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 4.27
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -3.37 -0.375 1.26
Prot (kg) -2.19 -0.441 0.97
Fertility Sub Index -6.19
Calving Interval (days) 3.43 -1.459 -5.00
Survival (%) -1.06 1.117 -1.18
Calving Sub Index 2.16
Gestation Length (days) -2.35 -0.919 2.16
Beef Sub Index -2.63
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 4.88 -0.432 -2.11
Maintenance Sub Index Maint. Sub Index -5.64
Live WT (kg) 18.40 -0.307 -5.64
Total Carbon Sub Index -8.03

* Based on an €80/tonne carbon price