Livestock biometrics

Grader A: hit

SCR Heatime activity collars launched commercially in 2006 and rumination-monitoring collars in 2008, later used on more than 5 million cows. GPS collars (Halter) were commercial by 2022.

Test: D37 Horizons: livestock monitoring collars buyable by ordinary farms by 2022 (earlier counts).

• SCR by Allflex smart collars for cows honored (Hoard's Dairyman) (2019): Heatime launched commercially 2006; rumination-monitoring collars 2008; used on more than 5 million cows.

Grader B: hit

SCR (Allflex) Heatime rumination/activity collars and CowManager ear sensors were sold commercially in the 2000s-2010s.

Test: Farmers could buy livestock biometric monitoring products by 2022 (earlier counts).

• Allflex Livestock Monitoring (SCR) (2014): Commercial collar-based cow monitoring for heat and health.
• CowManager (2014): Ear sensor measuring temperature, rumination, activity sold to dairy farms.