Experimental Infection of Indigenous Climbing Perch &lt;i&gt;Anabas testudineus&lt;/i&gt; with &lt;i&gt;Aeromonas hydrophila&lt;/i&gt; Bacteria

Hossain, Mohammad Imtiaz; Rahman, Md. Faizur; Sayed, Md. Abu

doi:10.3329/pa.v22i1-2.16472

Cited by 16 publications

(12 citation statements)

References 8 publications

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“…Based on the bacterial isolation from the fish after the challenge, the intestine showed higher bacteria load than liver. This was also observed in the climbing perch with 9.4×10 8 cfu g -1 and 2.9×10 6 cfu g -1 in intestine and liver respectively (Hossain et al 2013). In addition, Asian stinging catfish, Heteropneustes fossilis also exhibited higher levels of bacteria accumulation in intestine (1.8×10 9 cfu g -1 ) than liver (6.46×10 8 cfu g -1 ) (Mostafa et al 2008).…”

Section: Discussionmentioning

confidence: 82%

Inclusion of cricket (Gryllus bimaculatus) meal in African catfish (Clarias gariepinus) feed influences disease resistance

et al. 2018

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In our present study, we observed the effect of cricket meal (CM) on disease resistance of African catfish. Fish were fed diets containing 350 g kg–1 and 400 g kg–1 of CM and 350 g kg–1 of fishmeal as control. The fish were divided into triplicates treatments of ten fish per replicate, weighed 22.5±0.6 g and fed with experimental diets for 40 days before being challenged against Aeromonas hydrophila. Relative percentage of survival (RPS) was recorded over 12 days post-challenge. White blood cell count, total protein, globulin and lysozyme showed significantly increasing levels in those fed with cricket meal diet compared to the control group. Mortalities at 12-day post-challenge significantly decreased to 30% (RPS: 66.7%) and 27% (RPS: 70%) for 35% and 40% CM respectively compared to 90% mortality in control group. Intestines and liver tissues of infected fish were dissected for pathogenic confirmation. The intestines of control diet showed the highest bacterial load (58.2×107 cfu g–1) compared to CM diets. The current study indicates that dietary CM could enhance the innate immune system and disease resistance of African catfish.

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Section: Discussionmentioning

confidence: 82%

Inclusion of cricket (Gryllus bimaculatus) meal in African catfish (Clarias gariepinus) feed influences disease resistance

et al. 2018

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“…Skin samples from A. hydrophila infected blue tilapia from ponds of the Marine Center Science, Unversity of Basrah, were transferred to tryptic soy agar (TSA) medium and incubated, resulting in the growth of many bacterial colonies. A. hydrophila was identified according to (Hossain et al, 2013); macroscopic observations included size, shape and pigmentation seen from inside, beside and top; microscopic analysis was done by Gram staining and observing the color and shape of bacteria; biochemical tests were: Motile, indol, O/F and H 2 S. A specific medium, Rimler-Shotts Agar, was used to confirm the isolated bacteria (Sayed, 2010). Cell densities were photometrically obtained at a wavelength of 590 nm (Saulnier et al, 2000), based on the McFarland standard and serially diluted to reach the target density (1 × 10 7 CFU).…”

Section: Methodsmentioning

confidence: 99%

Histopathological studies of experimental Aeromonas hydrophila infection in blue tilapia, Oreochromis aureus

Alyahya

Ameen

Al-Niaeem

et al. 2018

Saudi Journal of Biological Sciences

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Blue tilapia, , was experimentally infected with, a bacterium that damages the gills, liver, and intestine, resulting in histopathological changes in the infected organs. Our histopathological study showed an aggregation of hemocytes with cell necrosis in gills; a massive aggregation of hemocytes and pyknotic nuclei in the hepatopancreas; and a lower rate of hemocyte aggregation in the digestive system of the infected fish.

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“…The intramuscular injection technique, a method applied by several investigators [18][19][20] was used to detect both the effectiveness of the method in initiating the disease and the pathogenicity of the bacteria. One ml of sterile and disposable insulin needles was used for intramuscular injection.…”

Section: Pathogenicity Experimentsmentioning

confidence: 99%

First report of Enterobacter soli associated with gastro-hepato infection of farmed fish, Channa striatain Malaysia

Bhassu¹,

Eid²,

Tan³

2019

GHOA

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The freshwater snakehead fish Channa striata is extensively distributed across tropical Africa and Asia. This fish becomes an important commodity in the aquaculture business that has been industrialized very fast over the last ten years. However, diseases brought economic loss to the industry estimated to be in billions. Although wild Channa striata are known to be highly resistant to diseases, the case under captivity may be different. For instance, an occurrence of selective mortality was found in a farm of Channa striata in Selangor, Malaysia. The etiology of the infection was attributed to a bacterium that belong to Enterobacteriaceae family. This family is known to be widely distributed in nature and was previously found to be involved in mortality of different fish species. Accordingly, 16S rRNA gene sequencing was used to identify bacteria isolated from skin and liver of moribund fish; the present research confirmed that the causative disease agent had been Enterobacter soli. To our best knowledge, it is the first to report this bacterium species as a disease causative agent in fish. Furthermore, clinical and histopathological changes of healthy fish samples were followed up applying the Koch's procedure.

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Experimental Infection of Indigenous Climbing Perch <i>Anabas testudineus</i> with <i>Aeromonas hydrophila</i> Bacteria

Cited by 16 publications

References 8 publications

Inclusion of cricket (Gryllus bimaculatus) meal in African catfish (Clarias gariepinus) feed influences disease resistance

Inclusion of cricket (Gryllus bimaculatus) meal in African catfish (Clarias gariepinus) feed influences disease resistance

Histopathological studies of experimental Aeromonas hydrophila infection in blue tilapia, Oreochromis aureus

First report of Enterobacter soli associated with gastro-hepato infection of farmed fish, Channa striatain Malaysia

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