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 3.40
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 4.29
Calving Interval (days) -1.71 -1.459 2.49
Survival (%) 1.61 1.117 1.80
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -1.60
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 8.35 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 7.27
Live WT (kg) -23.70 -0.307 7.27
Total Carbon Sub Index 14.13

* Based on an €80/tonne carbon price