ERS	extensive rearing systems
PUFA	polyunsaturated fatty acids
TBARS	thiobarbituric reactive substances
SNPs	single nucleotide polymorphisms
FG	fast growing
SG	slow growing
HF	hypercontracted fibers
GF	giant fibers
MG	medium-growing
GMO	genetically modified organism
ROS	reactive oxygen species
VOC	volatile organic compound
ALA	linolenic acid
EPA	eicosapentaenoic acid
DPA	docosapentanoic acid
DHA	docosahexaenoic acid