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 0.27
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -0.13 -0.375 0.05
Prot (kg) -0.37 -0.441 0.16
Fertility Sub Index 2.77
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.60
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 7.17

* Based on an €80/tonne carbon price