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 9.70
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -10.74 -0.375 4.02
Prot (kg) -9.44 -0.441 4.17
Fertility Sub Index 5.11
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) 0.21 1.117 0.23
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 0.99
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.72 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 19.06

* Based on an €80/tonne carbon price