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 17.13
Milk (kg) -305.00 -0.014 4.27
Fat (kg) -16.13 -0.375 6.04
Prot (kg) -15.44 -0.441 6.81
Fertility Sub Index 4.28
Calving Interval (days) -4.33 -1.459 6.32
Survival (%) -1.82 1.117 -2.03
Calving Sub Index -3.54
Gestation Length (days) 3.85 -0.919 -3.54
Beef Sub Index 2.35
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -3.74 -0.432 1.61
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 23.17

* Based on an €80/tonne carbon price