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 11.34
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -11.08 -0.375 4.15
Prot (kg) -11.28 -0.441 4.98
Fertility Sub Index 3.74
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) 0.55 1.117 0.61
Calving Sub Index 2.62
Gestation Length (days) -2.85 -0.919 2.62
Beef Sub Index 2.47
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 22.15

* Based on an €80/tonne carbon price