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 17.36
Milk (kg) -291.00 -0.014 4.07
Fat (kg) -17.50 -0.375 6.55
Prot (kg) -15.26 -0.441 6.74
Fertility Sub Index 0.60
Calving Interval (days) -0.38 -1.459 0.55
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 19.60

* Based on an €80/tonne carbon price