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 0.97
Milk (kg) -83.00 -0.014 1.16
Fat (kg) 1.34 -0.375 -0.50
Prot (kg) -0.70 -0.441 0.31
Fertility Sub Index 0.92
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 0.88 1.117 0.98
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index 0.61
Carcass Weight (kg) -2.85 -0.528 1.50
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 4.44

* Based on an €80/tonne carbon price