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 0.29
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -2.82 -0.375 1.06
Prot (kg) 1.98 -0.441 -0.87
Fertility Sub Index -1.05
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) -0.48 1.117 -0.54
Calving Sub Index -2.10
Gestation Length (days) 2.28 -0.919 -2.10
Beef Sub Index -2.76
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -4.36

* Based on an €80/tonne carbon price