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 2.19
Milk (kg) 16.00 -0.014 -0.22
Fat (kg) -1.27 -0.375 0.48
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index 2.20
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.62
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 5.11 -0.432 -2.21
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 3.63

* Based on an €80/tonne carbon price