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 -5.78
Milk (kg) 40.00 -0.014 -0.56
Fat (kg) 7.22 -0.375 -2.70
Prot (kg) 5.70 -0.441 -2.52
Fertility Sub Index -2.53
Calving Interval (days) 1.41 -1.459 -2.06
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 4.03
Gestation Length (days) -4.38 -0.919 4.03
Beef Sub Index 0.03
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 7.99 -0.432 -3.45
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index -3.63

* Based on an €80/tonne carbon price