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 11.10
Milk (kg) -298.00 -0.014 4.17
Fat (kg) -9.14 -0.375 3.42
Prot (kg) -7.95 -0.441 3.51
Fertility Sub Index 5.29
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 0.83 1.117 0.93
Calving Sub Index 1.18
Gestation Length (days) -1.28 -0.919 1.18
Beef Sub Index 0.43
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -1.37 -0.432 0.59
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 20.00

* Based on an €80/tonne carbon price