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 2.17
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) -2.97 -0.375 1.11
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index -3.14
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 0.44
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index -0.19

* Based on an €80/tonne carbon price