Cattle breeders have improved the quality of meat over the years by which process?

Selection process

Explanation:

Cattle breeders have improved the quality of meat over the years by artificial selection and directional selection

Artificial selection includes the breeding technologies like artificial insemination and embryo transfer to get the desired variety of animalArtificial insemination (AI) involves placing semen directly into the uterus Embryo transfer involves transferring fertilized ova from a donor female to a recipient female who then rears the calfDirectional selection is a type of selection procedure in which only dominant species are selected,recessive and intermediate species are eliminated from selection procedure

Genetic engineering is the answer.