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 5.23
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -6.59 -0.375 2.47
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 5.96
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 0.95 1.117 1.06
Calving Sub Index 2.21
Gestation Length (days) -2.40 -0.919 2.21
Beef Sub Index -0.64
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) -0.84 -0.432 0.36
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 11.38

* Based on an €80/tonne carbon price