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 0.38
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -0.42 -0.375 0.16
Prot (kg) -0.19 -0.441 0.08
Fertility Sub Index 6.10
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 1.75 1.117 1.96
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.84
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.71 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 17.06

* Based on an €80/tonne carbon price