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 6.55
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -9.37 -0.375 3.51
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 3.12
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 0.53 1.117 0.59
Calving Sub Index 0.09
Gestation Length (days) -0.10 -0.919 0.09
Beef Sub Index 0.36
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 10.15

* Based on an €80/tonne carbon price