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 14.01
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -13.26 -0.375 4.97
Prot (kg) -10.55 -0.441 4.66
Fertility Sub Index 6.04
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 1.16 1.117 1.30
Calving Sub Index 1.46
Gestation Length (days) -1.59 -0.919 1.46
Beef Sub Index 0.14
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 26.11

* Based on an €80/tonne carbon price