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 4.59
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -5.05 -0.441 2.23
Fertility Sub Index 6.03
Calving Interval (days) -3.55 -1.459 5.18
Survival (%) 0.76 1.117 0.85
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.44
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 14.41

* Based on an €80/tonne carbon price