Over a four and a half month period, 1004 unselected routine faecal specimens from 815 patients were cultured for Aeromonas hydrophila. Forty-two specimens (4.2%) representing 38 patients were culture-positive. The study specimens also yielded Salmonella on 116 occasions, Shigella on seven, Campylobacter species on six and other bacterial pathogens on 17 occasions, respectively. Seven specimens had A hydrophila together with another bacterial pathogen. In only 19 of 38 patients (50%) was A hydrophila possibly associated with gastrointestinal symptoms. All the Aeromonas isolates were resistant to ampicillin but sensitive to gentamicin, piperacillin, mecillinam, chloramphenicol, ceftazidime and colistin.
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http://dx.doi.org/10.1136/jcp.36.8.920 | DOI Listing |
J Vet Pharmacol Ther
January 2025
Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, China.
The objective of this study was to implement population pharmacokinetic (PPK) of enrofloxacin (EF) in grass carp (Ctenopharyngodon idella) after a single oral administration and a single intravenous administration based on a nonlinear mixed effect model. The plasma samples collected by the sparse sampling method were detected by high-performance liquid chromatography with a fluorescent detector. The initial pharmacokinetic (PK) parameters were evaluated by reference search and the calculation of a naïve pooled method.
View Article and Find Full Text PDFFish Shellfish Immunol
January 2025
Aquatic Organisms Health Laboratory (AQUOS), Aquaculture Department, UFSC, Rodovia Admar Gonzaga 1346, 88037-000, Florianópolis, SC, Brazil. Electronic address:
The study aimed to assess the impact of dietary supplementation with tannic acid on the growth, health, and survival of Oreochromis niloticus following exposure to Aeromonas hydrophila. A total of 320 fish were divided into 16 tanks and assigned to four treatment groups: feed with 0.2 % tannic acid (TA), 0.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
College of Fisheries, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture and Rural Affair, Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China. Electronic address:
In mammals, long non-coding RNAs (lncRNAs) play a regulatory role in gene expression, contribute to immune responses, and aid in pathogen elimination, primarily through interactions with RNA-binding proteins (RBPs). However, the role of lncRNAs in fish innate immunity and their interaction with RBPs remains uncertain. To investigate the immunomodulatory role of lncRNAs in Megalobrama amblycephala, we identified the novel lncRNA MSTRG.
View Article and Find Full Text PDFFish Shellfish Immunol
January 2025
Jimei University, College of Fisheries, Key Laboratory of Healthy Mariculture for the East China Sea, Xiamen, 361021, China; Jimei University, College of Fisheries, Engineering Research Center of the Modern Technology for Eel Industry, Xiamen, 361021, China. Electronic address:
Fas-associated protein with Death Domain (FADD) is a crucial signaling component of apoptosis and a vital immunomodulator on inflammatory signaling pathways. However, information on FADD-mediated apoptosis and immune regulation is limited in teleost. We herein cloned a FADD homolog, AjFADD, from Japanese eel (Anguilla japonica).
View Article and Find Full Text PDFFront Immunol
January 2025
Indian Council of Agriculture Research (ICAR)-Central Institute of Freshwater Aquaculture (CIFA), Fish Health Management Division, Bhubaneswar, Odisha, India.
Background: Aquaculture systems that sporadically depend on antibiotics can contribute to the development of adverse effects on the fish, microbial flora and the environment. This study sought to investigate the impacts of extended oxytetracycline supplementation on the freshwater stinging catfish through a multi-biomarker approach.
Methods: A total of 300 (20 ± 0.
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