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 5.43
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -4.45 -0.375 1.67
Prot (kg) -3.04 -0.441 1.34
Fertility Sub Index 6.09
Calving Interval (days) -3.84 -1.459 5.60
Survival (%) 0.44 1.117 0.49
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.49
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) -2.48 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 14.53

* Based on an €80/tonne carbon price