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- Author:
- Sivakumar, S; Vimal, S; Abdul Majeed, S; Santhosh Kumar, S; Taju, G; Madan, N; Rajkumar, T; Thamizhvanan, S; Shamsudheen, K V; Scaria, V; Sivasubbu, S; Sahul Hameed, A S
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1129-1146
- ISSN:
- 0140-7775
- Subject:
- Litopenaeus vannamei; Nellore; White spot syndrome virus; genes; high-throughput nucleotide sequencing; monitoring; oligodeoxyribonucleotides; open reading frames; polymerase chain reaction; ponds; shrimp; shrimp culture; India
- Abstract:
- ... White spot syndrome virus (WSSV)‐infected shrimp samples collected from grow‐out ponds located at Nellore, Andhra Pradesh, India, showed WSSV negative and positive by PCR using primer sets specific to ORF119 and VP28 gene of WSSV, respectively. This indicated the deletion of genetic fragments in the genome of WSSV. The WSSV isolate along with lab strain of WSSV was subjected to next‐generation seq ...
- DOI:
- 10.1111/jfd.12811
-
http://dx.doi.org/10.1111/jfd.12811
- Author:
- Bedendo, Giulia; Panzarin, Valentina; Fortin, Andrea; Zamperin, Gianpiero; Pretto, Tobia; Buratin, Alessandra; Quartesan, Rosita; Sabbion, Matteo; Salogni, Cristian; Pascoli, Francesco; Toffan, Anna
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1063-1075
- ISSN:
- 0140-7775
- Subject:
- Ameiurus melas; Sprivivirus; Tinca tinca; abdomen; amino acid sequences; catfish; cell culture; disease outbreaks; disease severity; electron microscopy; fish production; fluorescent antibody technique; genetic distance; gills; glycoproteins; molecular epidemiology; monitoring; mortality; nucleoproteins; phylogeny; sequence analysis; signs and symptoms (animals and humans); viruses; Italy
- Abstract:
- ... This study fully describes a severe disease outbreak occurred in 2016 in black bullhead catfish farmed in Italy. Affected fish showed nervous clinical signs as well as emaciations and haemorrhagic petechiae on the skin at the fin bases, abdomen and gills. Viral isolation in cell culture allowed the subsequent identification of a rhabdovirus, tentatively named ictalurid rhabdovirus (IcRV), through ...
- DOI:
- 10.1111/jfd.12797
-
http://dx.doi.org/10.1111/jfd.12797
- Author:
- Zhang, Qinghua; Ji, Ce; Ren, Jianfeng; Zhang, Qiuyue; Dong, Xuehong; Zu, Yao; Jia, Liang; Li, Weiming
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1049-1062
- ISSN:
- 0140-7775
- Subject:
- Danio rerio; Vibrio parahaemolyticus; bacteria; coagulation; complement; embryo (animal); fish; gastroenteritis; gene expression; gene expression regulation; genes; humans; innate immunity; interleukin-11; interleukin-8; larvae; models; pathogenesis; pathogens; receptors; signal transduction; transcription factor NF-kappa B; transcriptomics; tumor necrosis factors; vibriosis
- Abstract:
- ... Zebrafish embryo and larva represent a useful in vivo model for identification of host innate immune responses to bacterial infection. Vibrio parahaemolyticus is a typical zoonotic pathogen worldwide that causes acute gastroenteritis in humans and vibriosis in fishes. However, the mechanism of the innate immune response in the zebrafish larvae infected by V. parahaemolyticus has not been clear. We ...
- DOI:
- 10.1111/jfd.12796
-
http://dx.doi.org/10.1111/jfd.12796
- Author:
- Bjørgen, H; Koppang, E O; Gunnes, G; Hordvik, I; Moldal, T; Kaldhusdal, M; Dale, O B
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1031-1040
- ISSN:
- 0140-7775
- Subject:
- Salmo salar; adenocarcinoma; carcinogenesis; enteritis; epithelial cells; epizootic diseases; feed formulation; field experimentation; fish; fish meal; inflammation; ingredients; intestines; slaughter; soy protein concentrate; wheat
- Abstract:
- ... An epizootic incidence of intestinal adenocarcinomas was reported in brood fish of Atlantic salmon (Salmo salar L.) in 2009. The condition was associated with a specific diet inducing enteritis and morphological changes. Here, two field trials of fish up to slaughter size were initiated. In Trial 1, two different feed recipes were used. Feed I was predominantly based on marine ingredients, whereas ...
- DOI:
- 10.1111/jfd.12780
-
http://dx.doi.org/10.1111/jfd.12780
- Author:
- Valentim, D S S; Duarte, J L; Oliveira, A E M F M; Cruz, R A S; Carvalho, J C T; Solans, C; Fernandes, C P; Tavares‐Dias, M
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1041-1048
- ISSN:
- 0140-7775
- Subject:
- Colossoma macropomum; Copaifera; Monogenea; adverse effects; antiparasitic agents; antiparasitic properties; aquaculture; drug therapy; ectoparasites; essential oils; fish; gills; nanoemulsions; nanomaterials; particle size distribution; water solubility; zeta potential
- Abstract:
- ... Monogeneans are ectoparasites that may cause losses in production and productivity in the aquaculture of Colossoma macropomum. Chemotherapeutics used in aquaculture usually have major adverse effects on fish; hence, the use of essential oils has been considered advantageous, but these are not soluble in water. Thus, the use of nanostructures to enhance water solubility of compounds and improve bio ...
- DOI:
- 10.1111/jfd.12793
-
http://dx.doi.org/10.1111/jfd.12793
- Author:
- Al‐Jubury, A; Lu, C; Kania, P W; von Gersdorff Jørgensen, L; Liu, Y; de Bruijn, I; Raaijmakers, J; Buchmann, K
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1147-1152
- ISSN:
- 0140-7775
- Subject:
- Ichthyophthirius multifiliis; Oncorhynchus mykiss; Pseudomonas; Saprolegnia diclina; antiparasitic agents; aquaculture; biosurfactants; fingerlings; fish eggs; medical treatment; mortality; parasites
- Abstract:
- ... A bacterial biosurfactant isolated from Pseudomonas (strain H6) has previously been shown to have a lethal effect on the oomycete Saprolegnia diclina infecting fish eggs. The present work demonstrates that the same biosurfactant has a strong in vitro antiparasitic effect on the fish pathogenic ciliate Ichthyophthirius multifiliis. Three life cycle stages (the infective theront stage, the tomont an ...
- DOI:
- 10.1111/jfd.12810
-
http://dx.doi.org/10.1111/jfd.12810
- Author:
- Rahmati‐Holasoo, H; Soltani, M; Masoudifard, M; Shokrpoor, S; Taheri Mirghaed, A; Ahmadpoor, M
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1093-1101
- ISSN:
- 0140-7775
- Subject:
- Acipenser ruthenus; Huso huso; computed tomography; epithelium; histopathology; hybrids; image analysis; immunohistochemistry; kidneys; metastasis; neoplasm cells; neoplasms; radiography; skeletal muscle; spleen; staining; streams; sturgeon; swim bladder; ultrasonography
- Abstract:
- ... Abdominal distention occurred at an incidence of 1% (15 from 1500 fish) in the population of 1‐year‐old bester (Huso huso × Acipenser ruthenus). Computed tomography (CT) images and radiographs showed a soft tissue mass compressed the posterior part of the swim bladder. Ultrasonography showed that the masses had different patterns. Internal examination revealed the abdominal cavities to be filled w ...
- DOI:
- 10.1111/jfd.12800
-
http://dx.doi.org/10.1111/jfd.12800
- Author:
- Munday, J S; Perrott, M R; Symonds, J E; Walker, S P; Preece, M A; Davie, P S
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1111-1116
- ISSN:
- 0140-7775
- Subject:
- Oncorhynchus tshawytscha; Salmo salar; cold treatment; radiography; rearing; scoliosis; seawater; smolts; surveys; temperature; New Zealand
- Abstract:
- ... Spinal abnormalities can be detected at harvest in around 40% of farmed Chinook salmon in New Zealand. However, whether these abnormalities are present in smolt is unknown. Radiographs of 3,736 smolt were taken immediately prior to transfer to sea water and evaluated for fusions, compressions, vertical shifts, and lordosis, kyphosis and/or scoliosis (LKS). The survey included smolt from two differ ...
- DOI:
- 10.1111/jfd.12804
-
http://dx.doi.org/10.1111/jfd.12804
- Author:
- Jung‐Schroers, V; Adamek, M; Harris, S; Syakuri, H; Jung, A; Irnazarow, I; Steinhagen, D
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1077-1092
- ISSN:
- 0140-7775
- Subject:
- Aeromonas hydrophila; Cyprinus carpio; bacteria; bacterial communities; beta-glucans; carp; denaturing gradient gel electrophoresis; diet; goblet cells; intestines; mucins; mucus; virulent strains
- Abstract:
- ... The effect of dietary β‐glucan on the bacterial community in the gut of common carp (Cyprinus carpio) was examined after oral application of Aeromonas hydrophila. Carp received either feed supplemented with 1% MacroGard®, a β‐1,3/1,6‐glucan, or a β‐glucan‐free diet. Fourteen days after feeding, half of the carp from each group were intubated with 10⁹ colony‐forming units (CFU) of a pathogenic stra ...
- DOI:
- 10.1111/jfd.12799
-
http://dx.doi.org/10.1111/jfd.12799
- Author:
- Gjessing, M C; Christensen, D H; Manji, F; Mohammad, S; Petersen, P E; Saure, B; Skjengen, C; Weli, S C; Dale, O B
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1103-1110
- ISSN:
- 0140-7775
- Subject:
- Salmo salar; apoptosis; epithelial cells; etiological agents; immunohistochemistry; mouth; respiratory mucosa; salmon; smolts; Norway; Scotland
- Abstract:
- ... Gill diseases cause serious losses in farming of Atlantic salmon and the number of agents involved increases. Salmon gill poxvirus (SGPV) and the gill disease in causes where SGPV apparently was the only disease‐causing agent were initially characterized. Recently, it was further shown that SGPV can be a common denominator in widely different multifactorial gill diseases. Here, we present the chal ...
- DOI:
- 10.1111/jfd.12802
-
http://dx.doi.org/10.1111/jfd.12802
- Author:
- Ulvestad, J S; Kumari, J; Seternes, T; Chi, H; Dalmo, R A
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1117-1127
- ISSN:
- 0140-7775
- Subject:
- NAD (coenzyme); Salmo salar; beta-glucans; biochemical pathways; curdlan; gene expression; genes; kidneys; lipopolysaccharides; macrophages; metabolic inhibitors; pathogens; quantitative polymerase chain reaction; reactive oxygen species; respiratory burst; salmon
- Abstract:
- ... Reactive oxygen species (ROS) production in macrophage‐like cells is induced as an antimicrobial defence against invading pathogens. In this study, we have explored how different stimuli and metabolic inhibitors affect the level of respiratory burst in Atlantic salmon (Salmo salar L.) head kidney macrophage‐like cells. Cells stimulated in vitro by bacterial lipopolysaccharide (LPS) and ß‐glucan sh ...
- DOI:
- 10.1111/jfd.12806
-
http://dx.doi.org/10.1111/jfd.12806
- Author:
- Baldissera, M D; Souza, C F; Doleski, P H; Zeppenfeld, C C; Descovi, S; Da Silva, A S; Baldisserotto, B
- Source:
- Journal of fish diseases 2018 v.41 no.7 pp. 1153-1158
- ISSN:
- 0140-7775
- Subject:
- Rhamdia quelen; aflatoxin B1; blood serum; diet; enzyme activity; fish; nitrogen oxides; oxidative stress; reactive oxygen species; uric acid; xanthine oxidase
- Abstract:
- ... Several studies have associated the involvement of xanthine oxidase (XO) activity, a source of uric acid and reactive oxygen species (ROS), to pro‐oxidative and pro‐inflammatory effects during pathological conditions. Considering this, the aim of this study was to evaluate whether upregulation on seric XO activity may be a pathway involved in the oxidative stress in fish exposed to a diet contamin ...
- DOI:
- 10.1111/jfd.12812
-
http://dx.doi.org/10.1111/jfd.12812