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 9.05
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -8.79 -0.375 3.29
Prot (kg) -7.69 -0.441 3.39
Fertility Sub Index 0.79
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 10.88

* Based on an €80/tonne carbon price