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 5.36
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -5.59 -0.375 2.09
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 5.10
Calving Interval (days) -3.07 -1.459 4.48
Survival (%) 0.56 1.117 0.63
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.42
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 17.06

* Based on an €80/tonne carbon price