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 9.04
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -7.07 -0.375 2.65
Prot (kg) -9.12 -0.441 4.03
Fertility Sub Index 3.30
Calving Interval (days) -1.82 -1.459 2.66
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 13.88

* Based on an €80/tonne carbon price