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 14.43
Milk (kg) -252.00 -0.014 3.53
Fat (kg) -14.62 -0.375 5.48
Prot (kg) -12.29 -0.441 5.42
Fertility Sub Index 1.15
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.51 1.117 0.57
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.38
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 25.62

* Based on an €80/tonne carbon price