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 0.33
Milk (kg) -109.00 -0.014 1.53
Fat (kg) 3.30 -0.375 -1.24
Prot (kg) -0.10 -0.441 0.04
Fertility Sub Index -0.64
Calving Interval (days) 0.30 -1.459 -0.44
Survival (%) -0.18 1.117 -0.20
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index -0.89
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 1.99

* Based on an €80/tonne carbon price