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 5.18
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -4.83 -0.375 1.81
Prot (kg) -7.10 -0.441 3.13
Fertility Sub Index -0.07
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 1.14
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 6.63

* Based on an €80/tonne carbon price