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 8.03
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -6.35 -0.375 2.38
Prot (kg) -5.51 -0.441 2.43
Fertility Sub Index 6.69
Calving Interval (days) -4.00 -1.459 5.84
Survival (%) 0.76 1.117 0.85
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 0.12
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 17.58

* Based on an €80/tonne carbon price