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 3.92
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -6.84 -0.375 2.56
Prot (kg) -2.32 -0.441 1.02
Fertility Sub Index 14.03
Calving Interval (days) -5.97 -1.459 8.71
Survival (%) 4.76 1.117 5.32
Calving Sub Index 0.99
Gestation Length (days) -1.08 -0.919 0.99
Beef Sub Index 0.86
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 21.06

* Based on an €80/tonne carbon price