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 3.60
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 6.86
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) 0.39 1.117 0.44
Calving Sub Index 0.15
Gestation Length (days) -0.16 -0.919 0.15
Beef Sub Index 1.19
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -0.69 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 15.39

* Based on an €80/tonne carbon price