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 10.78
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -11.34 -0.375 4.25
Prot (kg) -9.26 -0.441 4.09
Fertility Sub Index 7.10
Calving Interval (days) -3.78 -1.459 5.52
Survival (%) 1.42 1.117 1.59
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 0.18
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 21.93

* Based on an €80/tonne carbon price