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 6.30
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -5.05 -0.375 1.89
Prot (kg) -4.92 -0.441 2.17
Fertility Sub Index 8.00
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) 1.17 1.117 1.31
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index 0.19
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 18.39

* Based on an €80/tonne carbon price