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 3.70
Milk (kg) -244.00 -0.014 3.42
Fat (kg) 2.75 -0.375 -1.03
Prot (kg) -2.97 -0.441 1.31
Fertility Sub Index -2.22
Calving Interval (days) 1.13 -1.459 -1.65
Survival (%) -0.51 1.117 -0.57
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 1.49
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) -2.84 -0.432 1.23
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 2.60

* Based on an €80/tonne carbon price