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 8.28
Milk (kg) -255.00 -0.014 3.57
Fat (kg) -5.64 -0.375 2.11
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 6.78
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 0.78 1.117 0.87
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 1.84
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 21.55

* Based on an €80/tonne carbon price