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 4.57
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -7.00 -0.375 2.62
Prot (kg) -4.29 -0.441 1.89
Fertility Sub Index 1.28
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.23 1.117 0.26
Calving Sub Index -1.23
Gestation Length (days) 1.34 -0.919 -1.23
Beef Sub Index 0.76
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) -8.47 -0.432 3.66
Maintenance Sub Index Maint. Sub Index -6.38
Live WT (kg) 20.80 -0.307 -6.38
Total Carbon Sub Index -1.00

* Based on an €80/tonne carbon price