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 15.27
Milk (kg) -270.00 -0.014 3.78
Fat (kg) -16.20 -0.375 6.07
Prot (kg) -12.29 -0.441 5.42
Fertility Sub Index 8.07
Calving Interval (days) -4.63 -1.459 6.76
Survival (%) 1.18 1.117 1.32
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 1.65
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 28.41

* Based on an €80/tonne carbon price