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 12.71
Milk (kg) -309.00 -0.014 4.33
Fat (kg) -11.29 -0.375 4.23
Prot (kg) -9.42 -0.441 4.16
Fertility Sub Index 8.18
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.89 1.117 2.11
Calving Sub Index 1.62
Gestation Length (days) -1.76 -0.919 1.62
Beef Sub Index 0.30
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -1.18 -0.432 0.51
Maintenance Sub Index Maint. Sub Index -0.74
Live WT (kg) 2.40 -0.307 -0.74
Total Carbon Sub Index 22.07

* Based on an €80/tonne carbon price