Is There A Beef Marbling Gene

Inproceedings smith2012increasingmg title increasing marbling gene expression in beef cattle with dietary lipids author s. Genetic aspects of marbling in beef carcasses andy d. There is a need.

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Marbling or the intramuscular flavor fat.

Is there a beef marbling gene.

Johnson year 2012 s. Until now there was no comprehensive review of research into the genetics of marbling but texas a m geneticist andy herring recently completed the white paper genetic aspects of marbling in beef carcasses the literature review encompasses 52 studies spanning several decades. Marbling intramuscular fat is an important trait that affects meat quality and is a casual factor determining the price of beef in the korean beef market. The goal of this paper is to review the genetic aspects of marbling in beef carcasses and to serve as a reference source.

Scd or stearoyl coa desaturase is a gene family that distinguishes the healthy fat marbling in wagyu beef from other beef. In a recent research review certified angus beef llc cab vice president larry corah and supply development director mark mccully looked at early management factors that affect one of the traits that earn higher quality grades. Scd testing identifies cattle with the dominant japanese genotype that produces a certain fat composition. Herring department of animal science texas a m university introduction.

Furthermore there is a difference in flavour between grass fed and grain fed beef. What was missing until now was a comprehensive review of research into the genetics of marbling and some reflection on the upshot. Johnson published 2012 currently feedlot producers tend to overfeed pens of cattle to ensure adequate marbling which. Getting cattle to hit the higher quality grades takes effort at every link in the production system.

It is a complex trait and has many biological pathways related to muscle and fat. Marbling in a steak from grass fed cattle offers a beefier flavour than grain fed cattle which tend to have a. Stearic acid and the amino acid valine v make deposited fat harder. Texas a m geneticist andy herring recently completed the white paper genetic aspects of marbling in beef carcasses the literature review encompasses 52 studies spanning several decades.