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 6.53
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -8.06 -0.375 3.02
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 6.31
Calving Interval (days) -3.22 -1.459 4.70
Survival (%) 1.44 1.117 1.61
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index -3.67
Carcass Weight (kg) 7.40 -0.528 -3.90
Age of Slaughter (days) -0.53 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 8.38

* Based on an €80/tonne carbon price