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 6.52
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -2.82 -0.375 1.06
Prot (kg) -7.58 -0.441 3.35
Fertility Sub Index 2.86
Calving Interval (days) -1.49 -1.459 2.17
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index 0.55
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 15.25

* Based on an €80/tonne carbon price