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 6.68
Milk (kg) -221.00 -0.014 3.09
Fat (kg) -2.86 -0.375 1.07
Prot (kg) -5.70 -0.441 2.52
Fertility Sub Index 6.75
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) 0.92 1.117 1.03
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 2.31
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.15 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 20.28

* Based on an €80/tonne carbon price