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) -118.00 -0.014 1.65
Fat (kg) -1.09 -0.375 0.41
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index -1.09
Calving Interval (days) 0.49 -1.459 -0.71
Survival (%) -0.34 1.117 -0.38
Calving Sub Index -0.98
Gestation Length (days) 1.07 -0.919 -0.98
Beef Sub Index 0.23
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 2.83

* Based on an €80/tonne carbon price