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 -0.15
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) 4.95 -0.375 -1.85
Prot (kg) -4.22 -0.441 1.86
Fertility Sub Index -3.61
Calving Interval (days) 1.53 -1.459 -2.23
Survival (%) -1.23 1.117 -1.37
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -0.56
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -4.53

* Based on an €80/tonne carbon price