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 6.13
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -7.12 -0.441 3.14
Fertility Sub Index -0.02
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index -1.13
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index -0.83
Live WT (kg) 2.70 -0.307 -0.83
Total Carbon Sub Index 3.79

* Based on an €80/tonne carbon price