Table 6.

Keywords with the highest occurrence in the papers.

Ranking	Keyword 1	Occurrence	Ranking	Keyword	Occurrence
1	article	100	11	calpastatin	46
2	animals	97	12	skeletal muscle	45
3	meat	88	13	gene frequency	41
4	cattle	85	14	calpain	41
5	genetics	77	15	bos	39
6	single nucleotide polymorphism	63	16	bovine	37
7	genotype	62	17	metabolism	35
8	nonhuman	62	18	meat quality	34
9	meat tenderness	55	19	controlled study	33
10	male	46	20	food quality	33

¹ Related keywords such as animal (84 occurrences) and animalia with (37) were omitted.