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 2.17
Milk (kg) -143.00 -0.014 2.00
Fat (kg) 2.57 -0.375 -0.96
Prot (kg) -2.56 -0.441 1.13
Fertility Sub Index 3.88
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 1.22
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 4.88 -0.432 -2.11
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 12.38

* Based on an €80/tonne carbon price