Scrapie, Biology

Assignment Help:

Scrapie

This is a chronic fatal disease of sheep and occasionally of goats caused by a Prion agent similar to BSE. The disease is reported from Europe, North America and in a few countries of Africa and Asia.

Clinical signs: Incubation period is of 2-5 years. Affected sheep show excitement, signs of muscular tremors of head and neck, wavering gait, vacant look and paraplegia. Sheep develop pruritus with wool loss and skin rubbed raw. They loose weight and ultimately die.

Diagnosis: The disease is diagnosed by the clinical signs, direct electron microscopy of brain material or demonstration of Prion protein by Western blot. The agent can be transmitted to mice and hamster and these species are being used as laboratory models for characterizing the agent.


Prevention and control:
The disease is controlled by systematic detection of infected  and in-contact animals and their disposal by slaughter and consequently building disease free "certified flocks".


Related Discussions:- Scrapie

What are the main events of the final mitotic period, What are the main eve...

What are the main events of the final mitotic period? The final mitotic phase is telophase. In telophase the following events happens: decondensation of chromosomes, every set

Ecology, Ecology Very often a word has a precise well-defined meaning i...

Ecology Very often a word has a precise well-defined meaning in scientific literature but is loosely used in everyday language. It is, therefore, necessary for you to be clear

What is food pyramid, Food Pyramid The diabetes food pyramid divides fo...

Food Pyramid The diabetes food pyramid divides food into six groups. These groups vary with each other on the basis of size occupied in the pyramid. The largest i.e. grains, br

Enhance the expression of the sefp testing, Baculovirus is widely used for ...

Baculovirus is widely used for expressing recombinant proteins. Structural of baculovirus is a rod-shaped nucleocapsid containing genomic DNA. The baculovirus Autographa California

Head stream of highland brook zone, Head stream of Highland brook zone ...

Head stream of Highland brook zone This is formed by a number of small streams, which originate from a marsh, a spring or a glacier. This is a small shallow zone with an irreg

What are enzymes, What are enzymes? What is the importance of enzymes for l...

What are enzymes? What is the importance of enzymes for living beings? Enzymes are proteins that are catalysts of chemical reactions. From Chemistry it is called that catalysts

Pathology, Pathology: This concerned with the identification of different d...

Pathology: This concerned with the identification of different diseases, causative organs, their prevention and control methods. Pathology is a kind of study or diagnosis of diseas

Final atp count in both prokaryotes and eukaryotes, Degrade a monoglyceride...

Degrade a monoglyceride that has an 18-carbon fatty acid attached to it by Ester bonds. You will have to degrade the glycerol component followed by the fatty acid in presence of O2

#ti ZOOLOGY , WHAT ARE SOME INFORMATION ABOUT HUMAN ZOOLOGY?

WHAT ARE SOME INFORMATION ABOUT HUMAN ZOOLOGY?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd