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 12.42
Milk (kg) -270.00 -0.014 3.78
Fat (kg) -9.55 -0.375 3.58
Prot (kg) -11.46 -0.441 5.06
Fertility Sub Index 9.13
Calving Interval (days) -5.51 -1.459 8.04
Survival (%) 0.98 1.117 1.09
Calving Sub Index 1.76
Gestation Length (days) -1.92 -0.919 1.76
Beef Sub Index -0.05
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index -3.68
Live WT (kg) 12.00 -0.307 -3.68
Total Carbon Sub Index 19.58

* Based on an €80/tonne carbon price