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 9.63
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -8.88 -0.375 3.33
Prot (kg) -8.64 -0.441 3.81
Fertility Sub Index 7.72
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 1.36 1.117 1.52
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.05
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) -0.49 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 18.36

* Based on an €80/tonne carbon price