1. Angus: Known for its hardiness and adaptability to various climates and terrains, Angus cattle are popular for their high-quality meat and are often used in crossbreeding to improve meat quality.
2. Hereford: Known for their hardiness and adaptability to various climates and terrains, Hereford cattle are also known for their high-quality meat and are often used in crossbreeding to improve meat quality.
3. Holstein: The Holstein breed is the most common dairy breed in the United States, known for their high milk production and are often used in crossbreeding to improve milk production.
4. Jersey: Jersey cattle are known for their high milk production and are often used in crossbreeding to improve milk production.
5. Charolais: Charolais cattle are known for their high growth rate and are often used in crossbreeding to improve meat quality and growth rate.
6. Brahman: Brahman cattle are known for their heat tolerance and are often used in crossbreeding to improve heat tolerance and disease resistance.
7. Limousin: Limousin cattle are known for their high growth rate and are often used in crossbreeding to improve meat quality and growth rate.
8. Simmental: Simmental cattle are known for their high milk production and are often used in crossbreeding to improve milk production.
9. Brown Swiss: Brown Swiss cattle are known for their high milk production and are often used in crossbreeding to improve milk production.
10. Shorthorn: Shorthorn cattle are known for their hardiness and adaptability to various climates and terrains, and are often used in crossbreeding to improve meat quality.
11. Ayrshire: Ayrshire cattle are known for their high milk production and are often used in crossbreeding to improve milk production.
12. Guernsey: Guernsey cattle are known for their high milk production and are often used in crossbreeding to improve milk production.
13. Red Poll: Red Poll cattle are known for their hardiness and adaptability to various climates and terrains, and are often used in crossbreeding to improve meat quality.
14. Santa Gertrudis: Santa Gertrudis cattle are known for their heat tolerance and are often used in crossbreeding to improve heat tolerance and disease resistance.
15. Gelbvieh: Gelbvieh cattle are known for their high growth rate and are often used in crossbreeding to improve meat quality and growth rate.
16. Maine-Anjou: Maine-Anjou cattle are known for their high growth rate and are often used in crossbreeding to improve meat quality and growth rate.
17. Murray Grey: Murray Grey cattle are known for their hardiness and adaptability to various climates and terrains, and are often used in crossbreeding to improve meat quality.
18. Salers: Salers cattle are known for their hardiness and adaptability to various climates and terrains, and are often used in crossbreeding to improve meat quality.
19. South Devon: South Devon cattle are known for their hardiness and adaptability to various climates and terrains, and are often used in crossbreeding to improve meat quality.
20. Sussex: Sussex cattle are known for their hardiness and adaptability to various climates and terrains, and are often used in crossbreeding to improve meat quality.