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 5.23
Milk (kg) -197.00 -0.014 2.76
Fat (kg) 0.27 -0.375 -0.10
Prot (kg) -5.82 -0.441 2.57
Fertility Sub Index -2.41
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) -0.81 1.117 -0.90
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 2.13
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 6.87

* Based on an €80/tonne carbon price