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 7.69
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -7.85 -0.375 2.94
Prot (kg) -6.14 -0.441 2.71
Fertility Sub Index 9.96
Calving Interval (days) -4.73 -1.459 6.90
Survival (%) 2.74 1.117 3.06
Calving Sub Index -3.19
Gestation Length (days) 3.47 -0.919 -3.19
Beef Sub Index 1.11
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -0.86 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 18.06

* Based on an €80/tonne carbon price