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 6.09
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -6.25 -0.441 2.76
Fertility Sub Index 0.23
Calving Interval (days) -0.26 -1.459 0.38
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.21
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 6.94

* Based on an €80/tonne carbon price