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 1.86
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 4.72 -0.375 -1.77
Prot (kg) -7.59 -0.441 3.35
Fertility Sub Index -5.76
Calving Interval (days) 2.74 -1.459 -4.00
Survival (%) -1.58 1.117 -1.77
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.11
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -3.43

* Based on an €80/tonne carbon price