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 14.80
Milk (kg) -303.00 -0.014 4.24
Fat (kg) -14.17 -0.375 5.31
Prot (kg) -11.89 -0.441 5.25
Fertility Sub Index 8.50
Calving Interval (days) -5.18 -1.459 7.56
Survival (%) 0.84 1.117 0.94
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 0.45
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.03 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index -0.77
Live WT (kg) 2.50 -0.307 -0.77
Total Carbon Sub Index 24.11

* Based on an €80/tonne carbon price