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 6.15
Milk (kg) -255.00 -0.014 3.57
Fat (kg) -2.08 -0.375 0.78
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index 5.51
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 0.71 1.117 0.79
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 0.19
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 20.21

* Based on an €80/tonne carbon price