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 7.05
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -4.13 -0.375 1.55
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index 4.90
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 0.99 1.117 1.11
Calving Sub Index 2.09
Gestation Length (days) -2.27 -0.919 2.09
Beef Sub Index 4.28
Carcass Weight (kg) -8.90 -0.528 4.69
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 21.50

* Based on an €80/tonne carbon price