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 10.27
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -16.30 -0.375 6.11
Prot (kg) -8.13 -0.441 3.59
Fertility Sub Index 5.17
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 0.70 1.117 0.78
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 0.74
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 19.97

* Based on an €80/tonne carbon price