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 10.82
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -12.03 -0.375 4.51
Prot (kg) -8.46 -0.441 3.73
Fertility Sub Index 1.19
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.14 1.117 0.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.32
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 22.44

* Based on an €80/tonne carbon price