The objective of this study was to evaluate the effect of digestible Protein to Energy ratio (P/E) on growth performance, body composition and enzymatic digestive activity of juvenile tilapia (Oreochromis niloticus x O. mossambicus) reared in seawater. Six diets were evaluated (30, 23, 20, 15, 10 and 8 P/E) on the growth, digestibility, body composition and enzymatic digestive activity of juven...

Actin-encoding cDNAs of Nile tilapia (Oreochromis niloticus) were isolated by RT-PCR using total RNA samples of different tissues and further characterized by nucleotide sequencing and in silico amino acid (aa) sequence analysis. Comparisons among the actin gene sequences of O. niloticus and those of other species evidenced that the isolated genes present a high similarity to other fish and oth...

The transfer of the genomic resources developed in the Nile tilapia, Oreochromis niloticus, to other Tilapiines sensu lato and African cichlid would provide new possibilities to study this amazing group from genetics, ecology, evolution, aquaculture, and conservation point of view. We tested the cross-species amplification of 32 O. niloticus microsatellite markers in a panel of 15 species from ...

Wang W., Li Z., Liu J.-Z., Wang Y.-J., Liu S.-H., Sun M. (2013): Comparison between thermal hydrolysis and enzymatic proteolysis processes for the preparation of tilapia skin collagen hydrolysates. Czech J. Food Sci., 31: 1–4 The tilapia (Oreochromis niloticus) skin hydrolysate was produced by thermal or enzymatic hydrolysis processes. Several product characteristics were studied such as the av...

An investigation on the effect of the heavy metal, cadmium sulphate (CdSo4) on the gill, liver and kidney of the Tilapia mossambica was carried out in the laboratory. Sixty fishes were exposed to continuous exposure to sub-lethal concentrations (0.084mg/l) of cadmium sulphate for a period of 20 days. The gill, liver and kidney of fish were removed for histological examination. The results showe...

The number of fishes were conducted a series of bacteriological examinations to confirm the clinical symptoms that appeared and led to streptococcal infection. Results of the external examination from two moribund red tilapia found the hemorrhagic traces in some parts of the body such as the cranial area near the mouth, eyes, operculum, and some body parts and erosion on the tail, pectoral, and...

Chromium Tannery effluent Oxygen consumption Liver Muscle Tilapia mossambica

Vianen, Gerjanne J., Peter P. Obels, Guido E. E. J. M. van den Thillart, and Johan Zaagsma. -Adrenoceptors mediate inhibition of lipolysis in adipocytes of tilapia (Oreochromis mossambicus). Am J Physiol Endocrinol Metab 282: E318–E325, 2002; 10.1152/ajpendo.00187.2001.—The regulation of triglyceride mobilization by catecholamines was investigated in the teleost fish Oreochromis mossambicus (ti...

Proteins from tilapia frame and skin can potentially be precursors of antihypertensive peptides according to the result of BIOPEP analyses. The aim was to generate peptides with inhibitory effects against angiotensin-converting enzyme (ACE) and renin from tilapia frame and skin protein isolates (FPI and SPI). The most active hydrolysate was then tested for blood pressure-lowering ability in spo...

Fish cell cultures are becoming more widely used models for investigating molecular mechanisms of physiological response to environmental challenge. In this study, we derived two immortalized Mozambique tilapia (Oreochromis mossambicus) cell lines from brain (OmB) and lip epithelium (OmL), and compared them to a previously immortalized bulbus arteriosus (TmB) cell line. The OmB and OmL cell lin...