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 1.09
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -0.15 -0.441 0.07
Fertility Sub Index -2.68
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) -0.62 1.117 -0.69
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index -0.10
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 4.14 -0.432 -1.79
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index -1.10

* Based on an €80/tonne carbon price