aspects of inland waters, with emphasis on Laguna de ...
Platon, Rolando R.
core  

Allozyme variation in natural and cultured populations in two tilapia species: Oreochromis niloticus and Tilapia zillii

open access: yes, 1996
We investigated the electrophoretic polymorphism at 30 protein loci in 27 wild and cultured populations of two tilapia species, Tilapia zillii and Oreochromis niloticus.
Xavier Rognon   +7 more
core   +1 more source

Study on Toxicity of Oreochromis Niloticus with Aflatoxinb1 [PDF]

open access: yesEgyptian Journal of Aquatic Biology and Fisheries, 2013
Sherif H., Abdel-Maksoud A., Shukry M.
openaire   +1 more source

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