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 11.13
Milk (kg) -204.00 -0.014 2.86
Fat (kg) -8.82 -0.375 3.30
Prot (kg) -11.27 -0.441 4.97
Fertility Sub Index -6.10
Calving Interval (days) 2.12 -1.459 -3.09
Survival (%) -2.69 1.117 -3.01
Calving Sub Index 0.88
Gestation Length (days) -0.96 -0.919 0.88
Beef Sub Index 0.08
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index -1.78
Live WT (kg) 5.80 -0.307 -1.78
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price