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 5.78
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -10.31 -0.375 3.86
Prot (kg) -1.96 -0.441 0.87
Fertility Sub Index 5.93
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 1.70 1.117 1.90
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -2.78
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 8.14 -0.432 -3.51
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 12.55

* Based on an €80/tonne carbon price