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 4.31
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index 0.97
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 7.06

* Based on an €80/tonne carbon price