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 4.96
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -8.49 -0.375 3.18
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index 5.52
Calving Interval (days) -4.76 -1.459 6.95
Survival (%) -1.28 1.117 -1.43
Calving Sub Index -0.82
Gestation Length (days) 0.89 -0.919 -0.82
Beef Sub Index 2.83
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -3.38 -0.432 1.46
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 16.19

* Based on an €80/tonne carbon price