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 6.17
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -5.23 -0.375 1.96
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 6.45
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 1.67 1.117 1.87
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -0.63 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 13.10

* Based on an €80/tonne carbon price