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 8.43
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -8.41 -0.375 3.15
Prot (kg) -7.02 -0.441 3.10
Fertility Sub Index 0.08
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.10 1.117 0.11
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.03
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 17.15

* Based on an €80/tonne carbon price