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 4.78
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -1.56 -0.375 0.58
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index -3.99
Calving Interval (days) 3.11 -1.459 -4.54
Survival (%) 0.49 1.117 0.55
Calving Sub Index 1.61
Gestation Length (days) -1.75 -0.919 1.61
Beef Sub Index 1.44
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -1.01 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 6.90

* Based on an €80/tonne carbon price