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 0.86
Milk (kg) -43.00 -0.014 0.60
Fat (kg) 2.71 -0.375 -1.02
Prot (kg) -2.89 -0.441 1.28
Fertility Sub Index -0.86
Calving Interval (days) 0.95 -1.459 -1.39
Survival (%) 0.47 1.117 0.53
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index 0.32
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 4.91

* Based on an €80/tonne carbon price