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 8.13
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -8.57 -0.375 3.21
Prot (kg) -5.38 -0.441 2.37
Fertility Sub Index 4.10
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) -0.01 1.117 -0.01
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index 1.68
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 2.46 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price