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 5.20
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -7.98 -0.375 2.99
Prot (kg) -1.14 -0.441 0.50
Fertility Sub Index 6.28
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 1.60 1.117 1.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.86
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.76 -0.432 0.33
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 22.70

* Based on an €80/tonne carbon price