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 1.80
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -0.58 -0.441 0.26
Fertility Sub Index 6.57
Calving Interval (days) -3.79 -1.459 5.53
Survival (%) 0.93 1.117 1.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 10.41

* Based on an €80/tonne carbon price