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 3.72
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -0.74 -0.375 0.28
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index 8.04
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 2.05 1.117 2.29
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.25
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -0.08 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 22.06

* Based on an €80/tonne carbon price