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 2.88
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) -3.02 -0.375 1.13
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index -9.19
Calving Interval (days) 4.44 -1.459 -6.48
Survival (%) -2.43 1.117 -2.71
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index -0.12
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index -1.29
Live WT (kg) 4.20 -0.307 -1.29
Total Carbon Sub Index -7.45

* Based on an €80/tonne carbon price