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 8.56
Milk (kg) -206.00 -0.014 2.88
Fat (kg) -6.85 -0.375 2.57
Prot (kg) -7.04 -0.441 3.11
Fertility Sub Index 3.04
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) -0.52 1.117 -0.58
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 3.25
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) -1.53 -0.432 0.66
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 17.53

* Based on an €80/tonne carbon price