scholarly journals THE IMPACT OF DIFFERENT STOCKING DENESITIES AND DIETARY PROTEIN LEVELS ON THE PERFORMANCE OF AFRICAN CATFISH (Clarias gariepinus) FINGERLINGS

2019 ◽  
Vol 56 (22-Suppl) ◽  
Author(s):  
Fawzy Magouz ◽  
Malik Khalafalla ◽  
Eman Moustafa ◽  
Amir Sadek
Keyword(s):  
Dietary Protein ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Protein Levels ◽  
The Impact

Impact of Ogun River pollution on antioxidants and proximate composition of African catfish (Clarias gariepinus)

2019 ◽  
Vol 46 (3) ◽  
pp. 163-184
Author(s):  
B. O. Onunkwor ◽  
T. O. Akinpelu ◽  
O. J. Oladipupo ◽  
R. N. Ugbaja ◽  
O. J. Olaoye ◽  
...  
Keyword(s):  
Proximate Composition ◽  
Clarias Gariepinus ◽  
Chemical Properties ◽  
Oxygen Demand ◽  
Control Fish ◽  
Average Weight ◽  
African Catfish ◽  
Fish Samples ◽  
The Impact ◽  
Ogun River

Most rivers in Nigeria are polluted without conscious efforts to abate ensuant consequences. Thus, Clarias gariepinus, an aquatic commercial food from Ogun River, Nigeria, was studied to investigate the impact of pollution on antioxidants and proximate composition. During the rainy season, 50 C. gariepinus (average weight 426.53 ± 24.40g and length 37.73 ± 0.95cm) were site sampled, 10 from each of Ago-Odo, Ago-Ika, Oke-Sokori, and Quarry along Ogun River course. Ajegunle-Adao cultured pond, served as control. The parameters assayed for included: some heavy metals and physico-chemical properties of sampled water, antioxidants and proximate composition of the fish samples. Physicochemical parameters of river studied showed that temperature of all sites ranged from 26 to 29°C, pH: 6.9 to 7.8, dissolved oxygen: 9.5 to 21.6, biochemical oxygen demand: 3.60 to 14.10, and chemical oxygen demand: 60 to 650. Lead (Pb) concentration ranged from 4.0 to 17.0 μg/L and cadmium (Cd): 0.0 to 6.0 μg/L. Blood Pb, Cd, activities of: superoxide dismutase, catalase, glutathione-S-transferase, plasma xanthine oxidase, and lipid peroxidation level of fish samples from Ago-Ika were most significantly (p < 0.05) high, with significant (p < 0.05) lowest reduced glutathione concentration amongst the samples from polluted sites when compared to control fish. Proximate analysis showed that the fish samples from Ogun River had significantly (p < 0.05) lower protein, fat contents, and higher nitrogen-free extract while Ago-Ika, Oke-Sokori and Quarry sites had significantly (p < 0.05) lower moisture, ash and fibre contents when compared with control. It can be concluded that the impact of pollution induced oxidative stress and significantly diminished the nutritional value of C. gariepinus from Ogun River.

scholarly journals Dietary supplementation of organic selenium to improve growth performance and protein utilization in African catfish fed with different protein level diets

2021 ◽  
Vol 20 (2) ◽  
pp. 130-138
Author(s):  
Giri Maruto Darmawangsa ◽  
Muhammad Agus Suprayudi ◽  
Nurbambang Priyo Utomo ◽  
Julie Ekasari
Keyword(s):  
Growth Performance ◽  
Dietary Protein ◽  
Protein Level ◽  
Dietary Supplementation ◽  
High Protein ◽  
Utilization Efficiency ◽  
African Catfish ◽  
Protein Utilization ◽  
Organic Selenium ◽  
Protein Levels

This study aimed to evaluate the effect of organic selenium supplementation on diet with different protein levels on the growth performance and protein utilization of African catfish juvenile. A randomized 2×3 factorial design with two dietary protein levels (27% and 32%) and three dietary selenium (Se) supplementation levels (0 mg/kg, 3 mg/kg, and 6 mg/kg diet) in triplicates were applied in the study. African catfish juvenile with an initial average body weight and body length of 27.00 ± 0.14 g and 15.0 ± 0.5 cm, respectively, was reared in 18 units of aquarium (141 L) at a density of 142 fish/m3 for a rearing period of 40 days. Increasing organic Se supplementation level up to 6 mg/kg at high protein feed resulted in higher fish growth and final biomass, lower FCR, and higher protein utilization efficiency than those of other treatments.  Furthermore, supplementation of organic Se also resulted in lower lipid and higher Se concentrations in the fish body as well as higher blood protein level compared to those of the control. In conclusion, the result of this study suggested that dietary supplementation of organic Se up to 6 mg/kg could enhance the growth and protein utilization in African catfish fed with both low and high protein diet.   Keywords: African catfish, growth, dietary protein, protein utilization, organic selenium.   ABSTRAK   Penelitian ini bertujuan mengevaluasi pengaruh suplementasi selenium organik pada pakan dengan kadar protein yang berbeda terhadap kinerja pertumbuhan dan pemanfaatan protein pakan ikan lele Clarias gariepenus. Penelitian didesain menggunakan rancangan acak lengkap faktorial 2×3 dengan dua tingkat protein pakan (27% dan 32%) dan tiga tingkat suplementasi selenium (Se) pakan (0 mg/kg, 3 mg/kg, dan 6 mg/kg diet) sebanyak tiga ulangan. Ikan lele yang digunakan memiliki bobot awal rata-rata dan panjang tubuh 27 ± 0.14 g dan 15.0 ± 0.5 cm, dipelihara dalam 18 unit akuarium (141 L) dengan kepadatan 142 ekor/m3 selama 40 hari pemeliharaan. Peningkatan suplementasi Se organik hingga 6 mg/kg pada ikan yang diberi pakan protein tinggi menghasilkan kinerja pertumbuhan ikan dan biomassa akhir yang lebih tinggi, FCR yang lebih rendah, dan efisiensi pemanfaatan protein pakan yang lebih tinggi daripada perlakuan lain. Selain itu, suplementasi Se organik juga menghasilkan kadar lemak yang lebih rendah dan konsentrasi Se tubuh yang lebih tinggi serta kadar protein darah yang lebih tinggi. Kesimpulan dari penelitian ini yaitu suplementasi Se organik pada pakan hingga 6 mg/kg dapat meningkatkan kinerja pertumbuhan dan pemanfaatan protein pakan pada ikan lele yang diberi pakan dengan kadar protein rendah dan tinggi.   Kata kunci: ikan lele, pertumbuhan, protein pakan, pemanfaatan protein, selenium organik.

Interaction between different protein levels in the diet and infection with Haemonchus placet in calves under tropical condition.

1998 ◽  
Vol 1998 ◽  
pp. 171-171
Author(s):  
H. Louvandini ◽  
A. L. Abdalla ◽  
S. M. Gennari
Keyword(s):  
Dietary Protein ◽  
Protein Intake ◽  
Tropical Condition ◽  
Protein Levels ◽  
Host Metabolism ◽  
The Impact

Haemonchosis in cattle represents one of the biggest problem in Brazil, where an wide variations in dietary protein can be observed in pastures throughout the year. It is thought that this variation in protein intake might have influences on the impact of the parasite host metabolism arid productivity. This experiment was conducted to investigate the influence of dietary protein and the infection with Haemonchus placet upon parasitological parameters in growing calves.

The impact of elevated water ammonia concentration on physiology, growth and feed intake of African catfish (Clarias gariepinus)

Aquaculture ◽  
2010 ◽  
Vol 306 (1-4) ◽  
pp. 108-115 ◽  
Author(s):  
Edward Schram ◽  
Jonathan A.C. Roques ◽  
Wout Abbink ◽  
Tom Spanings ◽  
Pepijn de Vries ◽  
...  
Keyword(s):  
Feed Intake ◽  
Clarias Gariepinus ◽  
Ammonia Concentration ◽  
African Catfish ◽  
Elevated Water ◽  
The Impact

The impact of changing dietary Na/K ratios on growth and nutrient utilisation in juvenile African catfish, Clarias gariepinus

Aquaculture ◽  
2001 ◽  
Vol 198 (3-4) ◽  
pp. 293-305 ◽  
Author(s):  
Yueming Dersjant-Li ◽  
Sheng Wu ◽  
Martin W.A Verstegen ◽  
Johan W Schrama ◽  
Johan A.J Verreth
Keyword(s):  
Clarias Gariepinus ◽  
African Catfish ◽  
Nutrient Utilisation ◽  
The Impact

scholarly journals Rising Temperature Effects on Growth and Gastric Emptying Time of Freshwater African Catfish (Clarias Gariepinus) Fingerlings

Animals ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 3497
Author(s):  
Sonia Mohd Kasihmuddin ◽  
Mazlan Abd. Ghaffar ◽  
Simon Kumar Das
Keyword(s):  
Gastric Emptying ◽  
Water Temperature ◽  
Growth Performance ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Food Conversion ◽  
Gastric Emptying Time ◽  
The Impact ◽  
Limited Scope ◽  
Emptying Time

The present study was carried out to analyse the effect of water temperature on two components: (1) growth performance, and (2) gastric emptying time (GET) of African catfish Clarias gariepinus fingerlings. After 70 days, it was observed that experimental temperatures had no significant effects on the growth performance parameters, except for food conversion ratio (FCR) and food conversion efficiency (FCE). GET observation through X-radiography denoted that the shortest GET (10 h) was observed in fish reared at 32 °C and the longest GET (16 h) was observed in fish reared at 26 °C. The rapid digestion rate coincides with the FCR and FCE obtained in this study. Considering the limited scope of our study, more extensive studies on the impact of water temperature on other fish physiological parameters should be pursued. A better understanding of this research topic would be beneficial for the growth of African catfish fingerling aquaculture.

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