I do not have access to real-time data, including agricultural statistics for specific counties like Jackson County, Georgia. Therefore, I cannot definitively answer what the highest livestock species is in terms of population numbers. To find this information, I recommend the following:
1. Contact the Jackson County Extension Office: Your local University of Georgia (UGA) Extension office will have the most up-to-date and accurate agricultural data for Jackson County. They work directly with farmers and have access to census data and surveys.
2. Check the USDA's Agricultural Census Data: The United States Department of Agriculture (USDA) conducts regular agricultural censuses. Their website (usda.gov) is a valuable resource. You can search for data specific to Georgia and Jackson County.
3. Search for Jackson County, Georgia Agricultural Reports: Some county governments or agricultural organizations publish annual reports or summaries of agricultural activity. Check the Jackson County government website.
4. Contact Local Agricultural Organizations: Local farming organizations or agricultural businesses in Jackson County might have insights into the dominant livestock species.
In summary: While I cannot provide the answer directly, using the resources above will allow you to find the definitive answer on the highest livestock species population in Jackson County, Georgia.