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 3.38
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -2.72 -0.375 1.02
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index 2.51
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.81 1.117 0.90
Calving Sub Index -0.05
Gestation Length (days) 0.05 -0.919 -0.05
Beef Sub Index -0.30
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index -4.38
Live WT (kg) 14.30 -0.307 -4.38
Total Carbon Sub Index 1.17

* Based on an €80/tonne carbon price