Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 18.57
Milk (kg) -441.00 -0.014 6.17
Fat (kg) -15.96 -0.375 5.98
Prot (kg) -14.54 -0.441 6.42
Fertility Sub Index 7.52
Calving Interval (days) -5.10 -1.459 7.44
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index -1.01
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 3.07 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 26.61

* Based on an €80/tonne carbon price