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 5.04
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -6.11 -0.375 2.29
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index 4.31
Calving Interval (days) -4.22 -1.459 6.16
Survival (%) -1.65 1.117 -1.84
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index 2.66
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -4.58 -0.432 1.98
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 13.21

* Based on an €80/tonne carbon price