scholarly journals Remediative roles of vitamins a, c and e on some growth parameters of Clarias gariepinus (Burchell, 1822) fingerlings exposed to lead nitrate in semi-static system

2021 ◽  
Vol 9 (6) ◽  
pp. 297-308
Author(s):  
Patrick Ozovehe Samuel ◽  
Francis O Arimoro ◽  
Adesola V Ayanwale ◽  
Hadiza L Mohammad
Keyword(s):  
Growth Parameters ◽  
Clarias Gariepinus ◽  
Lead Nitrate ◽  
Static System

scholarly journals Pola dan Parameter Pertumbuhan Ikan Tangkapan Dominan (Oreochromis niloticus, Osteochilus sp. dan Xiphophorus helleri) di Danau Buyan Bali

2017 ◽  
Vol 4 (2) ◽  
pp. 204 ◽  
Author(s):  
I Made Suma Krisna Sravishta ◽  
I Wayan Arthana ◽  
Made Ayu Pratiwi
Keyword(s):  
Growth Pattern ◽  
Oreochromis Niloticus ◽  
Growth Parameters ◽  
Clarias Gariepinus ◽  
Macrobrachium Rosenbergii ◽  
Growth Parameter ◽  
Growth Patterns ◽  
K Value ◽  
Xiphophorus Helleri ◽  
L Value

Bali Province has four lakes one of them is Buyan Lake. The benefits of Buyan Lake are as a reserve of water used to flow agriculture, settlements and for tourism attraction. In addition there is also the potential of Buyan Lake natural resources of fish is quite abundant. But there are threats arising from the utilization in Buyan Lake so it is feared to disrupt the growth of fish. Therefore it is necessary to do research concern with growth pattern and parameter of dominant catch fish in Buyan Lake. The aimed of this research was to determined the composition of fish catches, estimate the frequency distribution of fish catches and estimate growth patterns and growth parameters of dominant catch fish in Buyan Lake. This research was conducted from February to March 2017. There were nine species captured during observation such as Oreochromis niloticus, Osteochilus sp., Xiphophorus helleri, Rasbora lateristriata, Cyprinus carpio L, Amatitlania nigrofasciata, Puntius sp., Clarias gariepinus and Macrobrachium rosenbergii. The growth pattern of Oreochromis niloticus, Osteochilus sp. and Xiphophorus helleri in Lake Buyan have the same growth pattern that were allometric negative (b <3).  Oreochromis niloticus growth parameter obtained L? of 255.1926 mm, K value of 0.2833, t0 value of -0.3260, Osteochilus sp. growth parameter obtained L? value of 251.3837 mm, K value of 0.5261 t0 value of -0.1697, Xiphophorus helleri growth parameter obtained L? value of 82.5826 mm, K value of 0.2379, t0 value of -0.5338. Osteochilus sp. had the highest growth coefficient of 0.5261.

Effects of replacing fish meal with cockroach (Periplaneta americana) meal in the diet of African catfish (Clarias gariepinus) fingerlings

2020 ◽  
Vol 34 (2) ◽  
pp. 133-142
Author(s):  
A.M. Orire ◽  
G.B. Fasomo ◽  
M.A. Haruna
Keyword(s):  
Crude Protein ◽  
Periplaneta Americana ◽  
Fish Meal ◽  
Growth Parameters ◽  
Control Diet ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Meal Protein ◽  
Inclusion Level ◽  
Net Protein

This research investigated the growth performance of Clarias gariepinus fingerlings (mean weight 1.130.3g) fed cockroach meal (CM) as replacement for fish meal (FM). The fish were fed with three diets containing 45% crude protein; diet 1 (control 0% CM and 0% FM) diet 2 (10% FM, 0% CM), diet 3 (10% CM, 0% FM) for 56 days. The results showed significant differences (p<0.05) for the growth parameters evaluated for the treatments. Cockroach meal-based diet gave the best results in terms of mean weight gain (1.39+0.39g), food conversion ratio (2.54+0.15), specific growth rate (1.440.29%/day), protein efficiency ratio (0.87±0.20), apparent net protein utilization (16.23±7.19) and survival rate of 62%. This was followed by fish meal-based diet while the control diet gave a significantly (p<0.05) lower values. It can be concluded from the study that cockroach meal can substitute fish meal at 10% inclusion level. However, further study can be conducted for higher inclusion levels of cockroach meal in the diets of C. gariepinus. Keywords: Insect meal, protein, catfish, feed, growth.

scholarly journals Culture Pond Influences the Growth and Survival of Clarias gariepinus Fingerlings reared in Poly and Monoculture

2021 ◽  
pp. 22-28
Author(s):  
L. U. Onyia ◽  
I. J. Ochokwu ◽  
I. J. Bargudu
Keyword(s):  
Growth Rate ◽  
Growth Parameters ◽  
Block Design ◽  
Clarias Gariepinus ◽  
Stocking Density ◽  
Physical Space ◽  
Single Species ◽  
Growth And Survival ◽  
Significant Difference ◽  
Earthen Ponds

Monoculture is the rearing of single species of fish in a pond while polyculture is the farming of two or more species in the same physical space. This study aims to compare the growth parameters of Clarias gariepinus fingerlings in monoculture and polyculture, using concrete and earthen ponds in a randomized complete block design. The polyculture, comprised of Clarias gariepinus and Oreochromis niloticus. 480 fingerlings were used; the stocking density was 40fish in a 3x2x1.5m depth with initial weight (4.84±0.11547) for C. gariepinus in monoculture and 40 each in polyculture with an initial pooled weight of O. niloticus (50g) replicated thrice, it was fed for eight weeks with commercial feed (40% crude protein). Weekly, random sampling was done to measure the growth and adjust the feeding rate. The results revealed that polyculture has the best mean final weight (160.07±0.18559g) and weight gain of 155.29, while the highest total length (45.666±3.179) was recorded in monoculture for Clarias gariepinus reared in an earthen pond. The polyculture had the highest specific growth rate (2.46), Relative growth rate (246.49), and condition factor (0.184). There was a significant difference (P<0.05) in monoculture of both concrete and earthen ponds.

Comparative effects of ovaprim and pituitary hormone on the inducement, hatchability, survival and growth performance of Clarias gariepinus

2020 ◽  
Vol 34 (2) ◽  
pp. 125-131
Author(s):  
C.C. Ikechukwu ◽  
C.I. Nsofor ◽  
C.F. Ikeogu ◽  
H.F. Ogbonnaya
Keyword(s):  
Weight Gain ◽  
Growth Parameters ◽  
Low Cost ◽  
Clarias Gariepinus ◽  
Survival Rates ◽  
Morphological Characteristics ◽  
Pituitary Hormone ◽  
Standard Procedures ◽  
Percentage Weight ◽  
Specific Growth Rates

The effects of Ovaprim and catfish pituitary extracts on inducement, hatchability and growth of Clarias gariepinus were assessed. Fifteen broodfish, (9 males and 6 females) having mean weight of 1kg were procured and used for the study. All brood fish were selected by external morphological characteristics following standard procedures. The hatchlings were further raised for ten weeks for growth study. The water parameters monitored were dissolved oxygen (6.65mg/l), pH (7.3) and temperature (28ºC). The results showed that there were no significant differences (p>0.05) in the mean fecundity of 29,852.67fish in Ovaprim and 26,230.00fish in pituitary extracts and hatchability rate (83.00% in Ovaprim and 81.67% in pituitary extracts). Survival rates of the fingerlings were 74.67% in Ovaprim and 76.67% in pituitary. However, significant changes (p<0.05) were observed in growth parameters such as weight gain, percentage weight gain and specific growth rates. From the results, Ovaprim is highly recommended to hatchery users considering the rate of fertilization, hatchability, survival, growth rate, low cost and availability. Keywords: Pituitary extract, Ovaprim, hypophysation and Clarias gariepinus

scholarly journals Effects of Lead Nitrate on catalase production levels in post juvenile Clarias gariepinus (Burchell, 1822)

2018 ◽  
Vol 10 (1) ◽  
pp. 1-7 ◽  
Author(s):  
C. Loveline Okoye ◽  
Ozovehe Samuel Patrick ◽  
F. O., Arimoro ◽  
A. V. Ayanwale ◽  
Y. I. Auta ◽  
...  
Keyword(s):  
Clarias Gariepinus ◽  
Lead Nitrate

Growth and Haematological Changes in African Catfish Clarias gariepinus Juveniles Exposed to Mercuric Chloride

2019 ◽  
pp. 1-7
Author(s):  
M. S. Isiyaku ◽  
P. A. Annune ◽  
L. O. Tiamiyu
Keyword(s):  
Mercuric Chloride ◽  
Growth Parameters ◽  
Clarias Gariepinus ◽  
Sublethal Concentration ◽  
Control Group ◽  
African Catfish ◽  
Food Conversion ◽  
Final Body Weight ◽  
Test Concentration ◽  
Wbc Count

The aim of this study was to assess the effect of Mercuric chloride on the growth and haematological parameters in the freshwater catfish, Clarias gariepinus. A total of 30 fishes were used for each concentration as well as in the control. Clarias gariepinus was exposed to 0.02, 0.04, 0.06, 0.08 and 0.10 mg/l of HgCl2 for 56 days. The treatment with mercuric chloride was found to inflict a drastic reduction in the total count of RBC’s. The reduction was time dependent; as concentration of mercuric chloride increased, the RBC levels declined. Exposed fishes showed a significant decrease in WBC count when compared to the control. The morphological indices MCV, MCH and MCHC fluctuate as the test concentration increased. The chronic exposure to sublethal concentration of mercuric chloride to the studied fish showed a significant decrease in final body weight in comparison to control group. Also, Growth parameters such as specific growth rate (SGR), food conversion efficiency (FCE), protein efficiency ratio (PER), food conversion rate (FCR) decreased with increased concentration of mercuric chloride. The mercuric chloride caused a significant decrease in the survival rate (P < 0.05).

scholarly journals Growth of Basil (Ocimum basilicum) in DRF, Raft, and Grow Pipes with Effluents of African Catfish (Clarias gariepinus) in Decoupled Aquaponics

2021 ◽  
Vol 3 (1) ◽  
pp. 92-109
Author(s):  
Johannes Pasch ◽  
Benny Ratajczak ◽  
Samuel Appelbaum ◽  
Harry W. Palm ◽  
Ulrich Knaus
Keyword(s):  
Growth Parameters ◽  
Clarias Gariepinus ◽  
Dry Weight ◽  
High Water ◽  
Ocimum Basilicum ◽  
Root Activity ◽  
Leaf Biomass ◽  
African Catfish ◽  
Nutrient Loads ◽  
Intensive Rearing

Basil (Ocimum basilicum) was cultivated in Rostock, Northern Germany, in a decoupled aquaponic system with African catfish (Clarias gariepinus) under intensive rearing conditions by using three hydroponic components, the dynamic root floating technique (DRF), the raft technique, and grow pipes. A 25% of the recommended feed input still allowed African catfish growth and provided adequate nitrogen and calcium levels in the process water. After 36 days, the plants were examined with respect to 16 different growth parameters. DRF performed significantly better than raft and/or grow pipes in 11 parameters. Total weight of basil was significantly higher in DRF (107.70 ± 34.03 g) compared with raft (82.02 ± 22.74 g) and grow pipes (77.86 ± 23.93 g). The economically important leaf biomass was significantly higher in wet and dry weight under DRF cultivation (45.36 ± 13.53 g; 4.96 ± 1.57 g) compared with raft (34.94 ± 9.44 g; 3.74 ± 1.04 g) and grow pipes (32.74 ± 9.84 g; 3.75 ± 1.22 g). Two main factors limited plant growth: an unbalanced nutrient concentration ratio and high water temperatures with an average of 28 °C (max 34.4 °C), which resulted in reduced root activity in raft and grow pipes. DRF was able to maintain root activity through the 5 cm air space between the shoots and the nutrient solution and thus produced significantly more biomass. This suggests DRF to be used for basil aquaponics under glass house conditions with high-temperature scenarios. Future studies are needed to optimize nutrient loads and examine systems with the plant roots exposed to air (Aeroponics).

scholarly journals Influence of including maize offal in diets on growth, carcass composition and economics of Clarias gariepinus

2021 ◽  
Vol 14 (3) ◽  
pp. 027-035
Author(s):  
Sunday Kenneth Igbang ◽  
Ada Fidelis Bekeh ◽  
Ochang Stephen Ncha
Keyword(s):  
Growth Parameters ◽  
Control Diet ◽  
Clarias Gariepinus ◽  
Experimental Period ◽  
Carcass Composition ◽  
African Catfish ◽  
Feed Conversion ◽  
Increase With Increase ◽  
Significant Difference ◽  
The Hours

Aiming at finding cheaper and still efficient feed for aquaculture species 56 days feeding trial was conducted on African catfish (Clarias gariepinus) post fingerlings, fed on five diets with a 40% crude protein target in which maize was replaced with maize offal meal at 0%, 25%, 50%, 75%, and 100% respectively. Ten fish each were stocked in a plastic aquarium tank containing 20 L of water. The fish were fed at 5% body weight divided into two rations ginen at the hours of 8-8:30 am and 5-5:30pm. Growth parameters showed increase with increase in maize offal based diets, with observed weight gains of 72.42, 79.00, 95.92, 130.83 and 65.83 for diets 1, 2, 3, 4, and 5 respectively. Feed conversion ratio (recorded best in 75% maize offal based diet substitution, while the poorest was recorded at 25% maize offal diet replacement, followed by the control diet (100% maize diet). 75% maize offal replacement recorded the highest specific growth rate (p<0.05).There was significant difference (p<0.05) in the ash content, crude fiber and energy level in the fish carcass. The cost of feed used throughout the experimental period was not significantly (p>0.05) influenced by the increasing level of maize offal as a replacement for maize in the diets, as the costs were comparable. However, this study reveals that maize offal meal can successfully replaced maize up to 75% in the diet of Clarias gariepinus post fingerlings without adverse effect on growth, carcass composition and economics.

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