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 2.92
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -2.44 -0.375 0.91
Prot (kg) -3.35 -0.441 1.48
Fertility Sub Index 0.92
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.09
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 4.70

* Based on an €80/tonne carbon price