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 6.09
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -8.64 -0.375 3.24
Prot (kg) -4.59 -0.441 2.03
Fertility Sub Index 7.03
Calving Interval (days) -4.57 -1.459 6.67
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.53
Gestation Length (days) 0.58 -0.919 -0.53
Beef Sub Index -1.06
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 14.07

* Based on an €80/tonne carbon price