Publications by authors named "Muhammad Tofazzal Hossain"

Background: Fowl adenovirus (FAdV) is a globally distributed virus that inflicts significant economic losses on the poultry industry. The study aimed at pathological investigation, molecular characterization, isolation, and pathogenicity determination of FAdV from commercial poultry.

Methods: A total of 86 liver samples were collected from 80 commercial chicken farms.

View Article and Find Full Text PDF

Objective: The purpose of this study was to characterize the circulating Peste des Petits Ruminants virus (PPRV) from slaughtered goats and conduct a phylogenetic analysis of the N gene of PPRV.

Materials And Methods: A total of 196 slaughtered goats were investigated at the marketplaces of Mymensingh division from January 2019 to March 2021. Lungs, spleen, and mesenteric lymph nodes were collected for histology and molecular study.

View Article and Find Full Text PDF

Objective: Infectious bronchitis (IB), a highly infectious acute viral disease, is a major burden to the chicken industry worldwide. The research aimed to develop an inactivated IB vaccine using local isolates and assess its immunogenicity compared to other commercial live IB vaccines.

Materials And Methods: An inactivated vaccine using a candidate IB virus (PP067159.

View Article and Find Full Text PDF
Article Synopsis
  • Newcastle disease virus (NDV) genotype VII poses significant threats to poultry, leading to severe health issues and high mortality rates, prompting research into a locally developed inactivated vaccine.
  • The inactivated ND vaccine was compared with commercial live vaccines in a study assessing different vaccination methods and doses, showing that subcutaneous administration of 1.0 ml resulted in the highest antibody levels and efficacy.
  • Findings indicated that the killed-followed-killed vaccination regimen offered the best protection (100%) and sustained immunity, suggesting its effectiveness in managing ND outbreaks in poultry in Bangladesh.
View Article and Find Full Text PDF

The emergence of bacteria that is resistant to several drugs of clinical importance poses a threat to successful treatment, a phenomenon known as multidrug resistance that affects diverse classes of antibiotics. The purpose of this study was to evaluate the prevalence of multidrug-resistant , spp. and in chicken egg, meat and faeces from four districts of Bangladesh.

View Article and Find Full Text PDF
Article Synopsis
  • Avian infectious bronchitis (AIB) is a contagious disease impacting poultry worldwide, prompting a study in Bangladesh to isolate and identify new strains from sick layer chickens.
  • Researchers collected 108 samples from 18 farms, utilizing various techniques including hemagglutination tests and RT-PCR to confirm the presence of the infectious bronchitis virus (IBV).
  • Findings revealed that 8 samples tested positive for IBV, with recent isolates belonging to the highly pathogenic genotype-QX, similar to strains found in other countries like Thailand and Saudi Arabia.
View Article and Find Full Text PDF

Introduction: Lumpy skin disease (LSD) is a highly contagious vector-borne viral disease of cattle. LSD has emerged in Bangladesh in 2019, causing significant economic losses due to its high morbidity and mortality. This research was designed to isolate, identify, and assess the immunogenicity of LSD virus (LSDV) using nodular tissue samples obtained from affected cattle during the 2019-20 outbreak across nine districts of Bangladesh.

View Article and Find Full Text PDF

Objective: Whole genome sequencing (WGS) of Alim_AV_1000 isolated from ulcerative lesions of Shing fish (stringing catfish; ) was performed during the outbreak year 2021.

Materials And Methods: Using next-generation sequencing (Illumina) technology, WGS was accomplished, resulting in the sequencing, assembly, and analysis of the entire genome of the strain. Moreover, the genomic features, virulence factors, antimicrobial resistome, and phylogenetic analysis for the molecular evolution of this strain were also examined.

View Article and Find Full Text PDF

Background And Aim: Informal prescribers (IPs) significantly contribute to the development of antimicrobial resistance and in disseminating pathogens from poultry to humans and other animals through the food chain, posing a serious global health threat. Therefore, this study aimed to assess whether the knowledge of IPs has an impact on their attitude and practice toward antimicrobial use, antibiotic residues, and antimicrobial resistance.

Materials And Methods: In this cross-sectional study, we conducted a pre-tested and questionnaire-based survey to investigate the knowledge, attitude, and practice of IPs in selected parts of the Mymensingh division, Bangladesh.

View Article and Find Full Text PDF

Antimicrobial resistance (AMR) resulting from indiscriminate use of antibiotics in various fields of agriculture such as livestock farming, aquaculture, and croup fields become an emerging catatroph for the health (human, animal) and environment. Among those, poultry farming has been considered as one of the major contributors of multidrug-resistant (MDR) bacteria. Focusing this, the present research is designed for green synthesis of copper oxide nanoparticles (CuONPs) with the aim of their application in antibiotic-free poultry farming for curving use of antibiotics in that sector.

View Article and Find Full Text PDF

Background And Aim: The bovine industry is threatened by one of the most serious and deadly enteric diseases, calf diarrhea, particularly in developing nations like Bangladesh. In this context, bacterial resistance to antimicrobial drugs and its detrimental consequences have become a critical public health issue that is difficult to address globally. This study aimed to isolate and identify and spp.

View Article and Find Full Text PDF

Objectives: This study was designed to detect through polymerase chain reaction (PCR) from duck farming areas of the Mymensingh and Sylhet divisions and to determine the antibiogram profile of the PCR-positive isolates using the disc diffusion method.

Materials And Methods: Fifty two samples were collected, comprising clinically sick (32 ducks) and dead ducks (20). PCR confirmation was accomplished, and consistent findings were observed, employing EL (271-bp) gene as appropriate molecular markers.

View Article and Find Full Text PDF

Multidrug-resistant (MDR) foodborne pathogens have created a great challenge to the supply and consumption of safe & healthy animal-source foods. The study was conducted to identify the common foodborne pathogens from animal-source foods & by-products with their antimicrobial drug susceptibility and resistance gene profile. The common foodborne pathogens Escherichia coli (E.

View Article and Find Full Text PDF

Lumpy skin disease (LSD) is an acute infectious viral disease of cattle with a wide distribution that emerged in Bangladesh in 2019, causing huge economic losses. This study was undertaken to investigate the epidemiological features of LSD emergence in nine districts of Bangladesh between December 2019 and December 2020. A total of 8215 cattle from 603 herds were investigated and LSD was diagnosed based on the characteristic clinical findings.

View Article and Find Full Text PDF

This study aimed to examine the effects of multi-species probiotic on growth, hematological status, intestinal microbes, and intestinal morphology of mrigal (). The mrigal fries (average weight 0.51 g) were reared for 60 days by supplementing multi-species probiotics containing Bacillus spp.

View Article and Find Full Text PDF

The Motile Aeromonas Septicemia (MAS) is an important disease of cultured catfishes ( and ), caused by different species of Aeromonas bacteria which have been documented to be higher death rates (≤70%) in Bangladesh since 2016. Present study was conducted to develop bi-valent vaccine using and , and to validate their efficacy via intra-muscular (IM) and oral-routes of immunization in selected species of fishes. Brood fishes of the three species were immunized with three doses of inactivated vaccine (10 CFU /2.

View Article and Find Full Text PDF

The widespread and indiscriminate use of antimicrobials in food animals is a key contributor to antimicrobial resistance and antimicrobial residue, which have become a growing public and animal health concern in developing countries such as Bangladesh. This study was aimed to assess the knowledge, attitude, and practices (KAP) of large-animal farmers towards antimicrobial use (AMU), antimicrobial resistance (AMR), and antimicrobial residue (AR) with their correlation. A cross-sectional survey was conducted with a structured and pretested questionnaire in the Mymensingh division of Bangladesh.

View Article and Find Full Text PDF

The poultry industry has grown so fast alongside the irrational use of antibiotics to maximize profit and make the production cost-effective during the last few decades. The rising and indiscriminate use of antibiotics might result in the deposition of residues in poultry food products and in the development of resistance to these drugs by microorganisms. Therefore, many diseases are becoming difficult to treat both in humans and animals.

View Article and Find Full Text PDF

Objective: is one of the most common street foods in Bangladesh. It is served with salad, sweet and sour tamarind dispersed water, and minced eggs as topping at places where people usually gather. This makes these foods susceptible to bacterial contamination.

View Article and Find Full Text PDF

Antimicrobial resistance (AMR) is a major health crisis globally. Migratory birds could be a potential source for antibiotic resistant (ABR) bacteria. Not much is known about their role in the transmission of ABR in Bangladesh.

View Article and Find Full Text PDF

Objective: This study was undertaken to compare the curative efficacy of marigold leaf paste and turmeric paste on healing the incised wound in sheep. The study also determined the antimicrobial effects and histopathological changes in a wound's healing process treated with these medicinal herbs.

Materials And Methods: Surgical wounds ( = 18) were created aseptically in the skin of the flank region of six healthy sheep dividing them into three experimental groups.

View Article and Find Full Text PDF

Diseases caused by () and spp. can negatively impact turkey farming. The aim of this study was to isolate and characterize multidrug-resistant (MDR) and spp.

View Article and Find Full Text PDF

Objective: spp., particularly, is a major etiology of diarrhea in humans worldwide. In this study, we isolated and identified from the human stool of suspected cases along with antibiogram.

View Article and Find Full Text PDF

Objectives: Drug residues in poultry products could lead to the development of antibiotic-resistant bacteria as in any living animal and human alike. Extensive use of antibiotics in animals to promote growth rate, increase feed efficiency, and for prevention of intestinal infections has led to the development of resistant bacteria in the gastrointestinal tract. The present study was conducted to evaluate the effects of biological supplementation of probiotic, phytobiotic, and their combination over antibiotic on growth performance, microbial load, and hematological parameters in Broiler.

View Article and Find Full Text PDF

Objective: The present study was aimed to evaluate dose-dependent effects of phytobiotic (Galibiotic) supplements in feed on growth performance, hematological parameters, intestinal pH, and gut bacterial population in broiler chick.

Materials And Methods: A total of 50 ten day old broiler chicks were divided into five groups, namely, Group A as control (without galibiotic), Group B (galibiotic at 1 gm/kg feed), Group C (galibiotic at 2 gm/kg feed), Group D (galibiotic at 5 gm/kg feed), and Group E (galibiotic at 10 gm/kg feed). All the birds were reared for 42 days and samples were collected before and after sacrifice.

View Article and Find Full Text PDF