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 8.94
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -9.54 -0.375 3.57
Prot (kg) -7.53 -0.441 3.32
Fertility Sub Index 5.15
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 0.27 1.117 0.30
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index 0.18
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 17.50

* Based on an €80/tonne carbon price