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 12.26
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -12.69 -0.375 4.75
Prot (kg) -10.04 -0.441 4.43
Fertility Sub Index 4.42
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index 0.34
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 20.11

* Based on an €80/tonne carbon price