Modification of performance traits, Biology

Assignment Help:

Modification of performance traits

Modifications to livestock that could influence traits such as growth rate, feed efficiency and meat quality are major goals for livestock breeding in agriculture. Mice in which the myostatin gene has been knocked out have considerably more skeletal muscle than wild type controls. The double-muscle phenotype of some breeds of cattle is caused by natural mutations of this gene and these are widely bred in Europe for improved meat quality. Knockout of this gene in sheep or pigs could produce animals with increased skeletal muscle mass and improved meat quality, although there are clearly major ethical issues relating to animal welfare that would have to be considered if these types of animal were generated.

Other areas of transgenic applications in animal agriculture include modifying milk composition to increase milk proteins, to decrease milk fat or to change milk composition to provide a source of milk for lactose-intolerant individuals or to provide a source of milk that is more efficiently processed into cheese. An area that definitely needs more exploration is the use of the chicken oviduct as a bioreactor. This approach has numerous advantages over the transgenic mammary gland. To name a few, the ease of collecting the product, short generation times, quantity, safety and low costs are unmatched by the traditional approach of transgenic milk. However, this system is still in its infancy because micromanipulation of the chicken embryo is very difficult, and transgenic chickens are often mosaics. It is also possible that the best protein expression levels will be obtained when multiple copies of transgene integrate into a particular favourable chromosomal locus. Cloning will greatly reduce timeliness to get therapeutic products to the market by producing large number of genetically identical transgenic livestock animals in the first generation.


Related Discussions:- Modification of performance traits

What is the external rigid carapace of arthropods called, Q What is the ext...

Q What is the external rigid carapace of arthropods called? Of which substance is it made? Which kind of organic molecule is that substance? The exterior carapace of arthropods

What is periotest, What is Periotest Periotest: An electronic device ...

What is Periotest Periotest: An electronic device  originally developed by Schulte designed to measure the dampening effect or attenuation degree  characteristics of the peri

What are some prophylactic measures for tapeworm infections, Q. What are so...

Q. What are some prophylactic measures for tapeworm infections? The major prophylactic measures against the taeniasis and the cysticercosis are not to ingest raw or badly cooke

Define method for radiographic evaluation of the outcome, Method for Radiog...

Method for Radiographic evaluation of the outcome or RCT Ørstavik and associates suggest the use of the periapical index (PAI) for radiographic evaluation of the outcome of roo

Denaturizing be classified regarding its reversibility, How can denaturizin...

How can denaturizing be classified regarding its reversibility? Ans) Protein denaturizing can be a reversible or irreversible process, i.e., it can be possible or impossible to

Define types of circulatory systems, Q. What are the two kinds of circulat...

Q. What are the two kinds of circulatory systems? The circulatory systems can be classified into closed circulatory system and open circulatory system.

Name the corrosion resistant metals, Name the corrosion resistant metals ...

Name the corrosion resistant metals Most of the corrosion resistant metals or alloys used for implants have a layer of oxides on their surface. The thin (approximately 5 nm) la

What are the illustrations of the civil law, What are the illustrations of ...

What are the illustrations of the civil law? Illustrations of the civil law: Illustrations of civil actions are defamation of breach, character of contract, trespassing or

.phylum pisces, wt is an air bladder and its function wt is catadromous and...

wt is an air bladder and its function wt is catadromous and anadromus migration

Symmetry system characterized in echinoderms, Q. How are the nervous and th...

Q. How are the nervous and the symmetry system characterized in echinoderms? Adult echinoderms, along with cnidarians, are the animals that present radial symmetry that is thei

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