Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 5.21
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -3.55 -0.375 1.33
Prot (kg) -6.35 -0.441 2.80
Fertility Sub Index 1.52
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) 0.08 1.117 0.09
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index 0.99
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 9.23

* Based on an €80/tonne carbon price