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 4.20
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -4.21 -0.375 1.58
Prot (kg) -3.73 -0.441 1.65
Fertility Sub Index 0.47
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.19
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 6.57

* Based on an €80/tonne carbon price