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 2.35
Milk (kg) -172.00 -0.014 2.41
Fat (kg) 2.10 -0.375 -0.79
Prot (kg) -1.64 -0.441 0.72
Fertility Sub Index 4.50
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) -0.09 1.117 -0.10
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 3.35
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) -1.52 -0.432 0.66
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 19.16

* Based on an €80/tonne carbon price