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 9.77
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -11.74 -0.375 4.40
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index 3.61
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) -1.03 1.117 -1.15
Calving Sub Index 1.59
Gestation Length (days) -1.73 -0.919 1.59
Beef Sub Index 2.05
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.71 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price