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 7.03
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -5.99 -0.375 2.24
Prot (kg) -8.22 -0.441 3.63
Fertility Sub Index -13.10
Calving Interval (days) 6.46 -1.459 -9.43
Survival (%) -3.29 1.117 -3.68
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index -1.22
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 5.63 -0.432 -2.43
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index -6.42

* Based on an €80/tonne carbon price