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 10.45
Milk (kg) -328.00 -0.014 4.59
Fat (kg) -9.00 -0.375 3.37
Prot (kg) -5.64 -0.441 2.49
Fertility Sub Index 3.53
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 1.83 1.117 2.04
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index 1.40
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.19 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price