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 5.13
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 10.03
Calving Interval (days) -5.48 -1.459 8.00
Survival (%) 1.82 1.117 2.03
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.22
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.33 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 22.17

* Based on an €80/tonne carbon price