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 -4.91
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 8.95 -0.375 -3.35
Prot (kg) 3.25 -0.441 -1.43
Fertility Sub Index 6.32
Calving Interval (days) -3.63 -1.459 5.30
Survival (%) 0.92 1.117 1.03
Calving Sub Index 2.10
Gestation Length (days) -2.29 -0.919 2.10
Beef Sub Index -0.17
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 5.17 -0.432 -2.23
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 4.97

* Based on an €80/tonne carbon price