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 3.76
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -3.21 -0.375 1.20
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index 5.44
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.34 1.117 1.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.55
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.23 -0.432 0.96
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 21.98

* Based on an €80/tonne carbon price