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 6.09
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -6.33 -0.375 2.37
Prot (kg) -2.87 -0.441 1.27
Fertility Sub Index -1.19
Calving Interval (days) 1.43 -1.459 -2.09
Survival (%) 0.80 1.117 0.89
Calving Sub Index -1.04
Gestation Length (days) 1.13 -0.919 -1.04
Beef Sub Index 0.30
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.31 -0.432 -1.86
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 9.49

* Based on an €80/tonne carbon price