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 2.09
Milk (kg) -157.00 -0.014 2.20
Fat (kg) 3.29 -0.375 -1.23
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 3.68
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 1.14 1.117 1.27
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 0.30
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.97 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 11.10

* Based on an €80/tonne carbon price