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 3.42
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -2.74 -0.375 1.03
Prot (kg) -4.97 -0.441 2.19
Fertility Sub Index 1.07
Calving Interval (days) -0.93 -1.459 1.36
Survival (%) -0.26 1.117 -0.29
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.42
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 3.68 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 4.82

* Based on an €80/tonne carbon price