Effects of dietary Mitracarpus scaber leaves extract on growth, physiological, antioxidants, and mucosal immune profiles of North African catfish, Clarias gariepinus, and resistance against Edwardsiella tarda infection

2021 ◽  
Vol 53 (6) ◽  
Author(s):  
Ibrahim Adeshina ◽  
Lateef O. Tiamiyu ◽  
Musa I. Abubakar ◽  
Oluwafunmike O. Ogundayomi ◽  
Ojo Adesanmi
Keyword(s):  
Clarias Gariepinus ◽  
Edwardsiella Tarda ◽  
African Catfish ◽  
North African ◽  
Mitracarpus Scaber

scholarly journals Pathology of Edwardsiella tarda infection in African catfish, Clarias gariepinus (Burchell 1822), fingerlings

2015 ◽  
Vol 23 (3) ◽  
pp. 141-148 ◽  
Author(s):  
Thangapalam Jawahar Abraham ◽  
Prakash Kumar Mallick ◽  
Harresh Adikesavalu ◽  
Sayani Banerjee
Keyword(s):  
Inflammatory Responses ◽  
Clarias Gariepinus ◽  
Edwardsiella Tarda ◽  
Phenotypic Characterization ◽  
African Catfish ◽  
Lymphocyte Infiltration ◽  
Hematopoietic Tissue ◽  
Fish Pathogens ◽  
Mucus Production ◽  
Focal Necrosis

AbstractEdwardsiella tarda is one of the serious fish pathogens infecting both cultured and wild fish species. This study aimed to assess the phenotypic characterization and pathogenicity of E. tarda isolated from Clarias gariepinus (Burchell) with dropsy and histopathological alterations. The causative agent was identified with Vitek 2, and its pathogenicity was determined by intramuscular injection. The challenged catfish exhibited vertical hanging, frothing, excess mucus production, listing, swollen abdomen, anorexia, fin and tail rot, and reddish operculum. The LD50of E. tarda PBB and PBP strains was found to be 8.52 × 106and 1.68 × 107cells fish-1, respectively. Histopathological observations on catfish infected naturally revealed lymphocyte infiltration in muscle and focal necrosis, hyperplasia, edema, and swelling of the gill lamellar epithelium. The kidney of diseased fish exhibited ischemic type tubulopathy, necrosis of nephritic tubules, hyperplastic hematopoietic tissue, rupture of the tubular basement membrane, hydropic dystrophy of nephritic cells, neutrophil infiltration, fibrinoid necrosis of nephretic tubules, hemosiderin deposition, and edema. The liver sections revealed lymphocyte infiltration, dilation of hepatic sinusoids, expansion of space between hepatic sinusoids, and focal necrosis. The inflammatory responses observed in kidney and liver in the present study were presumably suppuration and were attributed to the potential virulence factors of E. tarda.

Genetic parameters of reproductive traits in male and female North African catfish, Clarias gariepinus (Burchell, 1822)

Aquaculture ◽  
2019 ◽  
Vol 513 ◽  
pp. 734431 ◽  
Author(s):  
Witsanu Srimai ◽  
Skorn Koonawootrittriron ◽  
Wiroon Manee-aphai ◽  
Prapaiphan Chaivichoo ◽  
Anake Phu-onnim ◽  
...  
Keyword(s):  
Genetic Parameters ◽  
Clarias Gariepinus ◽  
Reproductive Traits ◽  
African Catfish ◽  
North African ◽  
Male And Female

scholarly journals An Investigation of ZZ/ZW and XX/XY Sex Determination Systems in North African Catfish (Clarias gariepinus, Burchell, 1822)

2021 ◽  
Vol 11 ◽  
Author(s):  
Dung Ho My Nguyen ◽  
Thitipong Panthum ◽  
Jatupong Ponjarat ◽  
Nararat Laopichienpong ◽  
Ekaphan Kraichak ◽  
...  
Keyword(s):  
Sex Determination ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Nucleotide Polymorphisms ◽  
North African ◽  
The North ◽  
Determination System ◽  
Commercial Breeding ◽  
Sex Determination System ◽  
Sex Determination Mechanisms

An investigation of sex-specific loci may provide important insights into fish sex determination strategies. This may be useful for biotechnological purposes, for example, to produce all-male or all-female fish for commercial breeding. The North African catfish species, Clarias gariepinus, has been widely adopted for aquaculture because its superior growth and disease resistance render the species suitable for hybridization with other catfish to improve the productivity and quality of fish meat. This species has either a ZZ/ZW or XX/XY sex determination system. Here, we investigate and characterize these systems using high-throughput genome complexity reduction sequencing as Diversity Arrays Technology. This approach was effective in identifying moderately sex-linked loci with both single-nucleotide polymorphisms (SNPs) and restriction fragment presence/absence (PA) markers in 30 perfectly sexed individuals of C. gariepinus. However, SNPs based markers were not found in this study. In total, 41 loci met the criteria for being moderately male-linked (with male vs. female ratios 80:20 and 70:30), while 25 loci were found to be moderately linked to female sex. No strictly male- or female-linked loci were detected. Seven moderately male-linked loci were partially homologous to some classes of transposable elements and three moderately male-linked loci were partially homologous to functional genes. Our data showed that the male heterogametic XX/XY sex determination system should co-exist with the ZZ/ZW system in C. gariepinus. Our finding of the co-existence of XX/XY and ZZ/ZW systems can be applied to benefit commercial breeding of this species in Thailand. This approach using moderately sex-linked loci provides a solid baseline for revealing sex determination mechanisms and identify potential sex determination regions in catfish, allowing further investigation of genetic improvements in breeding programs.

Genetic parameters and genotype-environment interaction for growth traits of North African catfish, Clarias gariepinus (Burchell, 1822)

Aquaculture ◽  
2019 ◽  
Vol 501 ◽  
pp. 104-110 ◽  
Author(s):  
Witsanu Srimai ◽  
Skorn Koonawootrittriron ◽  
Wiroon Manee-aphai ◽  
Satid Chatchaiphan ◽  
Urai Koolboon ◽  
...  
Keyword(s):  
Genetic Parameters ◽  
Growth Traits ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Environment Interaction ◽  
North African ◽  
Genotype Environment Interaction

Genetic components of growth traits of the hybrid between ♂North African catfish (Clarias gariepinus Burchell, 1822) and ♀bighead catfish (C. macrocephalus Günther, 1864)

Aquaculture ◽  
2020 ◽  
Vol 521 ◽  
pp. 735082
Author(s):  
Prapaiphan Chaivichoo ◽  
Skorn Koonawootrittriron ◽  
Satid Chatchaiphan ◽  
Witsanu Srimai ◽  
Uthairat Na-Nakorn
Keyword(s):  
Growth Traits ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
North African ◽  
Genetic Components

scholarly journals Female maturation and rematuration acceleration of Mutiara strain catfish (Clarias gariepinus) using combination of oocyte developer hormone and astaxanthin addition diet

2019 ◽  
Vol 18 (1) ◽  
pp. 23-32
Author(s):  
Fatahillah Maulana Jufri ◽  
Agus Oman Sudrajat ◽  
Mia Setiawati
Keyword(s):  
Clarias Gariepinus ◽  
Reproductive Organs ◽  
African Catfish ◽  
North African ◽  
Environmental Signals ◽  
Gonadal Maturation ◽  
Gonadal Maturity ◽  
Research Designs ◽  
Broodstock Diet ◽  
Female Maturation

ABSTRACT Reproductive design for gonadal maturation process mostly related with some factors such as environmental signals, reproductive organs, hormonal and nutrition. This research was conducted on female Mutiara strain of North African Catfish, Clarias gariepinus by combining two kinds of materials administered to broodstock diet, namely oocyte developer (Oodev) which contains of PMSG hormone and antidopamin, and astaxanthin carotenoid. Research designs were divided into C (Control), A50 (astaxanthin 50 mg/kg feed), A100 (astaxanthin 100 mg/kg feed), Od0.5 (Oodev 0.5 mL/kg fish for two weeks), Od1 (1 mL/kg fish for 2 weeks), Od0.5A50 (combined Od0.5 with A50), Od1A50 (combined Od1 with A50), Od0.5A100 (combined Od0.5 with A100), and Od1A100 (combined Od1 with A100). This research was performed during twelve weeks of feeding. The Od1A100 treatment showed the best reproduction performance result compared to other treatment with highest hepatosomatic (HSI) and gonadosomatic (HSI) indexes (P<0.05), also fastest increase in egg diameters (P<0.05), shorter rematuration periods and highest proportion of mature broodstock. These results indicated that Oodev and astaxanthin could accelerate gonadal maturity in female broodstock of Mutiara catfish.Keywords: Broodstock, hormonal, reproduction, oocyte developer, astaxanthin  ABSTRAK Rekayasa reproduksi untuk proses pematangan gonad sebagian besar terkait dengan beberapa faktor seperti sinyal lingkungan, organ reproduksi, hormonal dan nutrisi. Penelitian ini dilakukan terhadap strain ikan lele Mutiara (Clarias gariepinus) betina menggunakan dua bahan yang dicampur pada pakan induk, yaitu oocyte developer (Oodev) yang mengandung hormon PMSG dan antidopamin, dan karotenoid astaxanthin. Eksperimen yang dirancang adalah K (Kontrol), A50 (Astaxanthin 50 mg/kg pakan), A100 (Astaxanthin 100 mg/kg pakan), Od0.5 (Oodev 0,5 mL/kg induk untuk 2 minggu), Od1 (Oodev 1 mL/kg induk untuk 2 minggu), Od0.5A50 (kombinasi Od0.5 dan A50), Od1A50 (kombinasi Od1 dan A50), Od0.5A100 (kombinasi Od0.5 dan A100), dan Od1A100 (kombinasi Od1 dan A100). Penelitian ini dilakukan dengan memberi makan dua belas minggu. Performa reproduksi terbaik didapat pada perlakuan Od1A100. Od1A100 memiliki indeks hepatosomatik (HSI) dan gonadosomatik (HSI) tertinggi (P <0,05), juga diameter telur paling cepat besar (p <0,05), periode rematurasi terpendek, dan proporsi induk matang gonad tertinggi. Hasil ini menunjukkan bahwa Oodev dan astaxanthin dapat mempercepat kematangan gonad pada induk betina ikah lele Mutiara. Keyword: Induk, hormon, reproduksi, oocyte developer, astaxanthin 

scholarly journals MATURASI LELE MUTIARA Clarias gariepinus BETINA MELALUI PENAMBAHAN HORMON OODEV DAN ESTRADIOL-17ß PADA PAKAN

2021 ◽  
Vol 9 (1) ◽  
pp. 30-40
Author(s):  
Oktavia Rugus Ayu Enditha ◽  
Deny Sapto Chondro Utomo ◽  
Munti Sarida
Keyword(s):  
Key Words ◽  
Reproductive Cycle ◽  
Clarias Gariepinus ◽  
Spawning Season ◽  
Maturity Index ◽  
African Catfish ◽  
North African ◽  
Gonadal Maturity ◽  
Randomized Design ◽  
Completely Randomized Design

The problem in Mutiara strain of North African catfish Clarias gariepinus culture is that the production of both larvae and seeds is still inhibited by the seasonal reproductive cycle where the catfish only spawn once during the spawning season.  The purposes of this study were to evaluate the effect of administration of oodev and estradiol-17ß on the maturity process and to determine the best doses in accelerating the maturion of female Mutiara strain. This study used a Completely Randomized Design with 5 treatments and 3 individual replications. The treatments were combination between dose Oodev (PMSG and Anti-Dopamine) and dose Estradiol-17ß in feed (both doses in ml/kg feed):A(0+0), B(0.5+0), C(0+0.6), D(0.5+0,6), E(1+1). The results of this study showed that the administration of Oodev and Estradiol-17ß significant affect on gonadal maturity index about 82.21% compared to control and acclerating maturation of female mutiara strain with doses the best is the treatment E (oodev 1 ml/kg feed+estradiol-17ß 1 ml/kg feed).Key words: Clarias gariepinus, dose, estradiol-17ß, maturation, oodev

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