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 10.87
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -10.05 -0.375 3.76
Prot (kg) -7.94 -0.441 3.50
Fertility Sub Index 10.17
Calving Interval (days) -5.05 -1.459 7.37
Survival (%) 2.51 1.117 2.80
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.22
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 23.40

* Based on an €80/tonne carbon price