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 6.60
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -5.10 -0.375 1.91
Prot (kg) -7.21 -0.441 3.18
Fertility Sub Index 3.50
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index -0.67
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index -4.57
Live WT (kg) 14.90 -0.307 -4.57
Total Carbon Sub Index 5.27

* Based on an €80/tonne carbon price