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 3.66
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -1.45 -0.375 0.54
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 5.57
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.41 1.117 1.58
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.37
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.57 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 20.45

* Based on an €80/tonne carbon price