HATASO Journal Management System

Volume 10,Issue 2019, 2019

May-10-2021

Volume 10, Year 2019

The Salmon Sea Fish Farming Industry in Iceland A review

Dietary Tridax procumbens Meal Improved Growth and Hematology Profiles of African Catfish, Clarias gariepinus juveniles

The effects of Tridax procumbens supplemented into the experimental diets at different inclusion levels of Clarias gariepinus juvenile fish with mean weight 42.87  0.92 g for 56 days were investigated for growth performance and hematology profile. Ten fishes each were distributed to five treatments that contained 0, 0.05, 0.10, 0.15, and 0.20% of T. procumbens leaf meal, separately. Each treatment was replicated three times, and the fishes were fed with diets according to treatments. Physicochemical properties were monitored weekly; feeding was carried out in the morning (8:00-8:30 am) and evening (4:00-4:30 pm) daily. Routine monitoring and mortality occurrences were recorded. The growth of fish was assessed fortnightly on randomly selected fish samples, and morphometric measurements on length and weight gain of fish were assessed. Hematology examination of fish was assessed fortnightly. The results revealed that water parameters ranged within recommended limits. Fish fed inclusion level of 0.10% of T. procumbens leaf meal-based diet had the best growth weight (37.20  0.82 g). Hematology analysis shows fish fed with a diet containing 0.05% of T. procumbens to be the best: packed cell volume (PCV) (31.00  3.00%) and red blood cell (RBC) (3.43  0.33  106 ). However, a decrease in the hematology indices from fishes fed with 0.15% of T. procumbens was as follows: PCV (21  3.00%) and RBC (2.38  0.33  106 ). Highest white blood cell (WBC) was recorded in fish fed 0.15% (8100  900) and least in fish fed 0.20% (5300  500). Moreover, there is no significant difference (p  0.05) in PCV, hemoglobin (Hb), WBC, RBC, mean cell hemoglobin concentration (MCHC), mean cell hemoglobin (MCH), mean corpuscular volume (MCV), neutrophil (NEU), and lymphocyte (LYM) of the fish samples in the varying treatments; however, there was significant difference (p  0.05) in the monocyte (MON) and eosinophils (EOS). The fish were found to have developed antibodies to fight disease conditions, which enable robust growth performance and good health status

Liver Enzyme Activity of Tilapia zillii and Mugil capito Collected Seasonally from Qarun Lake, Egypt

Optimization of Spirulina Platensis Biomass and Evaluation of its Protective Effect Against Chromosomal Aberrations of Bone Marrow Cells

Ovarian Development of the Penaeid Shrimp Penaeus Indicus (Decapoda): A Case for the Indian Ocean Coastal Waters of Kilifi Creek, Kenya

The Indian prawn Penaeus indicus, is one of the major commercial shrimp species globally. It is widely distributed in the Indo-West Pacific; from eastern and south-eastern Africa, through India, Malaysia and Indonesia to southern China and northern Australia. The species has been recorded to reach 22 cm, inhabiting depths of 100 m. Globally P. indicus is widely studied, although majority of the studies have focused on developmental stages between shallow waters and the deep seas. Studies indicate that development takes place in the sea before the larvae move into estuaries to grow, then return as sub-adults. However, studies on the maturity of this species in shallow waters and especially creeks and embayments are clearly lacking for the Kenyan coastline. This study was conducted in the Kilifi Creek, north coast Kenya, from the mouth at the Kilifi Bridge to past Kibokoni, some 5 km into the creek. Samples were collected from 6 landing sites. Morphometric and biological data including total length (TL, cm), carapace length (CL, cm), body weight (BW, g) and sex were recorded, and the specimens dissected to check for ovarian development and maturity. Ovarian development stages were determined from size, shape and colour of the ovaries, and through frequency analysis of the cortical granules. A total of 1,149 specimens were sampled from January to April, 2018. The catch mostly comprised of the 1.5 cm to 2.5 cm CL size class. However some individuals in the >4.0 cm CL size class were also recorded suggesting that some individuals still matured in the creeks although majority are known to migrate deep sea. Regression analysis showed a strong positive correlation between CL, and TL (r2=0.7548) and BW (r2=0.7497).The condition factor ranged from 0.19-0.94 indicating presence of both immature/spent (4.7%) and ripe individuals (95.3%) in good condition. Size frequency analysis of the ovary cortical granules displayed a poly-modal pattern with 2 peaks of immaturity and 3 peaks for developing and near-ripe respectively. The presence of spent stages as well as mature specimens in the creek waters indicated that apart from using these habitats as nursery and feeding grounds, some of the individuals might also be growing, maturing and spawning in the creek, calling for further studies into the assessment of the growth patterns and reproductive aspects of this species in the Kilifi Creek and other coastal waters.

Some Targeted Reference Points for Thin Lip Grey Mullet Liza Ramada Management in Bardawil Lagoon, North Sinai, Egypt

Stomach Content Analysis and Concentrations of Chemical Pollutants in the Clymene Dolphin (Stenella Clymene, Gray 1846) from the Coastal Waters of Ghana

The Effects of Different Stunning Techniques on Meat Quality of Brown Trout (Salmo Trutta Fario)

Edwardsiella Species Infection in Fish Population and Its Status in Ethiopia

Effects of Dietary Yeast Extract Levels on Growth Performance, Digestibility and Antioxidant Capacity of the Taiwan Loach

Growth Performance of the African Catfish, Clarias gariepinus (Burchell), Fed Varying Inclusion Levels of Castor Seed (Ricinus communis L.)

Optimum Harvest Time of the Nile Tilapia (Oreochromis niloticus) in Honduras: A Two Step OLS Procedure to Obtain the Growth Function

Studies on the Physicochemical Properties of Ebonyi River in Ebonyi State, Nigeria and on the Abundance of Benthic Fauna during the Rainy Season

Effects of Dietary Yeast Extract Levels on Growth Performance, Digestibility and Antioxidant Capacity of the Taiwan Loach

Chemical and Microbial Quality Assessments of Some Economic Important Artisanal Fresh Water Fish Species (Tilapia zilli, Clarias gariepinus, Chrysichthys nigrodigitatus and S. melanotheron) in Selected Coastal Markets of Lagos State, Nigeria

Nutritional qualities of some selected fresh water fish species sold for consumption in the Badagry, Epe, Ikorodu and Ojo areas of Lagos state, Nigeria was assessed to ascertain the wholesomeness and health risk associated with consuming the most common sort after fish in these locations. A total of 100 fish samples, Red belly Tilapia (T. zilli), African Mud Catfish (C. gariepinus), Silver Catfish (C. nigrodigitatus) and Black Chin Tilapia (S. melanotheron) (25 specimens each) with a weight ranges between 50-180 g, were collected from different locations. The samples were iced and taken to the Biochemistry and Pharmaceutical laboratory sections of the College of Medicine University of Lagos, Idi-Araba, Lagos, Nigeria. The iced samples were maintained in alternate layers of ice until spoilage was noticed. Chemical analysis was conducted using Spectrophotometer, Atomic Absorption Spectrophotometer, Sohxlet Extraction Apparatus, Thiobarbituric Acid (TBA), The Acid Value (AV), Peroxide Value (PV), Iodine value, Free Fatty Acids (FFA) and Saponification value were determined. The result indicates higher TBA (8.79 ± 0.05), (7.59 ± 0.06), (7.46 ± 0.04) and (6.99 ± 0.05) for T. zilli, C. nigrodigitatus, S. melanotheron and C. gariepinus respectively in Ojo Lagoon, higher iodine value (9.69 ± 0.01) for T. zilli in Ojo Lagoon; (8.75 ± 0.21), (9.35 ± 0.07) and (8.45 ± 0.07) for C. nigrodigitatus, S. melanotheron and C. gariepinus respectively in Epe Lagoon and the acid values (3.31 ± 0.04), (2.45 ± 0.04) and (3.79 ± 0.04) for T. zilli, C. nigrodigitatus and S. melanotheron respectively in Badagry Lagoon and (2.25 ± 0.04) in Ojo Lagoon were within the standard limits. Higher mean mould load recorded were (1.22×104), (1.78×103), (1.90×103) for C. gariepinus, S. melanotheron and T. zilli respectively in Ikorodu Lagoon, while (3.47×103) was recorded for C. nigrodigitatus in Badagry Lagoon. The results indicated a notable quality improvement leading to a high quality fish in terms of the taste, colour, odour, shelf life and market value. The high iodine value recorded in this study from different locations suggests that the fish species contain high level of unsaturated oil and as such could reduce the risk of heart diseases, high cholesterol, depression, anxiety, low immunity, cancer, eye disorders and ulcers in humans when consumed. None of the fish samples exceeded the mould load limit for fish thereby exhibiting no risk on public health; therefore the fish are wholesome and safe for human consumption.

Volume 10,Issue 2019, 2019

May-10-2021

The Salmon Sea Fish Farming Industry in Iceland A review

Dietary Tridax procumbens Meal Improved Growth and Hematology Profiles of African Catfish, Clarias gariepinus juveniles

Liver Enzyme Activity of Tilapia zillii and Mugil capito Collected Seasonally from Qarun Lake, Egypt

Optimization of Spirulina Platensis Biomass and Evaluation of its Protective Effect Against Chromosomal Aberrations of Bone Marrow Cells

Ovarian Development of the Penaeid Shrimp Penaeus Indicus (Decapoda): A Case for the Indian Ocean Coastal Waters of Kilifi Creek, Kenya

Some Targeted Reference Points for Thin Lip Grey Mullet Liza Ramada Management in Bardawil Lagoon, North Sinai, Egypt

Stomach Content Analysis and Concentrations of Chemical Pollutants in the Clymene Dolphin (Stenella Clymene, Gray 1846) from the Coastal Waters of Ghana

The Effects of Different Stunning Techniques on Meat Quality of Brown Trout (Salmo Trutta Fario)

Edwardsiella Species Infection in Fish Population and Its Status in Ethiopia

Effects of Dietary Yeast Extract Levels on Growth Performance, Digestibility and Antioxidant Capacity of the Taiwan Loach

Growth Performance of the African Catfish, Clarias gariepinus (Burchell), Fed Varying Inclusion Levels of Castor Seed (Ricinus communis L.)

Optimum Harvest Time of the Nile Tilapia (Oreochromis niloticus) in Honduras: A Two Step OLS Procedure to Obtain the Growth Function

Studies on the Physicochemical Properties of Ebonyi River in Ebonyi State, Nigeria and on the Abundance of Benthic Fauna during the Rainy Season

Effects of Dietary Yeast Extract Levels on Growth Performance, Digestibility and Antioxidant Capacity of the Taiwan Loach

Chemical and Microbial Quality Assessments of Some Economic Important Artisanal Fresh Water Fish Species (Tilapia zilli, Clarias gariepinus, Chrysichthys nigrodigitatus and S. melanotheron) in Selected Coastal Markets of Lagos State, Nigeria

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