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 4.37
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -1.54 -0.375 0.58
Prot (kg) -5.46 -0.441 2.41
Fertility Sub Index -1.09
Calving Interval (days) 1.11 -1.459 -1.62
Survival (%) 0.47 1.117 0.53
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index -0.76
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.60 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 3.53

* Based on an €80/tonne carbon price