Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Maedi/visna
Maedi, a progressive pneumonia, and visna, a neurotropic disease, found in sheep and goats are caused by the Maedi/visna virus, belonging to the family Retroviridae. It is a zoonotic disease. The disease has not been reported from India.Epidemiology: The transmission of disease takes place through inhalation, drinking contaminated water and colostrum by young ones. The intrauterine transmission of the virus has also been observed.
Clinical signs: Incubation period of over 2 years and has protracted clinical course lasting 6 months to several years.Maedi (progressive pneumonia): Progressive weight loss and dyspnoea, initially detected after exercise, and becomes more apparent over time. Affected sheep straggles, head jerking with inspiration and nostrils are flared. There may be nasal discharge and cough.
Visna: Weakness of the hindleg and stumbling. Progressive weight loss and trembling of facial muscels and limbs is seen leading to paraplegia.Diagnosis: The disease is diagnosed histopathology. Enzyme immunoassay, agar gel diffusion and syncytial plaque reduction assays are used for detection of antibodies. Western blotting is used for confirmation of the disease. Viral DNA is detected in cells by in situ hybridization or viral RNA amplification by RT-PCR.
Prevention and control: Slaughtering of sero-positive sheep is one of the approaches suggested for containing the infection. Dipping of sheep with acaricides and spraying in environment controls ticks.
Define prevention of idd by Iodized Oil? The other approach employed as a specific measure for women and children in hyper-endemic areas is injection of iodized oil. Intramuscu
Q What are the major functions of the blood? The blood is a means of substance transportation throughout the body. The blood distributes hormones, nutrients, oxygen, cells and
Why and how does the food get spoiled? There are several causes of food spoilage. These include: Growth of Microorganisms, such as bacteria, molds and yeasts, which can
Peroxisomes and Glyoxisomes A number of metabolic reactions, such as, the oxidation of amino acids and lipids result in the production of hydrogen peroxide. As hydrogen peroxid
What is Ecology? Ecology is the field of Biology that studies the relationship among living beings and among living beings and the environment.
A laboratory mouse homozygous for an RFLP marker is mated to a wild mouse that is heterozygous for that marker. One of the heterozygous individuals resulting from this cross is mat
WHAT IS SYMBIOTIC THEORY. PLEASE EXPLAIN THIS TO ME IN A VERY SIMPLE WAY.
How does photoperiodism affect the flowering of some plants? The Flowering is an easy and typical to observe example of photoperiodism. Most of flowering plants flower only dur
Class of Crustacea - Ostracoda Generally called mussel or seed-shrimps, Ostracoda include both fresh water and marine forms. The small crustaceans, computing a few mm have the
Explain the Cardiovascular Effects? You must have heard of the 'French Paradox'. The lower incidence of heart attacks in certain areas of France despite higher prevalence of fa
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd