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 0.64
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) 0.95 -0.375 -0.36
Prot (kg) -3.06 -0.441 1.35
Fertility Sub Index -6.02
Calving Interval (days) 3.29 -1.459 -4.80
Survival (%) -1.09 1.117 -1.22
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index -0.42
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.65 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -4.52

* Based on an €80/tonne carbon price