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 1.91
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -2.34 -0.375 0.88
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 7.99
Calving Interval (days) -4.30 -1.459 6.27
Survival (%) 1.54 1.117 1.72
Calving Sub Index -0.83
Gestation Length (days) 0.90 -0.919 -0.83
Beef Sub Index 1.09
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 13.14

* Based on an €80/tonne carbon price