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 3.59
Milk (kg) -12.00 -0.014 0.17
Fat (kg) -6.20 -0.375 2.32
Prot (kg) -2.49 -0.441 1.10
Fertility Sub Index 7.45
Calving Interval (days) -5.25 -1.459 7.66
Survival (%) -0.19 1.117 -0.21
Calving Sub Index -1.24
Gestation Length (days) 1.35 -0.919 -1.24
Beef Sub Index 1.59
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 15.28

* Based on an €80/tonne carbon price