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 -3.04
Milk (kg) -24.00 -0.014 0.34
Fat (kg) 5.15 -0.375 -1.93
Prot (kg) 3.28 -0.441 -1.45
Fertility Sub Index -9.99
Calving Interval (days) 5.05 -1.459 -7.37
Survival (%) -2.35 1.117 -2.63
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index -0.36
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 4.13 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index -12.18

* Based on an €80/tonne carbon price