Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Sputum Studies II: Culture and Sensitivity

Sputum Studies II: Culture and Sensitivity

Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...

Acute Pharyngitis

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

Respiratory Syncytial Virus Disease

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...

Methods of reducing fever

Methods of reducing fever

The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:

Diphtheria

Diphtheria

Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...

Chronic Pharyngitis

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Severe postpartum osteoporosis with increased PTHrP during lactation in a patient after total thyroidectomy and parathyroidectomy.

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·2011

Same author

Diagnosis of turkey meningoencephalitis virus infection in field cases by RT-PCR compared to virus isolation in embryonated eggs and suckling mice.

Avian pathology : journal of the W.V.P.A·2009

Same author

Unique co-expression of immune cell-related genes in IBDV resistant chickens indicates the activation of specific cellular host-response mechanisms.

Developments in biologicals·2008

Same author

Identification of a bovine mastitis Escherichia coli subset.

Veterinary microbiology·2008

Same author

The toxic effects of monensin and chloramphenicol on laying turkey breeder hens.

Avian pathology : journal of the W.V.P.A·2008

Same author

Differential diagnosis of two paralytic conditions affecting young chickens with emphasis on PCR findings.

Avian pathology : journal of the W.V.P.A·2008

Search research articles

Related Experiment Video

Updated: Jul 2, 2026

Influenza Virus Propagation in Embryonated Chicken Eggs

Influenza Virus Propagation in Embryonated Chicken Eggs

Published on: March 19, 2015

Experimental studies on turkey coryza.

E D Heller¹, Y Weisman, A Aharonovovitch

¹Department of Animal Science, Faculty of Agriculture, Rehovot, Israel.

Avian Pathology : Journal of the W.V.P.A

|April 1, 1984

Summary

This summary is machine-generated.

Severe respiratory disease in turkeys was studied. Combinations of Yucaipa virus, Alcaligenes faecalis, and Mycoplasma gallisepticum caused the highest mortality, especially when turkeys were bursectomized.

More Related Videos

Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice

Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice

Published on: June 27, 2020

Related Experiment Videos

Last Updated: Jul 2, 2026

Influenza Virus Propagation in Embryonated Chicken Eggs

Influenza Virus Propagation in Embryonated Chicken Eggs

Published on: March 19, 2015

Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice

Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice

Published on: June 27, 2020

Area of Science:

Veterinary Medicine
Avian Pathology
Infectious Diseases

Background:

A severe disease affecting turkey flocks in Israel presented with respiratory distress, nasal discharge, sinus swelling, and conjunctivitis.
Pathogenic agents implicated included Paramyxovirus (Yucaipa virus), Alcaligenes faecalis, and Mycoplasma gallisepticum.

Purpose of the Study:

To experimentally reproduce the observed field disease symptoms in turkey poults.
To evaluate the individual and combined pathogenicity of Yucaipa virus, Alcaligenes faecalis, and Mycoplasma gallisepticum.

Main Methods:

Turkey poults were experimentally infected with Yucaipa virus, Alcaligenes faecalis, and Mycoplasma gallisepticum, individually and in combination.
The effect of bursectomy at one day of age on disease severity was assessed.

Main Results:

Yucaipa virus alone induced mild respiratory symptoms; Alcaligenes faecalis alone caused moderate to severe symptoms.
Mycoplasma gallisepticum alone resulted in mortality. Combinations of Yucaipa virus or Alcaligenes faecalis with Mycoplasma gallisepticum led to the highest mortality rates in intact poults.
Bursectomy significantly worsened the severity of all experimentally induced disease conditions.

Conclusions:

Mycoplasma gallisepticum is a significant contributor to mortality in turkeys, particularly when combined with other respiratory pathogens like Yucaipa virus or Alcaligenes faecalis.
The bursa of Fabricius plays a crucial role in modulating the host's response to these infections, with its absence exacerbating disease severity.