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 7.19
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -8.97 -0.375 3.36
Prot (kg) -6.05 -0.441 2.67
Fertility Sub Index 7.11
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 2.39 1.117 2.67
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.45
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 17.56

* Based on an €80/tonne carbon price