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 2.61
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -4.50 -0.375 1.69
Prot (kg) 0.80 -0.441 -0.35
Fertility Sub Index 5.57
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 2.96 1.117 3.31
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 5.15
Carcass Weight (kg) -10.00 -0.528 5.28
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 12.26
Live WT (kg) -40.00 -0.307 12.26
Total Carbon Sub Index 25.11

* Based on an €80/tonne carbon price