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 2.31
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -1.51 -0.375 0.57
Prot (kg) -1.76 -0.441 0.78
Fertility Sub Index 7.97
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.70 1.117 1.90
Calving Sub Index 1.42
Gestation Length (days) -1.54 -0.919 1.42
Beef Sub Index 2.04
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 0.66 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 20.41

* Based on an €80/tonne carbon price