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 5.51
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -5.82 -0.441 2.57
Fertility Sub Index 8.34
Calving Interval (days) -4.73 -1.459 6.90
Survival (%) 1.29 1.117 1.44
Calving Sub Index 0.86
Gestation Length (days) -0.94 -0.919 0.86
Beef Sub Index 0.30
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 17.59

* Based on an €80/tonne carbon price