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 4.16
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -5.64 -0.375 2.11
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 6.53
Calving Interval (days) -3.12 -1.459 4.55
Survival (%) 1.77 1.117 1.98
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -3.30
Carcass Weight (kg) 5.80 -0.528 -3.06
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 6.49

* Based on an €80/tonne carbon price