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 4.53
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -8.07 -0.375 3.02
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index -2.11
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) -1.39 1.117 -1.55
Calving Sub Index 1.36
Gestation Length (days) -1.48 -0.919 1.36
Beef Sub Index 1.45
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 8.36

* Based on an €80/tonne carbon price