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 -3.31
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) 9.03 -0.375 -3.38
Prot (kg) -0.89 -0.441 0.39
Fertility Sub Index -2.71
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) -0.73 1.117 -0.82
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index 0.04
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index -7.95

* Based on an €80/tonne carbon price