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 3.79
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -3.89 -0.375 1.46
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 4.04
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) -0.04 1.117 -0.04
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 1.35
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 13.12

* Based on an €80/tonne carbon price