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 1.40
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -0.84 -0.441 0.37
Fertility Sub Index 4.22
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 1.35 1.117 1.51
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 2.05
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.09 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 19.08

* Based on an €80/tonne carbon price