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 13.10
Milk (kg) -239.00 -0.014 3.35
Fat (kg) -15.10 -0.375 5.66
Prot (kg) -9.28 -0.441 4.10
Fertility Sub Index 9.04
Calving Interval (days) -5.00 -1.459 7.30
Survival (%) 1.56 1.117 1.74
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.18
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.15 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 34.66

* Based on an €80/tonne carbon price