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 3.14
Milk (kg) -109.00 -0.014 1.53
Fat (kg) 2.10 -0.375 -0.79
Prot (kg) -5.44 -0.441 2.40
Fertility Sub Index -0.12
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.52
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 3.53 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 4.08

* Based on an €80/tonne carbon price