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 7.52
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -5.93 -0.375 2.22
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 7.34
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) 0.84 1.117 0.94
Calving Sub Index 1.07
Gestation Length (days) -1.16 -0.919 1.07
Beef Sub Index 3.36
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) 0.15 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 23.32

* Based on an €80/tonne carbon price