Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 9.43
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -8.74 -0.375 3.27
Prot (kg) -9.10 -0.441 4.02
Fertility Sub Index 5.68
Calving Interval (days) -4.00 -1.459 5.84
Survival (%) -0.14 1.117 -0.16
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 1.03
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -0.06 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 17.62

* Based on an €80/tonne carbon price