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 4.47
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -4.65 -0.375 1.74
Prot (kg) -4.22 -0.441 1.86
Fertility Sub Index 2.81
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 1.09
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 11.28

* Based on an €80/tonne carbon price